HoldingsChannel.com
Funds Holding PRTA

On this page, we present all of the funds holding PRTA from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding PRTA, with a link to that fund's top holdings. The next columns indicate the amount of PRTA stock held by each of the funds holding PRTA, followed by the PRTA position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 194 funds holding PRTA within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by EcoR1 Capital LLC. For more details on the positions held by EcoR1 Capital LLC (or by any of the other funds holding PRTA), click the fund name in the "Holder" column of the funds-holding-PRTA table below.

HolderAmountPosition Size
($ in 1000's)
 As of
EcoR1 Capital LLC11,584,280$561,490 03/31/2023
     PRTA11,584,280$561,490 03/31/2023
FMR LLC6,762,025$327,755 03/31/2023
     PRTA6,762,025$327,755 03/31/2023
BlackRock Inc.3,624,627$175,686 03/31/2023
     PRTA3,624,627$175,686 03/31/2023
Price T Rowe Associates Inc. MD3,202,293$155,216 03/31/2023
     PRTA3,202,293$155,216 03/31/2023
Wellington Management Group LLP2,266,078$109,837 03/31/2023
     PRTA2,266,078$109,837 03/31/2023
State Street Corp2,102,458$101,905 03/31/2023
     PRTA2,102,458$101,905 03/31/2023
Palo Alto Investors LP1,663,777$80,643 03/31/2023
     PRTA1,663,777$80,643 03/31/2023
Janus Henderson Group PLC1,596,303$77,364 03/31/2023
     PRTA1,596,303$77,364 03/31/2023
First Light Asset Management LLC1,511,168$73,246 03/31/2023
     PRTA1,511,168$73,246 03/31/2023
Dimensional Fund Advisors LP1,232,635$59,745 03/31/2023
     PRTA1,232,635$59,745 03/31/2023
Avidity Partners Management LP1,068,200$51,776 03/31/2023
     PRTA1,068,200$51,776 03/31/2023
Vanguard Group Inc.944,556$45,783 03/31/2023
     PRTA944,556$45,783 03/31/2023
T. Rowe Price Investment Management Inc.914,683$44,335 03/31/2023
     PRTA914,683$44,335 03/31/2023
Geode Capital Management LLC779,824$37,798 03/31/2023
     PRTA779,824$37,798 03/31/2023
PFM Health Sciences LP774,546$37,542 03/31/2023
     PRTA774,546$37,542 03/31/2023
Rock Springs Capital Management LP753,462$36,520 03/31/2023
     PRTA753,462$36,520 03/31/2023
Bank of America Corp DE564,441$27,358 03/31/2023
     PRTA564,441$27,358 03/31/2023
Nuveen Asset Management LLC506,728$24,562 03/31/2023
     PRTA506,728$24,562 03/31/2023
Prosight Management LP447,092$21,671 03/31/2023
     PRTA447,092$21,671 03/31/2023
Eventide Asset Management LLC438,732$21,265 03/31/2023
     PRTA438,732$21,265 03/31/2023
Renaissance Technologies LLC407,300$19,742 03/31/2023
     PRTA407,300$19,742 03/31/2023
Northern Trust Corp382,688$18,549 03/31/2023
     PRTA382,688$18,549 03/31/2023
Two Sigma Advisers LP381,300$18,482 03/31/2023
     PRTA381,300$18,482 03/31/2023
Two Sigma Investments LP365,539$17,718 03/31/2023
     PRTA365,539$17,718 03/31/2023
Point72 Asset Management L.P.334,993$16,237 03/31/2023
     PRTA334,993$16,237 03/31/2023
Finepoint Capital LP331,600$16,073 03/31/2023
     PRTA331,600$16,073 03/31/2023
JPMorgan Chase & Co.327,718$15,885 03/31/2023
     PRTA327,718$15,885 03/31/2023
Boxer Capital LLC300,000$14,541 03/31/2023
     PRTA300,000$14,541 03/31/2023
Charles Schwab Investment Management Inc.298,971$14,491 03/31/2023
     PRTA298,971$14,491 03/31/2023
Maple Rock Capital Partners Inc.293,584$14,230 03/31/2023
     PRTA293,584$14,230 03/31/2023
Morgan Stanley284,907$13,809 03/31/2023
     PRTA284,907$13,809 03/31/2023
Perceptive Advisors LLC237,646$11,519 03/31/2023
     PRTA237,646$11,519 03/31/2023
Granahan Investment Management Inc. MA232,628$11,275 03/31/2023
     PRTA232,628$11,275 03/31/2023
UBS Asset Management Americas Inc.226,202$10,964 03/31/2023
     PRTA226,202$10,964 03/31/2023
Goldman Sachs Group Inc.225,077$10,909 03/31/2023
     PRTA225,077$10,909 03/31/2023
Millennium Management LLC194,639$9,434 03/31/2023
     PRTA194,639$9,434 03/31/2023
Bank of New York Mellon Corp164,092$7,954 03/31/2023
     PRTA164,092$7,954 03/31/2023
Rafferty Asset Management LLC141,689$6,868 03/31/2023
     PRTA141,689$6,868 03/31/2023
Pinnacle Associates Ltd.135,281$6,557 03/31/2023
     PRTA135,281$6,557 03/31/2023
Susquehanna International Group LLP $6,529 03/31/2023
     Call89,100$4,319 03/31/2023
     PRTA61,391$2,976 03/31/2023
     Put15,800$766 03/31/2023
Birchview Capital LP128,395$6,223 03/31/2023
     PRTA128,395$6,223 03/31/2023
Frazier Life Sciences Management L.P.127,900$6,199 03/31/2023
     PRTA127,900$6,199 03/31/2023
Ensign Peak Advisors Inc125,622$6,089 03/31/2023
     PRTA125,622$6,089 03/31/2023
Sectoral Asset Management Inc122,750$5,950 03/31/2023
     PRTA122,750$5,950 03/31/2023
Man Group plc117,877$5,713 03/31/2023
     PRTA117,877$5,713 03/31/2023
Citigroup Inc.114,800$5,564 03/31/2023
     PRTA114,800$5,564 03/31/2023
SG Americas Securities LLC109,401$5,303 03/31/2023
     PRTA109,401$5,303 03/31/2023
Mariner LLC107,107$5,191 03/31/2023
     PRTA107,107$5,191 03/31/2023
Connor Clark & Lunn Investment Management Ltd.89,424$4,334 03/31/2023
     PRTA89,424$4,334 03/31/2023
DCF Advisers LLC84,250$4,084 03/31/2023
     PRTA84,250$4,084 03/31/2023
Squarepoint Ops LLC78,309$3,796 03/31/2023
     PRTA78,309$3,796 03/31/2023
TD Asset Management Inc.74,706$3,621 03/31/2023
     PRTA74,706$3,621 03/31/2023
Swiss National Bank73,100$3,543 03/31/2023
     PRTA73,100$3,543 03/31/2023
Hillsdale Investment Management Inc.65,000$3,151 03/31/2023
     PRTA65,000$3,151 03/31/2023
Barclays PLC64,604$3,131 03/31/2023
     PRTA64,604$3,131 03/31/2023
EAM Global Investors LLC63,120$3,059 03/31/2023
     PRTA63,120$3,059 03/31/2023
UBS Group AG61,643$2,988 03/31/2023
     PRTA61,643$2,988 03/31/2023
The Manufacturers Life Insurance Company 56,966$2,761 03/31/2023
     PRTA56,966$2,761 03/31/2023
BNP Paribas Arbitrage SA56,025$2,716 03/31/2023
     PRTA56,025$2,716 03/31/2023
Rhumbline Advisers55,844$2,707 03/31/2023
     PRTA55,844$2,707 03/31/2023
Principal Financial Group Inc.54,869$2,660 03/31/2023
     PRTA54,869$2,660 03/31/2023
RBF Capital LLC54,362$2,635 03/31/2023
     PRTA54,362$2,635 03/31/2023
Handelsbanken Fonder AB52,000$2,520 03/31/2023
     PRTA52,000$2,520 03/31/2023
Putnam Investments LLC50,905$2,467 03/31/2023
     PRTA50,905$2,467 03/31/2023
Citadel Advisors LLC $2,437 03/31/2023
     PRTA37,701$1,827 03/31/2023
     Call18,800$911 03/31/2023
     Put6,200$301 03/31/2023
Jennison Associates LLC49,233$2,386 03/31/2023
     PRTA49,233$2,386 03/31/2023
Atika Capital Management LLC48,578$2,355 03/31/2023
     PRTA48,578$2,355 03/31/2023
Wells Fargo & Company MN47,320$2,294 03/31/2023
     PRTA47,320$2,294 03/31/2023
Alliancebernstein L.P.44,866$2,175 03/31/2023
     PRTA44,866$2,175 03/31/2023
State of New Jersey Common Pension Fund D44,559$2,160 03/31/2023
     PRTA44,559$2,160 03/31/2023
California State Teachers Retirement System44,308$2,148 03/31/2023
     PRTA44,308$2,148 03/31/2023
Monarch Partners Asset Management LLC35,645$2,148 12/31/2022
     PRTA35,645$2,148 12/31/2022
Trexquant Investment LP42,200$2,045 03/31/2023
     PRTA42,200$2,045 03/31/2023
Credit Suisse AG41,715$2,022 03/31/2023
     PRTA41,715$2,022 03/31/2023
Platinum Investment Management Ltd.41,508$2,012 03/31/2023
     PRTA41,508$2,012 03/31/2023
Cubist Systematic Strategies LLC40,900$1,982 03/31/2023
     PRTA40,900$1,982 03/31/2023
Voya Investment Management LLC38,547$1,868 03/31/2023
     PRTA38,547$1,868 03/31/2023
Moody Aldrich Partners LLC37,761$1,830 03/31/2023
     PRTA37,761$1,830 03/31/2023
Legal & General Group Plc36,359$1,762 03/31/2023
     PRTA36,359$1,762 03/31/2023
Alps Advisors Inc.34,634$1,679 03/31/2023
     PRTA34,634$1,679 03/31/2023
Jump Financial LLC32,971$1,598 03/31/2023
     PRTA32,971$1,598 03/31/2023
New York State Common Retirement Fund31,575$1,530 03/31/2023
     PRTA31,575$1,530 03/31/2023
State of Wisconsin Investment Board31,189$1,512 03/31/2023
     PRTA31,189$1,512 03/31/2023
Thornburg Investment Management Inc.29,643$1,437 03/31/2023
     PRTA29,643$1,437 03/31/2023
Tudor Investment Corp Et Al29,008$1,406 03/31/2023
     PRTA29,008$1,406 03/31/2023
Macquarie Group Ltd.28,569$1,385 03/31/2023
     PRTA28,569$1,385 03/31/2023
Invesco Ltd.28,352$1,374 03/31/2023
     PRTA28,352$1,374 03/31/2023
Deutsche Bank AG27,351$1,326 03/31/2023
     PRTA27,351$1,326 03/31/2023
Ergoteles LLC26,911$1,304 03/31/2023
     PRTA26,911$1,304 03/31/2023
Jane Street Group LLC $1,303 03/31/2023
     PRTA19,393$940 03/31/2023
     Call13,400$649 03/31/2023
     Put5,900$286 03/31/2023
Canada Pension Plan Investment Board26,800$1,299 03/31/2023
     PRTA26,800$1,299 03/31/2023
Profund Advisors LLC26,531$1,286 03/31/2023
     PRTA26,531$1,286 03/31/2023
Edgewood Management LLC24,060$1,166 03/31/2023
     PRTA24,060$1,166 03/31/2023
Mirae Asset Global Investments Co. Ltd.23,818$1,154 03/31/2023
     PRTA23,818$1,154 03/31/2023
Fred Alger Management LLC21,319$1,033 03/31/2023
     PRTA21,319$1,033 03/31/2023
First Trust Advisors LP21,108$1,023 03/31/2023
     PRTA21,108$1,023 03/31/2023
GSA Capital Partners LLP20,861$1,011 03/31/2023
     PRTA20,861$1,011 03/31/2023
MetLife Investment Management LLC $996 03/31/2023
     SHS20,550$996 03/31/2023
Victory Capital Management Inc.19,611$951 03/31/2023
     PRTA19,611$951 03/31/2023
AXA S.A.18,952$919 03/31/2023
     PRTA18,952$919 03/31/2023
American International Group Inc.18,885$915 03/31/2023
     PRTA18,885$915 03/31/2023
Neo Ivy Capital Management15,120$911 12/31/2022
     PRTA15,120$911 12/31/2022
Prudential Financial Inc.17,961$871 03/31/2023
     PRTA17,961$871 03/31/2023
Guggenheim Capital LLC17,390$843 03/31/2023
     PRTA17,390$843 03/31/2023
HighVista Strategies LLC14,572$706 03/31/2023
     PRTA14,572$706 03/31/2023
Engineers Gate Manager LP14,421$699 03/31/2023
     PRTA14,421$699 03/31/2023
DekaBank Deutsche Girozentrale14,000$659 03/31/2023
     PRTA14,000$659 03/31/2023
Strs Ohio12,500$605 03/31/2023
     PRTA12,500$605 03/31/2023
Ameriprise Financial Inc.12,012$582 03/31/2023
     PRTA12,012$582 03/31/2023
Rockefeller Capital Management L.P.11,999$581 03/31/2023
     PRTA11,999$581 03/31/2023
State Board of Administration of Florida Retirement System11,286$547 03/31/2023
     PRTA11,286$547 03/31/2023
Harvest Investment Services LLC10,821$524 03/31/2023
     PRTA10,821$524 03/31/2023
Teacher Retirement System of Texas10,432$506 03/31/2023
     PRTA10,432$506 03/31/2023
Capula Management Ltd10,420$505 03/31/2023
     PRTA10,420$505 03/31/2023
Arizona State Retirement System9,812$476 03/31/2023
     PRTA9,812$476 03/31/2023
Royal Bank of Canada9,743$472 03/31/2023
     PRTA9,743$472 03/31/2023
Dynamic Technology Lab Private Ltd9,430$457 03/31/2023
     PRTA9,430$457 03/31/2023
ProShare Advisors LLC8,250$400 03/31/2023
     PRTA8,250$400 03/31/2023
Qube Research & Technologies Ltd8,238$399 03/31/2023
     PRTA8,238$399 03/31/2023
E Fund Management Co. Ltd.8,049$390 03/31/2023
     PRTA8,049$390 03/31/2023
US Bancorp DE7,910$383 03/31/2023
     PRTA7,910$383 03/31/2023
HighMark Wealth Management LLC7,352$356 03/31/2023
     PRTA7,352$356 03/31/2023
AQR Capital Management LLC7,291$353 03/31/2023
     PRTA7,291$353 03/31/2023
Oppenheimer & Co. Inc.7,270$352 03/31/2023
     PRTA7,270$352 03/31/2023
Advisory Research Inc.7,151$347 03/31/2023
     PRTA7,151$347 03/31/2023
Aquatic Capital Management LLC7,000$339 03/31/2023
     PRTA7,000$339 03/31/2023
Public Employees Retirement Association of Colorado6,552$318 03/31/2023
     PRTA6,552$318 03/31/2023
Aigen Investment Management LP6,503$315 03/31/2023
     PRTA6,503$315 03/31/2023
HRT Financial LP6,485$314 03/31/2023
     PRTA6,485$314 03/31/2023
Raymond James & Associates6,217$301 03/31/2023
     PRTA6,217$301 03/31/2023
Telemetry Investments L.L.C.5,000$301 12/31/2022
     PRTA5,000$301 12/31/2022
Snowden Capital Advisors LLC6,073$294 03/31/2023
     PRTA6,073$294 03/31/2023
Sei Investments Co.6,011$291 03/31/2023
     PRTA6,011$291 03/31/2023
Bayesian Capital Management LP5,917$287 03/31/2023
     PRTA5,917$287 03/31/2023
Zurcher Kantonalbank Zurich Cantonalbank 5,805$281 03/31/2023
     PRTA5,805$281 03/31/2023
NinePointTwo Capital5,738$278 03/31/2023
     PRTA5,738$278 03/31/2023
D. E. Shaw & Co. Inc.5,705$277 03/31/2023
     PRTA5,705$277 03/31/2023
Amalgamated Bank5,414$262 03/31/2023
     PRTA5,414$262 03/31/2023
Glenmede Trust Co. NA5,069$246 03/31/2023
     PRTA5,069$246 03/31/2023
Allspring Global Investments Holdings LLC5,026$244 03/31/2023
     PRTA5,026$244 03/31/2023
Brighton Jones LLC5,012$243 03/31/2023
     PRTA5,012$243 03/31/2023
Allianz Asset Management GmbH5,000$242 03/31/2023
     PRTA5,000$242 03/31/2023
Occudo Quantitative Strategies LP4,796$232 03/31/2023
     PRTA4,796$232 03/31/2023
Captrust Financial Advisors4,550$221 03/31/2023
     PRTA4,550$221 03/31/2023
Corton Capital Inc.4,402$213 03/31/2023
     PRTA4,402$213 03/31/2023
Ameritas Investment Partners Inc.3,142$152 03/31/2023
     PRTA3,142$152 03/31/2023
Amundi2,781$134 03/31/2023
     PRTA2,781$134 03/31/2023
Artal Group S.A.2,746$133 03/31/2023
     PRTA2,746$133 03/31/2023
Values First Advisors Inc.2,274$110 03/31/2023
     PRTA2,274$110 03/31/2023
Metropolitan Life Insurance Co NY $102 03/31/2023
     SHS2,114$102 03/31/2023
Tower Research Capital LLC TRC 1,803$88 03/31/2023
     PRTA1,803$88 03/31/2023
Virtus ETF Advisers LLC1,743$84 03/31/2023
     PRTA1,743$84 03/31/2023
Group One Trading L.P. $68 03/31/2023
     Call1,900$92 03/31/2023
     Put500$24 03/31/2023
Lazard Asset Management LLC1,228$59 03/31/2023
     PRTA1,228$59 03/31/2023
Federated Hermes Inc.1,006$49 03/31/2023
     PRTA1,006$49 03/31/2023
Nisa Investment Advisors LLC970$47 03/31/2023
     PRTA970$47 03/31/2023
Advisor Group Holdings Inc.820$40 03/31/2023
     PRTA820$40 03/31/2023
Point72 Middle East FZE755$37 03/31/2023
     PRTA755$37 03/31/2023
China Universal Asset Management Co. Ltd.712$35 03/31/2023
     PRTA712$35 03/31/2023
Cutler Group LP500$24 03/31/2023
     PRTA500$24 03/31/2023
The PNC Financial Services Group Inc.416$20 03/31/2023
     PRTA416$20 03/31/2023
First Manhattan Co.374$18 03/31/2023
     PRTA374$18 03/31/2023
Byrne Asset Management LLC320$16 03/31/2023
     PRTA320$16 03/31/2023
Signaturefd LLC295$14 03/31/2023
     PRTA295$14 03/31/2023
TCI Wealth Advisors Inc.227$11 03/31/2023
     PRTA227$11 03/31/2023
Asset Dedication LLC184$9 03/31/2023
     PRTA184$9 03/31/2023
Daiwa Securities Group Inc.195$9 03/31/2023
     PRTA195$9 03/31/2023
Sittner & Nelson LLC155$8 03/31/2023
     PRTA155$8 03/31/2023
131$8 12/31/2022
     PRTA131$8 12/31/2022
Albion Financial Group UT125$6 03/31/2023
     PRTA125$6 03/31/2023
Focused Wealth Management Inc129$6 03/31/2023
     PRTA129$6 03/31/2023
Harbor Investment Advisory LLC100$5 03/31/2023
     PRTA100$5 03/31/2023
Truvestments Capital LLC108$5 03/31/2023
     PRTA108$5 03/31/2023
Gould Capital LLC100$5 03/31/2023
     PRTA100$5 03/31/2023
Belpointe Asset Management LLC54$3 03/31/2023
     PRTA54$3 03/31/2023
CWM LLC36$2 03/31/2023
     PRTA36$2 03/31/2023
Blue Bell Private Wealth Management LLC12$1 03/31/2023
     PRTA12$1 03/31/2023
Allworth Financial LP23$1 03/31/2023
     PRTA23$1 03/31/2023
Quadrant Capital Group LLC19$1 03/31/2023
     PRTA19$1 03/31/2023
Lindbrook Capital LLC16$1 03/31/2023
     PRTA16$1 03/31/2023
Schubert & Co14$1 03/31/2023
     PRTA14$1 03/31/2023
CoreCap Advisors LLC23$1 12/31/2022
     PRTA23$1 12/31/2022
Huntington National Bank4$0 03/31/2023
     PRTA4$0 03/31/2023
Proequities Inc. $0 03/31/2023
     Put0$0 03/31/2023
     Call0$0 03/31/2023
     PRTA0$0 03/31/2023
Harbour Investments Inc.5$0 03/31/2023
     PRTA5$0 03/31/2023
Whittier Trust Co. of Nevada Inc.3$0 03/31/2023
     PRTA3$0 03/31/2023
Plante Moran Financial Advisors LLC9$0 03/31/2023
     PRTA9$0 03/31/2023
JFS Wealth Advisors LLC6$0 03/31/2023
     PRTA6$0 03/31/2023
Advisory Services Network LLC8$0 03/31/2023
     PRTA8$0 03/31/2023
Lowe Wealth Advisors LLC10$0 03/31/2023
     PRTA10$0 03/31/2023
Coastal Capital Group Inc.2$0 03/31/2023
     PRTA2$0 03/31/2023
Disciplined Investments LLC2$0 03/31/2023
     PRTA2$0 03/31/2023
Steward Financial Group LLC7$0 03/31/2023
     PRTA7$0 03/31/2023
Covestor Ltd3$0 03/31/2023
     PRTA3$0 03/31/2023
Walleye Trading LLC3,500$-1,430 03/31/2023
     Put40,000$1,939 03/31/2023
     PRTA6,988$339 03/31/2023
     Call3,500$170 03/31/2023

See Summary: Institutional Holders of PRTA
See Details: Top 10 Hedge Funds Holding PRTA
Also See: PRTA Insider Buying
Also See: PRTA Holdings Changes

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