HoldingsChannel.com
Funds Holding ONCE
HolderAmountPosition Size
($ in 1000's)
 As of
Vanguard Group Inc.3,177,757$325,338 06/30/2019
     ONCE3,177,757$325,338 06/30/2019
BlackRock Inc.2,756,280$282,188 06/30/2019
     ONCE2,756,280$282,188 06/30/2019
State Street Corp1,304,325$133,537 06/30/2019
     ONCE1,304,325$133,537 06/30/2019
Magnetar Financial LLC885,199$90,627 06/30/2019
     ONCE885,199$90,627 06/30/2019
Casdin Capital LLC884,800$90,586 06/30/2019
     ONCE884,800$90,586 06/30/2019
Alpine Associates Management Inc.784,100$80,277 06/30/2019
     ONCE784,100$80,277 06/30/2019
Paulson & CO. Inc.757,807$77,584 06/30/2019
     ONCE757,807$77,584 06/30/2019
Baker BROS. Advisors LP751,927$76,982 06/30/2019
     ONCE751,927$76,982 06/30/2019
Pentwater Capital Management LP $76,273 06/30/2019
     ONCE780,000$79,856 06/30/2019
     Put60,000$6,143 06/30/2019
     Call25,000$2,560 06/30/2019
CNH Partners LLC726,169$74,345 06/30/2019
     ONCE726,169$74,345 06/30/2019
Price T Rowe Associates Inc. MD694,696$71,123 06/30/2019
     ONCE694,696$71,123 06/30/2019
JPMorgan Chase & Co.683,015$69,790 06/30/2019
     ONCE683,015$69,790 06/30/2019
Millennium Management LLC662,849$67,862 06/30/2019
     ONCE662,849$67,862 06/30/2019
Citadel Advisors LLC $64,118 06/30/2019
     ONCE632,176$64,722 06/30/2019
     Put10,500$1,075 06/30/2019
     Call4,600$471 06/30/2019
Gabelli Funds LLC622,467$63,728 06/30/2019
     ONCE622,467$63,728 06/30/2019
EcoR1 Capital LLC614,128$62,874 06/30/2019
     ONCE614,128$62,874 06/30/2019
Boxer Capital LLC600,000$61,428 06/30/2019
     ONCE600,000$61,428 06/30/2019
TIG Advisors LLC598,756$61,301 06/30/2019
     ONCE598,756$61,301 06/30/2019
Adage Capital Partners GP L.L.C.584,332$59,824 06/30/2019
     ONCE584,332$59,824 06/30/2019
Goldman Sachs Group Inc.555,794$56,902 06/30/2019
     ONCE555,794$56,902 06/30/2019
D. E. Shaw & Co. Inc.520,600$53,299 06/30/2019
     ONCE520,600$53,299 06/30/2019
Rock Springs Capital Management LP505,371$51,740 06/30/2019
     ONCE505,371$51,740 06/30/2019
Sofinnova Investments Inc.481,270$49,272 06/30/2019
     ONCE481,270$49,272 06/30/2019
IndexIQ Advisors LLC449,485$46,018 06/30/2019
     ONCE449,485$46,018 06/30/2019
Geode Capital Management LLC446,369$45,699 06/30/2019
     ONCE446,369$45,699 06/30/2019
Sandell Asset Management Corp.428,310$43,850 06/30/2019
     ONCE428,310$43,850 06/30/2019
Northern Trust Corp408,962$41,868 06/30/2019
     ONCE408,962$41,868 06/30/2019
Renaissance Technologies LLC389,700$39,897 06/30/2019
     ONCE389,700$39,897 06/30/2019
Gardner Lewis Asset Management L P375,397$38,433 06/30/2019
     ONCE375,397$38,433 06/30/2019
LMR Partners LLP366,670$37,540 06/30/2019
     ONCE366,670$37,540 06/30/2019
Perceptive Advisors LLC350,000$35,833 06/30/2019
     ONCE350,000$35,833 06/30/2019
Twin Securities Inc.320,653$32,828 06/30/2019
     ONCE320,653$32,828 06/30/2019
Macquarie Group Ltd.312,492$31,993 06/30/2019
     ONCE312,492$31,993 06/30/2019
GABELLI & Co INVESTMENT ADVISERS INC.291,724$29,867 06/30/2019
     ONCE291,724$29,867 06/30/2019
Wellington Management Group LLP276,997$28,360 06/30/2019
     ONCE276,997$28,360 06/30/2019
Dimensional Fund Advisors LP270,788$27,723 06/30/2019
     ONCE270,788$27,723 06/30/2019
Carlson Capital L P245,000$25,083 06/30/2019
     ONCE245,000$25,083 06/30/2019
Deutsche Bank AG243,474$24,925 06/30/2019
     ONCE243,474$24,925 06/30/2019
Westchester Capital Management LLC242,879$24,866 06/30/2019
     ONCE242,879$24,866 06/30/2019
Capital World Investors238,020$24,368 06/30/2019
     ONCE238,020$24,368 06/30/2019
Allianz Asset Management GmbH237,791$24,345 06/30/2019
     ONCE237,791$24,345 06/30/2019
MUFG Securities EMEA plc231,400$23,691 06/30/2019
     ONCE231,400$23,691 06/30/2019
ARP Americas LP228,617$23,406 06/30/2019
     ONCE228,617$23,406 06/30/2019
Prelude Capital Management LLC $23,297 06/30/2019
     ONCE234,250$23,983 06/30/2019
     Put7,100$727 06/30/2019
     Call400$41 06/30/2019
Orbimed Advisors LLC219,900$22,513 06/30/2019
     ONCE219,900$22,513 06/30/2019
Water Island Capital LLC $21,601 06/30/2019
     Corporate Bond19,196,000$20,006 06/30/2019
     ONCE16,600$1,700 06/30/2019
     Put16,600$105 06/30/2019
Bank of America Corp DE $21,153 06/30/2019
     ONCE127,915$13,096 06/30/2019
     Call78,700$8,057 06/30/2019
Hsbc Holdings PLC204,319$20,919 06/30/2019
     ONCE204,319$20,919 06/30/2019
Charles Schwab Investment Management Inc.194,504$19,914 06/30/2019
     ONCE194,504$19,914 06/30/2019
Gamco Investors INC. ET AL190,251$19,478 06/30/2019
     ONCE190,251$19,478 06/30/2019
DLD Asset Management LP190,250$19,478 06/30/2019
     ONCE190,250$19,478 06/30/2019
Credit Suisse AG177,203$18,142 06/30/2019
     ONCE177,203$18,142 06/30/2019
Pinnacle Associates Ltd.171,985$17,608 06/30/2019
     ONCE171,985$17,608 06/30/2019
Bardin Hill Management Partners LP170,318$17,437 06/30/2019
     ONCE170,318$17,437 06/30/2019
Balyasny Asset Management LLC $17,436 06/30/2019
     Call100,000$10,507 06/30/2019
     ONCE67,675$6,929 06/30/2019
Stansberry Asset Management LLC167,605$17,159 06/30/2019
     ONCE167,605$17,159 06/30/2019
Nuveen Asset Management LLC159,689$16,349 06/30/2019
     ONCE159,689$16,349 06/30/2019
Partner Fund Management L.P.154,599$15,828 06/30/2019
     ONCE154,599$15,828 06/30/2019
Barclays PLC $15,266 06/30/2019
     ONCE145,411$14,887 06/30/2019
     Call3,700$379 06/30/2019
Alliancebernstein L.P.148,900$15,244 06/30/2019
     ONCE148,900$15,244 06/30/2019
Federated Investors Inc. PA145,000$14,845 06/30/2019
     ONCE145,000$14,845 06/30/2019
Bank of New York Mellon Corp144,492$14,793 06/30/2019
     ONCE144,492$14,793 06/30/2019
Citigroup Inc.139,018$14,233 06/30/2019
     ONCE139,018$14,233 06/30/2019
Spring Creek Capital LLC126,000$12,900 06/30/2019
     ONCE126,000$12,900 06/30/2019
Capstone Investment Advisors LLC $12,878 06/30/2019
     Call152,600$15,623 06/30/2019
     Put77,600$7,945 06/30/2019
     ONCE50,791$5,200 06/30/2019
Chicago Capital Management LLC121,000$12,388 06/30/2019
     ONCE121,000$12,388 06/30/2019
California State Teachers Retirement System114,631$11,736 06/30/2019
     ONCE114,631$11,736 06/30/2019
FNY Investment Advisers LLC113,330$11,602 06/30/2019
     ONCE113,330$11,602 06/30/2019
Man Group plc109,618$11,223 06/30/2019
     ONCE109,618$11,223 06/30/2019
Morgan Stanley105,989$10,851 06/30/2019
     ONCE105,989$10,851 06/30/2019
Natixis103,665$10,613 06/30/2019
     ONCE103,665$10,613 06/30/2019
State of Wisconsin Investment Board93,200$9,542 06/30/2019
     ONCE93,200$9,542 06/30/2019
Havens Advisors LLC81,300$7,884 09/30/2019
     ONCE81,300$7,884 09/30/2019
Swiss National Bank69,900$7,156 06/30/2019
     ONCE69,900$7,156 06/30/2019
Armistice Capital LLC68,000$6,962 06/30/2019
     ONCE68,000$6,962 06/30/2019
Caption Management LLC $6,859 06/30/2019
     ONCE78,000$7,985 06/30/2019
     Put61,000$6,245 06/30/2019
     Call50,000$5,119 06/30/2019
Invesco Ltd.65,390$6,695 06/30/2019
     ONCE65,390$6,695 06/30/2019
California Public Employees Retirement System60,782$6,223 06/30/2019
     ONCE60,782$6,223 06/30/2019
Yakira Capital Management Inc. $6,173 06/30/2019
     ONCE66,300$6,788 06/30/2019
     Put41,900$4,290 06/30/2019
     Call35,900$3,675 06/30/2019
One68 Global Capital LLC60,048$6,148 06/30/2019
     ONCE60,048$6,148 06/30/2019
Marshall Wace LLP58,939$6,034 06/30/2019
     ONCE58,939$6,034 06/30/2019
Elo Mutual Pension Insurance Co53,000$5,426 06/30/2019
     ONCE53,000$5,426 06/30/2019
Polar Asset Management Partners Inc.52,500$5,375 06/30/2019
     ONCE52,500$5,375 06/30/2019
Quinn Opportunity Partners LLC51,956$5,319 06/30/2019
     ONCE51,956$5,319 06/30/2019
Rafferty Asset Management LLC50,603$5,181 06/30/2019
     ONCE50,603$5,181 06/30/2019
Ghost Tree Capital LLC50,000$5,119 06/30/2019
     ONCE50,000$5,119 06/30/2019
Royal Bank of Canada49,719$5,090 06/30/2019
     ONCE49,719$5,090 06/30/2019
Rhumbline Advisers49,347$5,052 06/30/2019
     ONCE49,347$5,052 06/30/2019
BTG Pactual Global Asset Management Ltd42,000$4,300 06/30/2019
     ONCE42,000$4,300 06/30/2019
S. Muoio & CO. LLC39,000$3,993 06/30/2019
     ONCE39,000$3,993 06/30/2019
Vivaldi Asset Management LLC37,205$3,809 06/30/2019
     ONCE37,205$3,809 06/30/2019
Guggenheim Capital LLC35,843$3,670 06/30/2019
     ONCE35,843$3,670 06/30/2019
New York State Common Retirement Fund35,300$3,614 06/30/2019
     ONCE35,300$3,614 06/30/2019
Boothbay Fund Management LLC $3,426 06/30/2019
     ONCE46,464$4,757 06/30/2019
     Put130$1,331 06/30/2019
UBS Group AG $3,406 06/30/2019
     ONCE33,975$3,478 06/30/2019
     Put700$72 06/30/2019
AQR Capital Management LLC32,848$3,363 06/30/2019
     ONCE32,848$3,363 06/30/2019
Principal Financial Group Inc.32,801$3,358 06/30/2019
     ONCE32,801$3,358 06/30/2019
UBS Asset Management Americas Inc.30,324$3,105 06/30/2019
     ONCE30,324$3,105 06/30/2019
Susquehanna International Group LLP29,421$3,012 06/30/2019
     ONCE29,421$3,012 06/30/2019
Mackay Shields LLC25,409$2,602 06/30/2019
     ONCE25,409$2,602 06/30/2019
Ontario Teachers Pension Plan Board25,000$2,560 06/30/2019
     ONCE25,000$2,560 06/30/2019
Motley Fool Asset Management LLC23,786$2,435 06/30/2019
     ONCE23,786$2,435 06/30/2019
HighVista Strategies LLC23,271$2,382 06/30/2019
     ONCE23,271$2,382 06/30/2019
Russell Investments Group Ltd.22,980$2,352 06/30/2019
     ONCE22,980$2,352 06/30/2019
American International Group Inc.21,859$2,238 06/30/2019
     ONCE21,859$2,238 06/30/2019
Walleye Trading LLC $2,232 06/30/2019
     ONCE60,308$6,174 06/30/2019
     Put56,200$5,754 06/30/2019
     Call17,700$1,812 06/30/2019
Parametric Portfolio Associates LLC21,790$2,231 06/30/2019
     ONCE21,790$2,231 06/30/2019
CSS LLC IL $2,212 06/30/2019
     Call20,600$2,110 06/30/2019
     ONCE1,000$102 06/30/2019
The Manufacturers Life Insurance Company 21,452$2,196 06/30/2019
     ONCE21,452$2,196 06/30/2019
Athos Capital Ltd21,212$2,172 06/30/2019
     ONCE21,212$2,172 06/30/2019
Public Employees Retirement System of Ohio21,000$2,150 06/30/2019
     ONCE21,000$2,150 06/30/2019
BNP Paribas Arbitrage SA20,837$2,133 06/30/2019
     ONCE20,837$2,133 06/30/2019
Wells Fargo & Company MN20,225$2,071 06/30/2019
     ONCE20,225$2,071 06/30/2019
Jefferies Group LLC $2,070 06/30/2019
     Call27,500$2,815 06/30/2019
     Put12,500$1,280 06/30/2019
     ONCE5,221$535 06/30/2019
Quad Capital Management Advisors LLC19,922$2,040 06/30/2019
     ONCE19,922$2,040 06/30/2019
Syquant Capital Sas20,587$1,997 09/30/2019
     ONCE20,587$1,997 09/30/2019
Capital Fund Management S.A.17,314$1,773 06/30/2019
     ONCE17,314$1,773 06/30/2019
State Board of Administration of Florida Retirement System16,946$1,735 06/30/2019
     ONCE16,946$1,735 06/30/2019
Panagora Asset Management Inc.16,272$1,666 06/30/2019
     ONCE16,272$1,666 06/30/2019
QS Investors LLC15,300$1,567 06/30/2019
     ONCE15,300$1,567 06/30/2019
ProShare Advisors LLC15,265$1,563 06/30/2019
     ONCE15,265$1,563 06/30/2019
Legal & General Group Plc14,939$1,529 06/30/2019
     ONCE14,939$1,529 06/30/2019
MetLife Investment Management LLC14,454$1,480 06/30/2019
     ONCE14,454$1,480 06/30/2019
Fairfax Financial Holdings Ltd Can11,600$1,188 06/30/2019
     ONCE11,600$1,188 06/30/2019
Metropolitan Life Insurance Co NY10,207$1,045 06/30/2019
     ONCE10,207$1,045 06/30/2019
DekaBank Deutsche Girozentrale10,164$1,039 06/30/2019
     ONCE10,164$1,039 06/30/2019
Wolverine Asset Management LLC10,037$1,027 06/30/2019
     ONCE10,037$1,027 06/30/2019
Lombard Odier Asset Management USA Corp10,000$1,024 06/30/2019
     ONCE10,000$1,024 06/30/2019
Opus Point Partners Management LLC9,699$993 06/30/2019
     ONCE9,699$993 06/30/2019
Glenmede Trust Co. NA9,000$921 06/30/2019
     ONCE9,000$921 06/30/2019
Harvest Management LLC9,000$921 06/30/2019
     ONCE9,000$921 06/30/2019
Kellner Capital LLC9,000$921 06/30/2019
     ONCE9,000$921 06/30/2019
Chicago Equity Partners LLC8,930$914 06/30/2019
     ONCE8,930$914 06/30/2019
Ameriprise Financial Inc. $865 06/30/2019
     ONCE9,239$947 06/30/2019
     Put800$82 06/30/2019
Bank of Montreal Can7,976$817 06/30/2019
     ONCE7,976$817 06/30/2019
K2 Principal Fund L.P. $809 06/30/2019
     Call7,900$809 06/30/2019
Aperio Group LLC7,662$784 06/30/2019
     ONCE7,662$784 06/30/2019
Laurion Capital Management LP7,300$747 06/30/2019
     ONCE7,300$747 06/30/2019
Amalgamated Bank6,158$630 06/30/2019
     ONCE6,158$630 06/30/2019
Xact Kapitalforvaltning AB5,844$598 06/30/2019
     ONCE5,844$598 06/30/2019
Philadelphia Trust Co.5,800$594 06/30/2019
     ONCE5,800$594 06/30/2019
United Services Automobile Association5,529$566 06/30/2019
     ONCE5,529$566 06/30/2019
SG Americas Securities LLC5,269$539 06/30/2019
     ONCE5,269$539 06/30/2019
AMG National Trust Bank5,000$512 06/30/2019
     ONCE5,000$512 06/30/2019
Nomura Holdings Inc. $481 06/30/2019
     ONCE5,000$512 06/30/2019
     Put300$31 06/30/2019
Cutler Group LP $479 06/30/2019
     ONCE5,100$522 06/30/2019
     Put5,500$54 06/30/2019
     Call3,700$11 06/30/2019
Bluefin Trading LLC $435 06/30/2019
     ONCE2,994$307 06/30/2019
     Call43,100$128 06/30/2019
Great West Life Assurance Co. Can4,069$416 06/30/2019
     ONCE4,069$416 06/30/2019
NJ State Employees Deferred Compensation Plan4,000$388 09/30/2019
     ONCE4,000$388 09/30/2019
HAP Trading LLC $382 06/30/2019
     Call71,500$450 06/30/2019
     Put45,000$68 06/30/2019
Strs Ohio3,900$378 09/30/2019
     ONCE3,900$378 09/30/2019
Public Employees Retirement Association of Colorado3,543$363 06/30/2019
     ONCE3,543$363 06/30/2019
Shell Asset Management Co.3,513$360 06/30/2019
     ONCE3,513$360 06/30/2019
Prudential Financial Inc.3,430$351 06/30/2019
     ONCE3,430$351 06/30/2019
Mint Tower Capital Management B.V.3,000$307 06/30/2019
     ONCE3,000$307 06/30/2019
Ameritas Investment Partners Inc.2,928$300 06/30/2019
     ONCE2,928$300 06/30/2019
Teachers Retirement System of The State of Kentucky2,912$298 06/30/2019
     ONCE2,912$298 06/30/2019
Blueshift Asset Management LLC2,555$262 06/30/2019
     ONCE2,555$262 06/30/2019
Mirae Asset Global Investments Co. Ltd.2,342$240 06/30/2019
     ONCE2,342$240 06/30/2019
Baird Financial Group Inc.2,301$236 06/30/2019
     ONCE2,301$236 06/30/2019
Arrowgrass Capital Partners US LP2,255$231 06/30/2019
     ONCE2,255$231 06/30/2019
Exane Asset Management2,253$231 06/30/2019
     ONCE2,253$231 06/30/2019
Raymond James Financial Services Advisors Inc.2,143$219 06/30/2019
     ONCE2,143$219 06/30/2019
Longfellow Investment Management Co. LLC2,083$213 06/30/2019
     ONCE2,083$213 06/30/2019
Ancora Advisors LLC2,000$205 06/30/2019
     ONCE2,000$205 06/30/2019
Janney Montgomery Scott LLC1,975$202 06/30/2019
     ONCE1,975$202 06/30/2019
Zurcher Kantonalbank Zurich Cantonalbank 1,990$193 09/30/2019
     ONCE1,990$193 09/30/2019
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.1,116$114 06/30/2019
     ONCE1,116$114 06/30/2019
Nisa Investment Advisors LLC1,165$113 09/30/2019
     ONCE1,165$113 09/30/2019
CSat Investment Advisory L.P.1,105$113 06/30/2019
     ONCE1,105$113 06/30/2019
Partner Investment Management L.P.948$97 06/30/2019
     ONCE948$97 06/30/2019
Sterling Investment Advisors Ltd.600$58 09/30/2019
     ONCE600$58 09/30/2019
Ladenburg Thalmann Financial Services Inc.562$57 06/30/2019
     ONCE562$57 06/30/2019
PNC Financial Services Group Inc.400$41 06/30/2019
     ONCE400$41 06/30/2019
First Mercantile Trust Co.385$39 06/30/2019
     ONCE385$39 06/30/2019
Daiwa Securities Group Inc.241$25 06/30/2019
     ONCE241$25 06/30/2019
TCG Advisors LP215$22 06/30/2019
     ONCE215$22 06/30/2019
Proficio Capital Partners LLC95$10 06/30/2019
     ONCE95$10 06/30/2019
Hall Laurie J Trustee70$7 06/30/2019
     ONCE70$7 06/30/2019
Candriam Luxembourg S.C.A.65,916$6 09/30/2019
     ONCE65,916$6 09/30/2019
Winslow Evans & Crocker Inc.60$6 09/30/2019
     ONCE60$6 09/30/2019
Exane Derivatives20$2 09/30/2019
     ONCE20$2 09/30/2019
Quantbot Technologies LP20$2 06/30/2019
     ONCE20$2 06/30/2019
Tower Research Capital LLC TRC 19$2 06/30/2019
     ONCE19$2 06/30/2019
Proequities Inc. $0 06/30/2019
     Put0$0 06/30/2019
     Call0$0 06/30/2019
     ONCE0$0 06/30/2019
ARK Investment Management LLC0$0 06/30/2019
     ONCE0$0 06/30/2019
Cowen Inc. $-154 06/30/2019
     Put134,600$167 06/30/2019
     Call4,000$13 06/30/2019
Group One Trading L.P.65,408$-7,565 06/30/2019
     Put273,200$27,970 06/30/2019
     Call133,900$13,709 06/30/2019
     ONCE65,408$6,696 06/30/2019

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

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