On this page, we present all of the funds holding GBIO from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding GBIO, with a link to that fund's top holdings. The next columns indicate the amount of GBIO stock held by each of the funds holding GBIO, followed by the GBIO position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 78 funds holding GBIO within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Atlas Venture Life Science Advisors LLC. For more details on the positions held by Atlas Venture Life Science Advisors LLC (or by any of the other funds holding GBIO), click the fund name in the "Holder" column of the funds-holding-GBIO table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Atlas Venture Life Science Advisors LLC	8,279,484	$13,661	12/31/2023
GBIO	8,279,484	$13,661	12/31/2023
Price T Rowe Associates Inc. MD	6,926,174	$11,429	12/31/2023
GBIO	6,926,174	$11,429	12/31/2023
FMR LLC	5,352,399	$8,831	12/31/2023
GBIO	5,352,399	$8,831	12/31/2023
Bellevue Group AG	3,617,080	$5,968	12/31/2023
GBIO	3,617,080	$5,968	12/31/2023
BlackRock Inc.	3,168,415	$5,228	12/31/2023
GBIO	3,168,415	$5,228	12/31/2023
Artal Group S.A.	2,814,191	$4,643	12/31/2023
GBIO	2,814,191	$4,643	12/31/2023
Vanguard Group Inc.	2,552,251	$4,211	12/31/2023
GBIO	2,552,251	$4,211	12/31/2023
Bank of America Corp DE	2,527,862	$4,171	12/31/2023
GBIO	2,527,862	$4,171	12/31/2023
EcoR1 Capital LLC	2,046,867	$3,377	12/31/2023
GBIO	2,046,867	$3,377	12/31/2023
PFM Health Sciences LP	1,622,487	$2,677	12/31/2023
GBIO	1,622,487	$2,677	12/31/2023
Deutsche Bank AG	1,232,316	$2,033	12/31/2023
GBIO	1,232,316	$2,033	12/31/2023
Goldman Sachs Group Inc.	1,159,506	$1,913	12/31/2023
GBIO	1,159,506	$1,913	12/31/2023
Geode Capital Management LLC	1,077,963	$1,779	12/31/2023
GBIO	1,077,963	$1,779	12/31/2023
Morgan Stanley	1,064,064	$1,756	12/31/2023
GBIO	1,064,064	$1,756	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	381,661	$1,553	03/31/2024
GBIO	381,661	$1,553	03/31/2024
State Street Corp	921,987	$1,521	12/31/2023
GBIO	921,987	$1,521	12/31/2023
UBS Group AG	867,399	$1,431	12/31/2023
GBIO	867,399	$1,431	12/31/2023
Millennium Management LLC	752,745	$1,242	12/31/2023
GBIO	752,745	$1,242	12/31/2023
Renaissance Technologies LLC	689,400	$1,138	12/31/2023
GBIO	689,400	$1,138	12/31/2023
Dimensional Fund Advisors LP	683,100	$1,128	12/31/2023
GBIO	683,100	$1,128	12/31/2023
Charles Schwab Investment Management Inc.	381,480	$629	12/31/2023
GBIO	381,480	$629	12/31/2023
Northern Trust Corp	373,085	$616	12/31/2023
GBIO	373,085	$616	12/31/2023
TD Asset Management Inc.	340,686	$562	12/31/2023
GBIO	340,686	$562	12/31/2023
Two Sigma Investments LP	317,077	$523	12/31/2023
GBIO	317,077	$523	12/31/2023
JPMorgan Chase & Co.	285,886	$472	12/31/2023
GBIO	285,886	$472	12/31/2023
D. E. Shaw & Co. Inc.	283,108	$467	12/31/2023
GBIO	283,108	$467	12/31/2023
Bridgeway Capital Management Inc.	243,000	$401	12/31/2023
GBIO	243,000	$401	12/31/2023
Nuveen Asset Management LLC	228,945	$378	12/31/2023
GBIO	228,945	$378	12/31/2023
Acadian Asset Management LLC	224,367	$368	12/31/2023
GBIO	224,367	$368	12/31/2023
Two Sigma Advisers LP	212,400	$350	12/31/2023
GBIO	212,400	$350	12/31/2023
Bank of New York Mellon Corp	159,537	$263	12/31/2023
GBIO	159,537	$263	12/31/2023
XTX Topco Ltd	146,403	$242	12/31/2023
GBIO	146,403	$242	12/31/2023
The Manufacturers Life Insurance Company	144,319	$238	12/31/2023
GBIO	144,319	$238	12/31/2023
GSA Capital Partners LLP	130,070	$215	12/31/2023
GBIO	130,070	$215	12/31/2023
Citadel Advisors LLC		$213	12/31/2023
GBIO	126,180	$208	12/31/2023
Call	3,000	$5	12/31/2023
Marshall Wace LLP	123,587	$204	12/31/2023
GBIO	123,587	$204	12/31/2023
Squarepoint Ops LLC	110,232	$182	12/31/2023
GBIO	110,232	$182	12/31/2023
Jane Street Group LLC	107,028	$177	12/31/2023
GBIO	107,028	$177	12/31/2023
Jacobs Levy Equity Management Inc.	88,535	$146	12/31/2023
GBIO	88,535	$146	12/31/2023
Weiss Asset Management LP	81,630	$135	12/31/2023
GBIO	81,630	$135	12/31/2023
Invesco Ltd.	78,145	$129	12/31/2023
GBIO	78,145	$129	12/31/2023
Rhumbline Advisers	71,869	$119	12/31/2023
GBIO	71,869	$119	12/31/2023
Barclays PLC	67,861	$112	12/31/2023
GBIO	67,861	$112	12/31/2023
Alliancebernstein L.P.	65,285	$108	12/31/2023
GBIO	65,285	$108	12/31/2023
SG Americas Securities LLC	48,470	$80	12/31/2023
GBIO	48,470	$80	12/31/2023
Susquehanna International Group LLP	40,748	$67	12/31/2023
GBIO	40,748	$67	12/31/2023
Engineers Gate Manager LP	40,121	$66	12/31/2023
GBIO	40,121	$66	12/31/2023
Cornercap Investment Counsel Inc.	38,458	$63	12/31/2023
GBIO	38,458	$63	12/31/2023
State of Wisconsin Investment Board	36,900	$61	12/31/2023
GBIO	36,900	$61	12/31/2023
Kestra Private Wealth Services LLC	30,500	$50	12/31/2023
GBIO	30,500	$50	12/31/2023
Panagora Asset Management Inc.	29,638	$49	12/31/2023
GBIO	29,638	$49	12/31/2023
Point72 Middle East FZE	29,338	$48	12/31/2023
GBIO	29,338	$48	12/31/2023
Prudential Financial Inc.	28,375	$47	12/31/2023
GBIO	28,375	$47	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	28,517	$47	12/31/2023
GBIO	28,517	$47	12/31/2023
American International Group Inc.	22,508	$37	12/31/2023
GBIO	22,508	$37	12/31/2023
Royal Bank of Canada	20,076	$33	12/31/2023
GBIO	20,076	$33	12/31/2023
Voya Investment Management LLC	18,902	$31	12/31/2023
GBIO	18,902	$31	12/31/2023
Wells Fargo & Company MN	18,318	$30	12/31/2023
GBIO	18,318	$30	12/31/2023
Envestnet Asset Management Inc.	17,917	$30	12/31/2023
GBIO	17,917	$30	12/31/2023
Advisor Group Holdings Inc.	17,917	$30	12/31/2023
GBIO	17,917	$30	12/31/2023
Cubist Systematic Strategies LLC	16,477	$27	12/31/2023
GBIO	16,477	$27	12/31/2023
State Board of Administration of Florida Retirement System	13,030	$22	12/31/2023
GBIO	13,030	$22	12/31/2023
Simplex Trading LLC	12,816	$21	12/31/2023
GBIO	12,816	$21	12/31/2023
Tower Research Capital LLC TRC	8,718	$14	12/31/2023
GBIO	8,718	$14	12/31/2023
California State Teachers Retirement System	7,454	$12	12/31/2023
GBIO	7,454	$12	12/31/2023
Citigroup Inc.	6,471	$11	12/31/2023
GBIO	6,471	$11	12/31/2023
Amalgamated Bank	1,526	$6	03/31/2024
GBIO	1,526	$6	03/31/2024
Legal & General Group Plc	3,919	$6	12/31/2023
GBIO	3,919	$6	12/31/2023
Ameritas Investment Partners Inc.	3,277	$5	12/31/2023
GBIO	3,277	$5	12/31/2023
Lazard Asset Management LLC	3,061	$5	12/31/2023
GBIO	3,061	$5	12/31/2023
New York State Common Retirement Fund	2,659	$4	12/31/2023
GBIO	2,659	$4	12/31/2023
Federated Hermes Inc.	340	$1	12/31/2023
GBIO	340	$1	12/31/2023
Qube Research & Technologies Ltd	386	$1	12/31/2023
GBIO	386	$1	12/31/2023
CWM LLC	2	$0	03/31/2024
GBIO	2	$0	03/31/2024
Capital Advisors Ltd. LLC	38	$0	03/31/2024
GBIO	38	$0	03/31/2024
GAMMA Investing LLC	79	$0	03/31/2024
GBIO	79	$0	03/31/2024
Huntington National Bank	1	$0	12/31/2023
GBIO	1	$0	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
GBIO	0	$0	12/31/2023
First Horizon Advisors Inc.	2	$0	12/31/2023
GBIO	2	$0	12/31/2023

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

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