Generation BioGBIO
13F holders, Q1 2024 (March 31)77holders
4famous investors
$4.07avg. 13F price*
At the end of Q1 2024, 77 institutions reported holding Generation Bio Co. (GBIO) in their 13F filings. The largest holders were T. Rowe Price Associates Inc. ($36.1M), Atlas Venture Life Science Advisors, LLC ($33.7M) and FMR LLC ($21.7M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Generation Bio Co.
- CUSIP
- 37148K100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $2.7M |
| Exits | 11 | $733K |
Ownership 77 holders
| T. Rowe Price Associates Inc. | 0.00% | Add +28.2% | 8,878,361 | $36.1M |
| Atlas Venture Life Science Advisors, LLC | 3.11% | No change | 8,279,484 | $33.7M |
| FMR LLC | 0.00% | Reduce -0.3% | 5,334,259 | $21.7M |
| Bellevue Group AG | 0.24% | Add +6.8% | 3,861,575 | $15.7M |
| BlackRock Inc. | 0.00% | Reduce -3.8% | 3,048,849 | $12.4M |
| Bank of America Corp. | 0.00% | Add +18.3% | 2,989,606 | $12.2M |
| Artal Group S.A. | 0.30% | Add +0.6% | 2,830,591 | $11.5M |
| Vanguard Group Inc. | 0.00% | Add +0.7% | 2,570,456 | $10.5M |
| EcoR1 Capital, LLC | 0.21% | No change | 2,046,867 | $8.3M |
| PFM Health Sciences, LP | 0.34% | No change | 1,622,487 | $6.6M |
| Deutsche Bank AG | 0.00% | Add +1.6% | 1,251,566 | $5.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +7.1% | 1,242,091 | $5.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.7% | 1,070,689 | $4.4M |
| State Street Corp. | 0.00% | Add +4.6% | 964,609 | $3.9M |
| Morgan Stanley | 0.00% | Reduce -11.5% | 941,782 | $3.8M |
| UBS Group AG | 0.00% | Add +0.1% | 868,100 | $3.5M |
| Renaissance Technologies | 0.00% | Reduce -3.6% | 664,500 | $2.7M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -26.2% | 504,251 | $2.1M |
| Acadian Asset Management LLC | 0.01% | Add +113.9% | 479,835 | $2.0M |
| D. E. Shaw & Co. | 0.00% | Add +56.7% | 443,708 | $1.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +2.0% | 389,255 | $1.6M |
| Northern Trust Corp. | 0.00% | Add +2.7% | 383,286 | $1.6M |
| Los Angeles Capital Management LLC | 0.01% | Add +38.4% | 381,661 | $1.6M |
| Baker Bros. Advisors LP | 0.02% | New | 371,219 | $1.5M |
| TD Asset Management Inc | 0.00% | No change | 340,686 | $1.4M |
| Two Sigma Advisers, LP | 0.00% | Add +57.1% | 333,600 | $1.4M |
| Two Sigma Investments, LP | 0.00% | Reduce -0.9% | 314,151 | $1.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.2% | 268,078 | $1.1M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -0.6% | 241,600 | $983K |
| Millennium Management | 0.00% | Reduce -70.4% | 222,743 | $907K |
| Yiheng Capital Management, L.P. | 0.11% | New | 191,530 | $780K |
| Nuveen Asset Management, LLC | 0.00% | Reduce -26.1% | 169,265 | $689K |
| XTX Topco Ltd | 0.09% | Add +13.5% | 166,207 | $676K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +5.0% | 151,469 | $616K |
| Bank of New York Mellon Corp | 0.00% | Reduce -10.8% | 142,378 | $579K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | Add +218.3% | 90,759 | $369K |
| Panagora Asset Management Inc. | 0.00% | Add +196.7% | 87,943 | $358K |
| Cornercap Investment Counsel Inc. | 0.05% | Add +92.9% | 74,170 | $302K |
| Rhumbline Advisers | 0.00% | Add +2.2% | 73,473 | $299K |
| Alliancebernstein L.P. | 0.00% | No change | 65,285 | $266K |
| Gsa Capital Partners LLP | 0.02% | Reduce -50.6% | 64,244 | $261K |
| Citadel Advisors | 0.00% | Reduce -54.3% | 57,621 | $235K |
| Kestra Private Wealth Services, LLC | 0.00% | Add +71.5% | 52,300 | $213K |
| Prudential Financial Inc. | 0.00% | Add +45.1% | 41,175 | $168K |
| Man Group plc | 0.00% | New | 38,317 | $156K |
| Barclays PLC | 0.00% | Reduce -44.9% | 37,405 | $152K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -63.5% | 32,352 | $132K |
| Jane Street Group, LLC | 0.00% | Reduce -73.4% | 28,423 | $116K |
| Simplex Trading, LLC | 0.00% | Add +95.8% | 25,092 | $102K |
| MetLife Investment Management, LLC | 0.00% | New | 24,356 | $99K |
| American International Group, Inc. | 0.00% | Reduce -0.8% | 22,317 | $91K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 18,259 | $87K |
| Wells Fargo & Company | 0.00% | Add +11.2% | 20,372 | $83K |
| Susquehanna International Group, LLP | 0.00% | Reduce -56.2% | 17,841 | $73K |
| SG Americas Securities, LLC | 0.00% | Reduce -65.7% | 16,626 | $68K |
| Voya Investment Management LLC | 0.00% | Reduce -14.0% | 16,253 | $66K |
| Invesco Ltd. | 0.00% | Reduce -80.3% | 15,427 | $63K |
| American Century Companies Inc. | 0.00% | New | 10,619 | $43K |
| PFG Advisors | 0.00% | New | 10,000 | $41K |
| Cubist Systematic Strategies, LLC | 0.00% | Reduce -39.5% | 9,971 | $41K |
| Citigroup Inc. | 0.00% | Add +31.5% | 8,512 | $35K |
| Royal Bank of Canada | 0.00% | Reduce -65.0% | 7,032 | $28K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -47.4% | 4,584 | $19K |
| California State Teachers Retirement System | 0.00% | Reduce -38.9% | 4,553 | $19K |
| Legal & General Group Plc | 0.00% | No change | 3,919 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,277 | $13K |
| New York State Common Retirement Fund | 0.00% | No change | 2,659 | $11K |
| Metropolitan Life Insurance Co | 0.00% | New | 2,507 | $10K |
| Amalgamated Bank | 0.00% | Reduce -61.4% | 1,526 | $6K |
| Point72 (DIFC) Ltd | 0.00% | — | 218 | $887 |
| GAMMA Investing LLC | 0.00% | No change | 79 | $322 |
| Nisa Investment Advisors, LLC | 0.00% | New | 15 | $61 |
| Avior Wealth Management, LLC | 0.00% | New | 9 | $36 |
| First Horizon Advisors, Inc. | 0.00% | No change | 2 | $8 |
| Huntington National Bank | 0.00% | No change | 1 | $4 |
| Cwm, LLC | 0.00% | New | 2 | $0 |
| Capital Advisors, Ltd. LLC | 0.00% | New | 38 | $0 |
"% of holder's portfolio" is GBIO's weight in each manager's 13F, not the share of Generation Bio Co. the manager owns.