GBIO Institutional Ownership
Generation Bio Co.
1W: +3.8%
1M: +12.5%
3M: -5.8%
1Y: -46.9%
3Y: -86.5%
5Y: -98.4%
$5.34
Last traded 2025-12-31 — delisted
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Institutional Ownership — GBIO
43
Institutional Holders
-5 vs prior quarter
0.0%
Ownership
+0.00pp
$0M
Total Invested
0
New Positions
0
Increased
43
Reduced
43
Closed
0.00
Put/Call Ratio
Ownership Trends
Top Institutional Holders (43 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | Atlas Venture Life Science Advisors, L | 0 | $0K | -827,946 | -100.0% | 1Q | SEC ↗ |
| 2 | DELTEC ASSET MANAGEMENT LLC | 0 | $0K | -32,650 | -100.0% | 1Q | SEC ↗ |
| 3 | Rangeley Capital, LLC | 0 | $0K | -98,280 | -100.0% | 1Q | SEC ↗ |
| 4 | WELLS FARGO & COMPANY/MN | 0 | $0K | -50 | -100.0% | 2Q | SEC ↗ |
| 5 | RENAISSANCE TECHNOLOGIES LLC | 0 | $0K | -287,614 | -100.0% | 2Q | SEC ↗ |
| 6 | MARSHALL WACE, LLP | 0 | $0K | -140,294 | -100.0% | 3Q | SEC ↗ |
| 7 | Yiheng Capital Management, L.P. | 0 | $0K | -105,524 | -100.0% | 2Q | SEC ↗ |
| 8 | Lynx1 Capital Management LP | 0 | $0K | -25,000 | -100.0% | 1Q | SEC ↗ |
| 9 | ADAR1 Capital Management, LLC | 0 | $0K | -22,144 | -100.0% | 2Q | SEC ↗ |
| 10 | CITADEL ADVISORS LLC | 0 | $0K | -47,245 | -100.0% | 2Q | SEC ↗ |
| 11 | XTX Topco Ltd | 0 | $0K | -13,122 | -100.0% | 2Q | SEC ↗ |
| 12 | NORTHERN TRUST CORP | 0 | $0K | -17,058 | -100.0% | 2Q | SEC ↗ |
| 13 | TORNO CAPITAL, LLC | 0 | $0K | -25,000 | -100.0% | 1Q | SEC ↗ |
| 14 | Siren, L.L.C. | 0 | $0K | -201,419 | -100.0% | 2Q | SEC ↗ |
| 15 | TD Asset Management Inc | 0 | $0K | -26,708 | -100.0% | 2Q | SEC ↗ |
| 16 | CSS LLC/IL | 0 | $0K | -17,464 | -100.0% | 1Q | SEC ↗ |
| 17 | UBS Group AG | 0 | $0K | -164,716 | -100.0% | 2Q | SEC ↗ |
| 18 | GOLDMAN SACHS GROUP INC | 0 | $0K | -91,527 | -100.0% | 2Q | SEC ↗ |
| 19 | MORGAN STANLEY | 0 | $0K | -161,378 | -100.0% | 2Q | SEC ↗ |
| 20 | MANUFACTURERS LIFE INSURANCE COMPANY, | 0 | $0K | -14,398 | -100.0% | 2Q | SEC ↗ |
| 21 | SymBiosis Capital Partners, LLC | 0 | $0K | -665,000 | -100.0% | 1Q | SEC ↗ |
| 22 | BlackRock, Inc. | 0 | $0K | -60,070 | -100.0% | 2Q | SEC ↗ |
| 23 | SBI Securities Co., Ltd. | 0 | $0K | -53 | -100.0% | 3Q | SEC ↗ |
| 24 | MILLENNIUM MANAGEMENT LLC | 0 | $0K | -88,563 | -100.0% | 2Q | SEC ↗ |
| 25 | DRW Securities, LLC | 0 | $0K | -43,812 | -100.0% | 1Q | SEC ↗ |
| 26 | Opaleye Management Inc. | 0 | $0K | -310,000 | -100.0% | 1Q | SEC ↗ |
| 27 | Optiver Holding B.V. | 0 | $0K | -2 | -100.0% | 2Q | SEC ↗ |
| 28 | ROYAL BANK OF CANADA | 0 | $0K | -985 | -100.0% | 2Q | SEC ↗ |
| 29 | TWO SIGMA INVESTMENTS, LP | 0 | $0K | -50,557 | -100.0% | 2Q | SEC ↗ |
| 30 | GEODE CAPITAL MANAGEMENT, LLC | 0 | $0K | -51,795 | -100.0% | 2Q | SEC ↗ |
| 31 | Palo Alto Investors LP | 0 | $0K | -15,047 | -100.0% | 1Q | SEC ↗ |
| 32 | Sterling Capital Management LLC | 0 | $0K | -194 | -100.0% | 2Q | SEC ↗ |
| 33 | Rockefeller Capital Management L.P. | 0 | $0K | -500 | -100.0% | 2Q | SEC ↗ |
| 34 | ACADIAN ASSET MANAGEMENT LLC | 0 | $0K | -121,029 | -100.0% | 2Q | SEC ↗ |
| 35 | Seven Fleet Capital Management LP | 0 | $0K | -5,376 | -100.0% | 1Q | SEC ↗ |
| 36 | PRICE T ROWE ASSOCIATES INC /MD | 0 | $0K | -209,641 | -100.0% | 2Q | SEC ↗ |
| 37 | STATE STREET CORP | 0 | $0K | -19,993 | -100.0% | 2Q | SEC ↗ |
| 38 | FMR LLC | 0 | $0K | -2,617 | -100.0% | 2Q | SEC ↗ |
| 39 | BNP PARIBAS FINANCIAL MARKETS | 0 | $0K | -147 | -100.0% | 2Q | SEC ↗ |
| 40 | Shay Capital LLC | 0 | $0K | -19,839 | -100.0% | 2Q | SEC ↗ |
| 41 | Smartleaf Asset Management LLC | 0 | $0K | -1 | -100.0% | 1Q | SEC ↗ |
| 42 | JPMORGAN CHASE & CO | 0 | $0K | -689 | -100.0% | 2Q | SEC ↗ |
| 43 | BANK OF AMERICA CORP /DE | 0 | $0K | -84,842 | -100.0% | 2Q | SEC ↗ |
Recent Activity
New Positions (0)
No new positions this quarter.
Sold Out (20)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| Atlas Venture Life Science Advisors | 827,946 | $4M |
| SymBiosis Capital Partners, LLC | 665,000 | $4M |
| Opaleye Management Inc. | 310,000 | $2M |
| RENAISSANCE TECHNOLOGIES LLC | 287,614 | $2M |
| PRICE T ROWE ASSOCIATES INC /MD | 209,641 | $1M |
| Siren, L.L.C. | 201,419 | $1M |
| UBS Group AG | 164,716 | $880K |
| MORGAN STANLEY | 161,378 | $862K |
| MARSHALL WACE, LLP | 140,294 | $749K |
| ACADIAN ASSET MANAGEMENT LLC | 121,029 | $646K |
| Yiheng Capital Management, L.P. | 105,524 | $563K |
| Rangeley Capital, LLC | 98,280 | $525K |
| GOLDMAN SACHS GROUP INC | 91,527 | $489K |
| MILLENNIUM MANAGEMENT LLC | 88,563 | $473K |
| BANK OF AMERICA CORP /DE | 84,842 | $453K |
| BlackRock, Inc. | 60,070 | $321K |
| GEODE CAPITAL MANAGEMENT, LLC | 51,795 | $277K |
| TWO SIGMA INVESTMENTS, LP | 50,557 | $270K |
| CITADEL ADVISORS LLC | 47,245 | $252K |
| DRW Securities, LLC | 43,812 | $234K |
Biggest Increases (0)
None.
Biggest Decreases (0)
None.