Generation Bio Co. - GBIO

Sector: Healthcare · Industry: Pharmaceutical Preparations
Website: No information yet · Social: No information yet

Company profile

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Quarter snapshot

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Q4 2025 · Q3 2025
Value (USD)
Total reported value ($000)
$24.49M
QoQ value delta ($000)
+$374K (+1.55%)
Implied price effect (QoQ)
-6.89%
Shares
Total shares
4,312,087
QoQ shares delta
+358,421 (+9.07%)
Total shares held by funds (by quarter)
Shares (left)

Fund holders include prior positions carried forward until a new 13F confirms a change. Reported holders have reported a position in this security for that quarter; this is not the total number of 13F filers.

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Top holders (Q4 2025)

Top 25 only Full list
Early Q2 2026 data: only 1 institutional holders reported so far. More will appear as funds file with the SEC.
Manager Value ($000) Shares % of 13F
Atlas Venture Life Science Advisors, LLC 4,702 827,946 0.54%
SymBiosis Capital Partners, LLC 3,777 665,000 3.45%
Opaleye Management Inc. 1,760 310,000 0.23%
RENAISSANCE TECHNOLOGIES LLC 1,633 287,614 0.0%
VANGUARD GROUP INC 1,305 229,833 0.0%
PRICE T ROWE ASSOCIATES INC /MD/ 1,191 209,641 0.0%
Siren, L.L.C. 1,144 201,419 0.03%
UBS Group AG 935 164,716 0.0%
MORGAN STANLEY 916 161,378 0.0%
MARSHALL WACE, LLP 796 140,294 0.0%
ACADIAN ASSET MANAGEMENT LLC 686 121,029 0.0%
Yiheng Capital Management, L.P. 599 105,524 0.12%
Rangeley Capital, LLC 558 98,280 0.46%
GOLDMAN SACHS GROUP INC 519 91,527 0.0%
MILLENNIUM MANAGEMENT LLC 503 88,563 0.0%
BANK OF AMERICA CORP /DE/ 481 84,842 0.0%
BlackRock, Inc. 341 60,070 0.0%
GEODE CAPITAL MANAGEMENT, LLC 294 51,795 0.0%
TWO SIGMA INVESTMENTS, LP 287 50,557 0.0%
CITADEL ADVISORS LLC 268 47,245 0.0%
DRW Securities, LLC 248 43,812 0.01%
DELTEC ASSET MANAGEMENT LLC 185 32,650 0.03%
TD ASSET MANAGEMENT INC 151 26,708 0.0%
Lynx1 Capital Management LP 142 25,000 0.03%
TORNO CAPITAL, LLC 142 25,000 0.03%