GBIO
Generation Bio Co.—
Next earnings
Nov 3
in 7 days
Insider net
$0
no open-market trades · since Feb 9
New fund stakes
0
Q4 2025 13F · 0 exits
Price
Daily candles with volume.
No data for this timeframe.
Signal stack
Where each data set points today.
- InsidersNO TRADES
No open-market buys or sells since Feb 9. Recent filings are awards, exercises and tax withholding.
- InstitutionsMIXED
Q4 2025: 3 added (0 new), 5 trimmed or exited.
Who's buying
13F· Q4 20250
new positions
0
exits
| Fund | Move | Value |
|---|---|---|
| CWM, LLC | NEAR_EXIT | — |
| PRICE T ROWE ASSOCIATES INC /MD/ | TRIM | $1.2M |
| MARSHALL WACE, LLP | TRIM | $796.9K |
| TWO SIGMA INVESTMENTS, LP | DOUBLED | $287.2K |
| NORTHERN TRUST CORP | ADD | $96.9K |
| FMR LLC | NEAR_EXIT | $14.9K |
| Rockefeller Capital Management L.P. | ADD | $2.8K |
| Optiver Holding B.V. | TRIM | $11.00 |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
last action Dec 2025Recent actions
| Date | Firm | Rating |
|---|---|---|
| Dec 16, 2025 | Wedbush UPGRADE | Outperform |
| Dec 16, 2025 | Jefferies DOWNGRADE | Hold |
| Aug 18, 2025 | Canaccord Genuity MAINTAIN | Buy |
| Aug 13, 2025 | Needham REITERATE | Buy |
| Aug 13, 2025 | Wedbush DOWNGRADE | Neutral |
| May 8, 2025 | Needham REITERATE | Buy |
Insider ledger
Form 4$0
open-market buys or sells · since Feb 9
| Date | Insider | Type | Value |
|---|---|---|---|
| Feb 9, 2026 | Rhodes Jason P Director | TO ISSUER | 2,500 sh |
| Feb 9, 2026 | Christensen Gustav Director | TO ISSUER | 1,500 sh |
| Feb 9, 2026 | Rhodes Jason P Director | TO ISSUER | 1,920 sh |
| Feb 9, 2026 | Quinn Anthony G. Director | TENDER | 29,928 sh |
| Feb 9, 2026 | Quinn Anthony G. Director | TO ISSUER | 2,500 sh |
| Feb 9, 2026 | Quinn Anthony G. Director | TO ISSUER | 3,000 sh |
| Feb 9, 2026 | Rhodes Jason P Director | TO ISSUER | 3,000 sh |
| Feb 9, 2026 | Rhodes Jason P Director | TO ISSUER | 1,500 sh |
Catalysts
Scheduled dates and disclosed events: earnings, FDA and trial readouts, halts, press releases. Colored dot = impact.
Upcoming
Recent
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Aug 10, 2026 Earnings calendar
GBIO Q2 2026 Earnings Scheduled — 2026-08-10
Feb 9, 2026 Insider
Rhodes Jason P disposed of 2,500 shares
Director
Feb 9, 2026 Insider
Christensen Gustav disposed of 1,500 shares
Director
Feb 9, 2026 Insider
Rhodes Jason P disposed of 1,920 shares
Director
Dec 31, 2025 Inst.
CWM, LLC — NEAR_EXIT
1 shares (—)
Dec 31, 2025 Inst.
PRICE T ROWE ASSOCIATES — TRIM
209,641 shares ($1.2M)