GOSS
Gossamer Bio, Inc.Price
Daily candles with volume. Pins mark insider trades, rating changes, 13F stakes, reports, catalysts and short-interest jumps.
- X Jul 31 Short interest jumps 29.8% to 94.99M
- R Aug 21 Gossamer Bio entered into a securities purchase agreement for a two-…
- E Sep 10 Trading halt: Trading Halt: GOSS — T1 (News Pending)
- R Sep 11 Gossamer Bio effected a 1-for-80 reverse stock split and reduced aut…
- X Sep 15 Short interest falls 98.8% to 948.6K
- R Sep 28 D. E. Shaw's Amendment No. 4 to its Schedule 13D on Gossamer Bio rep…
- X Sep 30 Short interest jumps 30.5% to 1.24M
- A Oct 13 Chardan Capital initiates
Signal stack
Where each data set points today.
- InsidersNO TRADES
No open-market buys or sells since Mar 19. Recent filings are awards, exercises and tax withholding.
- InstitutionsBULLISH
Q2 2026: 32 added (0 new), 17 trimmed or exited.
- AnalystsBULLISH
8 of 13 rate it Buy or better. Every target is above the price.
- EstimatesRISING
Current-quarter EPS estimate −$6.549 → −$3.934 over 90 days.
- TrendDOWNTREND
20% below its 50-day average.
Who's buying
13F· Q2 2026| Fund | Move | Value |
|---|---|---|
| D. E. Shaw & Co., Inc. | DOUBLED | $6.7M |
| RENAISSANCE TECHNOLOGIES LLC | DOUBLED | $1.9M |
| BARCLAYS PLC | DOUBLED | $1.3M |
| BlackRock, Inc. | TRIM | $1.3M |
| Qube Research & Technologies Ltd | ADD | $1.2M |
| Corient Private Wealth LP | ADD | $927.1K |
| UBS Group AG | ADD | $510.5K |
| GEODE CAPITAL MANAGEMENT, LLC | TRIM | $408.7K |
Quarterly 13F filings are due 45 days after each quarter ends.
The Street
13 analystsPrice is below the lowest target. Median implies +938%.Targets as of Oct 26, 2026.
| Date | Firm | Rating |
|---|---|---|
| Oct 26, 2026 | 🔒 Fresh data, subscribers only MAINTAIN | |
| Oct 15, 2026 | Chardan Capital MAINTAIN | Buy |
| Oct 13, 2026 | Chardan Capital INITIATE | Buy |
| Sep 21, 2026 | HC Wainwright & Co. MAINTAIN | Buy |
| Aug 14, 2026 | Piper Sandler MAINTAIN | Overweight |
| Jul 28, 2026 | Leerink Partners UPGRADE | Outperform |
Insider ledger
Form 4| Date | Insider | Type | Value |
|---|---|---|---|
| Sep 23, 2026 | Cox Russell J. Director | AWARD | 10,000 sh |
| Sep 23, 2026 | Quisel John D Director | AWARD | 10,000 sh |
| Sep 23, 2026 | Drynan Skye Director | AWARD | 10,000 sh |
| Sep 23, 2026 | Nathan Steven D Director | AWARD | 10,000 sh |
| Sep 23, 2026 | Ciongoli Gregory Austin Director | AWARD | 30,000 sh |
| Sep 23, 2026 | Daniel Thomas O Director | AWARD | 10,000 sh |
| Sep 23, 2026 | Milligan Sandra Director | AWARD | 10,000 sh |
| Aug 24, 2026 | Hasnain Faheem President & CEO | AWARD | $166.0K |
Earnings setup
Estimates| Period | EPS est. | Range | 30D rev. | Revenue |
|---|---|---|---|---|
| Current Q | -$3.93 | -$7.43–$0.80 | -4.3% | $12.2M |
| Next Q | -$4.93 | -$6.40–-$3.20 | -12.1% | $3.0M |
| Current FY | 🔒 Fresh data, subscribers only | |||
| Next FY | -$15.61 | -$28.80–-$2.88 | -7.8% | $16.7M |
Short side
FINRA· Oct 15, 2026| Sep 10, 2026 | Resumption Scheduled | Resumed |
SecBot reports
15 filings · 0 bullish · 6 bearish · 2 mixed · 7 neutral- BEARISH SC 13D/AOct 8, 2026
D. E. Shaw filed Amendment No. 5 to its Schedule 13D for Gossamer Bio, primarily to correct an…
D. E. Shaw is actively reducing its position while retaining voting power through the October 27 special meeting. The continued selling, combined with the correction of an understated stake…
- BEARISH SC 13D/ASep 28, 2026
D. E. Shaw's Amendment No. 4 to its Schedule 13D on Gossamer Bio reports that its Valence…
D. E. Shaw's crossing below 5% and disclosed short positions suggest the activist campaign is winding down rather than escalating. The board seat gained (Ciongoli) may provide some ongoing…
- MIXED INST-CLUSTERSep 22, 2026
In Q2 2026, a cluster of 32 institutional buyers accumulated $8.5M in Gossamer Bio (GOSS) while 17…
The aggressive accumulation by quant funds (D.E. Shaw, RenTech, Millennium) at very low absolute dollar values suggests a high-risk, binary-event thesis (e.g., upcoming clinical trial readout or…
- NEUTRAL 8-KSep 16, 2026
Gossamer Bio appointed Gregory A. Ciongoli to its Board of Directors as a Class III director and…
Monitor for further activist activity or board-level changes, as Ciongoli's appointment follows activist 13D filings and may signal a shift in governance or strategic direction. The activist…
All GOSS filing & press-release reports (15)
- SC 13D/A reportOct 8, 2026
- SC 13D/A reportSep 28, 2026
- INST-CLUSTER reportSep 22, 2026
- 8-K reportSep 16, 2026
- 8-K reportSep 11, 2026
- 8-K reportSep 9, 2026
- 8-K reportAug 21, 2026
- 8-K reportAug 13, 2026
- 8-K reportJul 1, 2026
- 8-K reportJun 17, 2026
- INST-CLUSTER reportJun 11, 2026
- 8-K reportJun 2, 2026
- DEFA14A reportMay 18, 2026
- DEFA14A reportApr 24, 2026
- EFFECT reportMar 19, 2026