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Of the 9 tracked institutions holding GOSS, 4 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: -0.0pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, GOSS (GOSSAMER BIO INC) is held with a combined value of $52.35M across 50,748,779 shares. The largest holder is VANGUARD GROUP INC with a position worth $39.91M. 4 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$52.35M
Total Shares Held
50,748,779
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $39.91M | 0.00% | +7.2% |
| 2 | BlackRock, Inc. | $5.53M | 0.00% | -1.3% |
| 3 | AQR CAPITAL MANAGEMENT LLC | $3.33M | 0.00% | +804.8% |
| 4 | HHLR ADVISORS, LTD. | $1.63M | 0.10% | - |
| 5 | STATE STREET CORP | $1.44M | 0.00% | -52.9% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $400.07K | 0.00% | +84.8% |
| 7 | MILLENNIUM MANAGEMENT LLC | $61.57K | 0.00% | -94.8% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $44.00K | 0.00% | +16.7% |
| 9 | FMR LLC | $7.40K | 0.00% | -99.5% |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of GOSS with a position worth $39.91M, representing 0.00% of their portfolio. In total, 9 institutional investors hold GOSS with a combined value of $52.35M.
Institutional investors hold $52.35M worth of GOSS stock across 9 positions. The largest institutional holder is VANGUARD GROUP INC with $39.91M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For GOSS, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their GOSS positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-06-11 |
| 9.0% | 2026-06-11 |
| 9.9% | 2026-06-09 |
SEC Schedule 13D (activist) and 13G (passive) filings for GOSS. Filed when an investor acquires 5%+ ownership.
Last Close
$0.14
2026-07-24
YTD
-95.3%
0% of 52-week range