Security record · archived quarter
GOSS
Gossamer Bio, Inc. · Healthcare · Biotechnology
7Tracked holders
0Δ holders
18.68MShares held
$18.44MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -19.4% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 61 | -10 | 149.99M | $24.69M | +3 | −13 |
| Q1 2026 | 73 | -3 | 96.26M | $32.15M | +6 | −9 |
| Q4 2025 | 76 | -1 | 88.23M | $273.50M | — | −1 |
| Q3 2025 | 18 | +3 | 53.94M | $141.87M | +3 | — |
| Q2 2025 | 12 | 0 | 44.92M | $55.25M | +1 | −1 |
| Q1 2025 | 9 | +1 | 11.42M | $12.56M | +1 | — |
| Q4 2024 | 8 | 0 | 11.95M | $10.80M | — | — |
| Q3 2024 | 7 | 0 | 18.68M | $18.44M | — | — |
| Q2 2024 | 7 | — | 23.16M | $20.86M | — | — |
Who holds it · Q3 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 6.43M | +17.1% | $6.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Marshall Wace ✦ | 3.48M | +4.5% | $3.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Marshall Wace ✦ | 3.48M | +4.5% | $3.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Millennium Management ✦ | 3.13M | -44.1% | $3.09M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 2.21M | -3.1% | $2.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 2.21M | -3.1% | $2.18M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 1.74M | -14.8% | $1.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 1.04M | -74.6% | $1.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 1.04M | -74.6% | $1.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 630.96K | +103.5% | $622,380 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 2.17M shares, $845,282 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q3 2024 ·
Methodology ·
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