Security record · archived quarter
GOSS
Gossamer Bio, Inc. · Healthcare · Biotechnology
73Tracked holders
-3Δ holders
96.26MShares held
$32.15MReported value
+6New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -3.9% ·
share flow +13.6% ·
net new positions -4.1%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 60 | -10 | 149.84M | $24.67M | +3 | −14 |
| Q1 2026 | 73 | -3 | 96.26M | $32.15M | +6 | −9 |
| Q4 2025 | 76 | -1 | 88.23M | $273.50M | n/a | −1 |
| Q3 2025 | 18 | +3 | 53.94M | $141.87M | +3 | n/a |
| Q2 2025 | 12 | 0 | 44.92M | $55.25M | +1 | −1 |
| Q1 2025 | 9 | +1 | 11.42M | $12.56M | +1 | n/a |
| Q4 2024 | 8 | 0 | 11.95M | $10.80M | n/a | n/a |
| Q3 2024 | 7 | 0 | 18.68M | $18.44M | n/a | n/a |
| Q2 2024 | 7 | n/a | 23.16M | $20.86M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 16.83M | -1.4% | $5.53M | 0.0% | ▼ Trim | 4 | SEC ↗ ×11 |
| 2 | AQR Capital Management ✦ | 10.13M | +804.8% | $3.33M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 3 | Vanguard Capital Management Llc | 9.39M | n/a | $3.09M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Balyasny Asset Management L.P. | 5.92M | +290.5% | $1.95M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 4.94M | +1.4% | $1.62M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 6 | Qube Research & Technologies Ltd | 4.92M | +809.7% | $1.62M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Two Sigma Investments ✦ | 4.78M | +40.7% | $1.57M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 8 | State Street Global Advisors ✦ (passive) | 4.39M | -52.9% | $1.44M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 9 | Corient Private Wealth LP | 3.99M | -48.2% | $1.31M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | Squarepoint Ops LLC | 3.40M | +1433.8% | $1.12M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Bank Of America Corp /De/ | 3.17M | +66.5% | $1.04M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 12 | Barclays Plc | 3.07M | +431.8% | $1.01M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 13 | Alyeska Investment Group, L.P. | 2.05M | +125.7% | $673,899 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | UBS Group AG | 1.88M | +6.3% | $619,699 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 15 | Alliancebernstein L.P. | 190.22K | 0.0% | $589,682 | 0.0% | Held | 2 | SEC ↗ |
| 16 | Ensign Peak Advisors, Inc | 1.70M | New | $559,148 | 0.0% | New | 1 | SEC ↗ |
| 17 | Mackenzie Financial Corp | 1.54M | +401.5% | $504,879 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Charles Schwab Investment… | 1.51M | -10.4% | $496,060 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | Northern Trust Corp | 1.41M | -0.5% | $462,843 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 20 | Deutsche Bank Ag\ | 1.31M | +1.7% | $430,942 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 21 | Renaissance Technologies ✦ | 1.22M | +84.8% | $400,070 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 1.18M | -34.1% | $387,809 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 23 | Voya Investment Management Llc | 866.62K | +2273.6% | $284,683 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 24 | Connor, Clark & Lunn Investment… | 658.22K | +24.6% | $216,226 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Invesco Ltd. | 464.97K | -2.9% | $152,742 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 26 | Bank of New York Mellon Corp | 428.24K | -4.4% | $140,677 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 27 | Mariner, LLC | 418.40K | +549.2% | $137,446 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | D. E. Shaw & Co. ✦ | 389.43K | +96.0% | $127,928 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 29 | LPL Financial LLC | 371.73K | +3.6% | $122,115 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 367.38K | -60.0% | $120,684 | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 31 | Cwm, Llc | 320.00K | +842.4% | $105,118 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Rhumbline Advisers | 216.40K | +0.7% | $71,187 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Mercer Global Advisors Inc /Adv | 189.33K | +689.4% | $62,194 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Millennium Management ✦ | 187.42K | -94.8% | $61,567 | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 35 | Russell Investments Group, Ltd. | 145.27K | -15.1% | $47,719 | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 36 | Susquehanna International Group, Llp | 135.77K | +53.5% | $44,601 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | T. Rowe Price ✦ | 132.03K | +16.7% | $44,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 38 | Nuveen, LLC | 132.89K | -56.9% | $43,656 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 39 | Creative Planning | 125.63K | +175.4% | $41,268 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Tudor Investment Corp Et Al | 115.24K | +130.5% | $37,855 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Hsbc Holdings Plc | 113.94K | New | $37,806 | 0.0% | New | 1 | SEC ↗ |
| 42 | Commonwealth Equity Services, Llc | 109.98K | +39.6% | $36,130 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Rockefeller Capital Management L.P. | 107.61K | +76.8% | $35,352 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 44 | Victory Capital Management Inc | 107.14K | +1.5% | $35,196 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Cerity Partners LLC | 106.52K | +233.8% | $34,992 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 46 | Bnp Paribas Financial Markets | 95.61K | +6.8% | $31,407 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 91.42K | -14.9% | $30,031 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 92.69K | -78.4% | $29,661 | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 49 | Wealth Enhancement Advisory… | 103.44K | +331.7% | $29,140 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Group One Trading Llc | 83.59K | New | $27,461 | 0.0% | New | 1 | SEC ↗ |
| 51 | Wells Fargo & Company/Mn | 76.26K | -78.9% | $25,053 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 52 | Focus Partners Wealth | 73.01K | New | $23,986 | 0.0% | New | 1 | SEC ↗ |
| 53 | HighTower Advisors, LLC | 65.63K | -1.3% | $21,559 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | Manufacturers Life Insurance… | 57.92K | -0.9% | $19,028 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Captrust Financial Advisors | 57.50K | New | $18,881 | 0.0% | New | 1 | SEC ↗ |
| 56 | Prudential Financial Inc | 55.92K | +48.7% | $18,371 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | New York State Common Retirement… | 43.60K | 0.0% | $14,323 | 0.0% | Held | 2 | SEC ↗ |
| 58 | ProShare Advisors LLC | 38.21K | -15.7% | $12,551 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Sei Investments Co | 31.52K | -86.2% | $10,354 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Cetera Investment Advisers | 30.75K | -10.2% | $10,101 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Fidelity (FMR) ✦ | 22.52K | -99.5% | $7,397 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 62 | Citigroup Inc | 17.75K | -63.9% | $5,832 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 63 | Principal Financial Group Inc | 17.59K | +54.0% | $5,777 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Legal & General Group Plc | 17.30K | -14.7% | $5,682 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Neuberger Berman Group LLC | 17.15K | +36.6% | $5,640 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Mirae Asset Global Investments Co.… | 12.07K | +7.3% | $3,966 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | California State Teachers… | 10.40K | -12.1% | $3,416 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Mml Investors Services, Llc | 10.00K | -3.5% | $3,285 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Jones Financial Companies Lllp | 6.65K | -66.3% | $2,302 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Royal Bank Of Canada | 7.37K | +34.1% | $2,000 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 71 | Osaic Holdings, Inc. | 1.34K | -45.7% | $441 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Pnc Financial Services Group, Inc. | 404 | +103.0% | $133 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | TD Waterhouse Canada Inc. | 15 | New | $5 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Ensign Peak Advisors, Inc | $559,148 | 0.0% |
| Hsbc Holdings Plc | $37,806 | 0.0% |
| Group One Trading Llc | $27,461 | 0.0% |
| Focus Partners Wealth | $23,986 | 0.0% |
| Captrust Financial Advisors | $18,881 | 0.0% |
| TD Waterhouse Canada Inc. | $5 | 0.0% |
Exited
| Hrt Financial Lp | $2.97M | was 0.0% |
| Arrowstreet Capital | $2.33M | was 0.0% |
| Citadel Advisors | $2.18M | was 0.0% |
| Wellington Management | $1.86M | was 0.0% |
| Jane Street Group, Llc | $482,332 | was 0.0% |
| Lazard Asset Management Llc | $175,671 | was 0.0% |
| State Of Wisconsin Investment… | $81,542 | was 0.0% |
| Nomura Holdings Inc | $49,600 | was 0.0% |
| Daiwa Securities Group Inc. | $2,000 | was 0.0% |
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: Q1 2026 ·
Methodology ·
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