Security record · archived quarter
CGEM
Cullinan Therapeutics, Inc. · Healthcare · Biotechnology
77Tracked holders
+7Δ holders
28.05MShares held
$510.52MReported value
+11New positions
−4Exits
Momentum inputs (comparable managers):
holder breadth +10.0% ·
share flow +14.4% ·
net new positions +9.1%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 77 | +7 | 28.05M | $510.52M | +11 | −4 |
| Q1 2026 | 73 | +7 | 24.59M | $348.81M | +10 | −3 |
| Q4 2025 | 65 | +1 | 21.69M | $224.52M | +1 | — |
| Q3 2025 | 17 | +1 | 15.39M | $91.26M | +1 | — |
| Q2 2025 | 13 | 0 | 14.48M | $109.06M | +1 | −1 |
| Q1 2025 | 10 | -1 | 7.69M | $58.25M | — | −1 |
| Q4 2024 | 11 | 0 | 8.98M | $109.41M | — | — |
| Q3 2024 | 10 | +1 | 6.86M | $114.80M | +1 | — |
| Q2 2024 | 9 | — | 7.12M | $124.19M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 5.23M | +17.6% | $95.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 3.83M | +88.5% | $69.67M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 13 | T. Rowe Price ✦ | 3.83M | +88.5% | $69.67M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 14 | State Street Global Advisors ✦ (passive) | 3.67M | +44.2% | $66.81M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 15 | Vanguard Capital Management Llc | 2.61M | +5.3% | $47.60M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 1.55M | +13.1% | $28.18M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 1.55M | +13.1% | $28.18M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 1.05M | +15.5% | $19.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 1.05M | +15.5% | $19.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 1.05M | +15.5% | $19.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 1.05M | +15.5% | $19.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Goldman Sachs Group ✦ | 1.00M | +119.9% | $18.24M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 23 | Goldman Sachs Group ✦ | 1.00M | +119.9% | $18.24M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 629.03K | +6.7% | $11.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 581.34K | +61.1% | $10.59M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 37 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Northern Trust Corp | 571.08K | +27.1% | $10.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Bank Of America Corp /De/ | 510.32K | -1.2% | $9.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Bank Of America Corp /De/ | 510.32K | -1.2% | $9.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Nuveen, LLC | 471.95K | -41.4% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Nuveen, LLC | 471.95K | -41.4% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Charles Schwab Investment… | 464.03K | +7.2% | $8.45M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Citadel Advisors ✦ | 397.48K | +57.2% | $7.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Deutsche Bank Ag\ | 382.84K | +4.1% | $6.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Deutsche Bank Ag\ | 382.84K | +4.1% | $6.97M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Millennium Management ✦ | 346.23K | -0.1% | $6.30M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 51 | Renaissance Technologies ✦ | 326.81K | +0.8% | $5.95M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 52 | Connor, Clark & Lunn Investment… | 292.50K | +1.2% | $5.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Connor, Clark & Lunn Investment… | 292.50K | +1.2% | $5.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 282.63K | -4.9% | $5.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 282.63K | -4.9% | $5.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 282.63K | -4.9% | $5.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | Two Sigma Investments ✦ | 272.58K | -47.8% | $4.96M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | UBS Group AG | 248.63K | +22.9% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | UBS Group AG | 248.63K | +22.9% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | UBS Group AG | 248.63K | +22.9% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | UBS Group AG | 248.63K | +22.9% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Fidelity (FMR) ✦ | 240.12K | +3220.2% | $4.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 63 | Fidelity (FMR) ✦ | 240.12K | +3220.2% | $4.37M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 64 | Adage Capital Partners ✦ | 238.00K | New | $4.33M | 0.0% | New | 1 | SEC ↗ |
| 65 | Bank of New York Mellon Corp | 171.03K | +19.0% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Bank of New York Mellon Corp | 171.03K | +19.0% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Bank of New York Mellon Corp | 171.03K | +19.0% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Bank of New York Mellon Corp | 171.03K | +19.0% | $3.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Squarepoint Ops LLC | 168.12K | New | $3.06M | 0.0% | New | 1 | SEC ↗ |
| 70 | Prudential Financial Inc | 167.56K | +12.1% | $3.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Prudential Financial Inc | 167.56K | +12.1% | $3.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Wellington Management ✦ | 164.72K | +10.1% | $3.00M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 73 | Wellington Management ✦ | 164.72K | +10.1% | $3.00M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 74 | Wellington Management ✦ | 164.72K | +10.1% | $3.00M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 75 | American Century Companies Inc | 156.32K | +8.5% | $2.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Barclays Plc | 143.94K | +2.6% | $2.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Barclays Plc | 143.94K | +2.6% | $2.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Barclays Plc | 143.94K | +2.6% | $2.62M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Invesco Ltd. | 143.55K | -41.2% | $2.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Citigroup Inc | 124.41K | -13.7% | $2.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Citigroup Inc | 124.41K | -13.7% | $2.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Assenagon Asset Management S.A. | 123.36K | -11.1% | $2.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Assenagon Asset Management S.A. | 123.36K | -11.1% | $2.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | Quantinno Capital Management LP | 109.88K | +52.0% | $2.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Creative Planning | 86.46K | +44.2% | $1.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Creative Planning | 86.46K | +44.2% | $1.57M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | UBS AM, a distinct business unit of… | 84.18K | +24.4% | $1.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Td Asset Management Inc | 80.63K | -29.5% | $1.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Rhumbline Advisers | 78.93K | +16.9% | $1.44M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Manufacturers Life Insurance… | 76.71K | +1.9% | $1.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Swiss National Bank | 76.00K | +30.4% | $1.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Adage Capital Partners | $4.33M | 0.0% |
| Squarepoint Ops LLC | $3.06M | 0.0% |
Exited
| Schroder Investment… | $2.33M | was 0.0% |
| Hrt Financial Lp | $548,000 | was 0.0% |
| Jane Street Group, Llc | $324,159 | was 0.0% |
| ProShare Advisors LLC | $148,708 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 172 holders, 65.27M shares, $895.39M 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.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 13
Michaelson Jennifer
Officer · 30.00K sh · $607,800
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — BIOTECHNOLOGY VALUE FUND L P
Aug 14
SC 13G — PRICE T ROWE ASSOCIATES INC /MD/
Aug 07
SC 13G — STATE STREET CORP
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: Q2 2026 ·
Methodology ·
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