Security record · archived quarter
CGEM
Cullinan Therapeutics, Inc. · Healthcare · Biotechnology
65Tracked holders
+1Δ holders
21.69MShares held
$224.52MReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.6% ·
share flow +1.4% ·
net new positions +1.5%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.40M | +5.5% | $45.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | The Vanguard Group ✦ (passive) | 3.30M | +12.1% | $34.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 3.30M | +12.1% | $34.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 3.30M | +12.1% | $34.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 3.30M | +12.1% | $34.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 3.30M | +12.1% | $34.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | State Street Global Advisors ✦ (passive) | 2.20M | +31.0% | $22.74M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 1.30M | +0.5% | $13.48M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.30M | +0.5% | $13.48M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 848.77K | — | $8.78M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 848.77K | — | $8.78M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Dimensional Fund Advisors Lp | 848.77K | — | $8.78M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | Dimensional Fund Advisors Lp | 848.77K | — | $8.78M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 766.93K | +91.7% | $7.94M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 721.86K | -26.6% | $7.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 721.86K | -26.6% | $7.47M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Renaissance Technologies ✦ | 631.71K | +19.3% | $6.54M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 35 | Deutsche Bank Ag\ | 586.64K | — | $6.07M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Deutsche Bank Ag\ | 586.64K | — | $6.07M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Nuveen, LLC | 579.10K | — | $5.99M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Nuveen, LLC | 579.10K | — | $5.99M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Nuveen, LLC | 579.10K | — | $5.99M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Two Sigma Investments ✦ | 470.53K | +688.5% | $4.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 41 | Charles Schwab Investment… | 436.27K | — | $4.52M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Northern Trust Corp | 421.63K | — | $4.36M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Northern Trust Corp | 421.63K | — | $4.36M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Northern Trust Corp | 421.63K | — | $4.36M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Northern Trust Corp | 421.63K | — | $4.36M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Northern Trust Corp | 421.63K | — | $4.36M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Marshall Wace ✦ | 414.36K | +40.2% | $4.29M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 48 | Marshall Wace ✦ | 414.36K | +40.2% | $4.29M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 49 | Millennium Management ✦ | 362.50K | -34.1% | $3.75M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 50 | Point72 Asset Management ✦ | 360.16K | New | $3.73M | 0.0% | New | 1 | SEC ↗ |
| 51 | Bank Of America Corp /De/ | 346.31K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Bank Of America Corp /De/ | 346.31K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Bank Of America Corp /De/ | 346.31K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Bank Of America Corp /De/ | 346.31K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Bank Of America Corp /De/ | 346.31K | — | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | AQR Capital Management ✦ | 281.48K | +42.2% | $2.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | UBS Group AG | 271.74K | — | $2.81M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | UBS Group AG | 271.74K | — | $2.81M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | UBS Group AG | 271.74K | — | $2.81M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Barclays Plc | 269.65K | — | $2.79M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Barclays Plc | 269.65K | — | $2.79M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Connor, Clark & Lunn Investment… | 244.02K | — | $2.53M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Citigroup Inc | 240.46K | — | $2.49M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Citigroup Inc | 240.46K | — | $2.49M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Jane Street Group, Llc | 186.84K | — | $1.93M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Jane Street Group, Llc | 186.84K | — | $1.93M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Wellington Management ✦ | 159.75K | -5.0% | $1.65M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 73 | Wellington Management ✦ | 159.75K | -5.0% | $1.65M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 74 | Wellington Management ✦ | 159.75K | -5.0% | $1.65M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 75 | Assenagon Asset Management S.A. | 158.75K | — | $1.64M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | JPMorgan Chase ✦ | 147.06K | +130.7% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | JPMorgan Chase ✦ | 147.06K | +130.7% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 78 | JPMorgan Chase ✦ | 147.06K | +130.7% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | JPMorgan Chase ✦ | 147.06K | +130.7% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Bank of New York Mellon Corp | 144.93K | — | $1.50M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Bank of New York Mellon Corp | 144.93K | — | $1.50M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Bank of New York Mellon Corp | 144.93K | — | $1.50M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 144.93K | — | $1.50M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | American Century Companies Inc | 142.76K | — | $1.48M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Invesco Ltd. | 130.32K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Invesco Ltd. | 130.32K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Invesco Ltd. | 130.32K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Invesco Ltd. | 130.32K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Invesco Ltd. | 130.32K | — | $1.35M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Qube Research & Technologies Ltd | 119.29K | — | $1.23M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Citadel Advisors ✦ | 110.32K | -94.4% | $1.14M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 92 | Hrt Financial Lp | 84.07K | — | $870,000 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Squarepoint Ops LLC | 75.82K | — | $784,737 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Rhumbline Advisers | 67.24K | — | $695,924 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Wells Fargo & Company/Mn | 60.51K | — | $626,320 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Swiss National Bank | 58.30K | — | $603,405 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Mariner, LLC | 49.13K | — | $508,208 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | UBS AM, a distinct business unit of… | 48.05K | — | $497,328 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | UBS AM, a distinct business unit of… | 48.05K | — | $497,328 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Quantinno Capital Management LP | 48.00K | — | $496,810 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $3.73M | 0.0% |
Exited
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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