CGEM · Cullinan Therapeutics, Inc. · Holdings
Market Cap
$1.33B
Shares
64.35M
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 184
Total Value: $1,310,508,790
Total Shares: 71,966,475
Showing 1–100
of 190 holdings by value
· page 1 of 2
Institutional Ownership Trend
22 quarters
Holder Concentration
Across 184 13F filers · Δ vs Mar 31, 2026Top Holder
13.5%
−0.1 pts
Top 5
46.6%
+1.1 pts
Top 10
65.5%
+3.8 pts
HHI
591
Broadly held+34
Quarterly Activity
vs Mar 31, 2026
New
31
Increased
85
Decreased
47
Sold Out
21
Unchanged
21
Holder count:
+10
Institutional value:
+40.1%
Shares held:
+9.3%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid MPM BIOIMPACT LLC | +2,083,073 | 9,731,341 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | +1,796,231 | 3,825,950 | |
| Mega STATE STREET CORP | +1,124,512 | 3,668,627 | |
| Mega BlackRock, Inc. | +782,800 | 5,232,766 | |
| Mid Siren, L.L.C. | +700,000 | 1,893,410 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large MARSHALL WACE, LLP | −983,530 | 66,051 | |
| Large Point72 Asset Management, L.P. | −830,367 | 75,009 | |
| Small Blue Owl Capital Holdings LP | −370,000 | 1,539,764 | |
| Mid Soleus Capital Management, L.P. | −360,200 | 50,000 | |
| Mega Nuveen, LLC | −333,753 | 471,947 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small BOONE CAPITAL MANAGEMENT LLC | 704,442 | $12,827,888 | |
| Mid PERCEPTIVE ADVISORS LLC | 426,478 | $7,766,164 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | 238,000 | $4,333,980 | |
| Large Squarepoint Ops LLC | 168,117 | $3,061,410 | |
| Mid MARTINGALE ASSET MANAGEMENT L P | 61,938 | $1,127,890 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Nextech Invest, Ltd. | 1,141,145 | $16,215,670 | |
| Mid DEERFIELD MANAGEMENT COMPANY, L.P. | 386,169 | $5,487,461 | |
| Mid ORBIMED ADVISORS LLC | 243,006 | $3,453,115 | |
| Mega SCHRODER INVESTMENT MANAGEMENT GROUP | 173,740 | $2,468,845 | |
| Mid Cinctive Capital Management LP | 94,444 | $1,342,049 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid MPM BIOIMPACT LLC | $177,207,719 | 13.52% | 9,731,341 | Shares | 2026-08-14 | |
| Small Lynx1 Capital Management LP | $163,225,335 | 12.46% | 8,963,500 | Shares | 2026-08-13 | |
| Mid BVF INC/IL | $104,719,937 | 7.99% | 5,750,683 | Shares | 2026-08-14 | |
| Mega BlackRock, Inc. | $95,288,663 | 7.27% | 5,232,766 | Shares | 2026-08-07 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ | $69,670,548 | 5.32% | 3,825,950 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP | $66,805,697 | 5.10% | 3,668,627 | Shares | 2026-08-07 | |
| Mid Kynam Capital Management, LP | $56,708,343 | 4.33% | 3,114,132 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $47,602,141 | 3.63% | 2,614,066 | Shares | 2026-08-13 | |
| Large RTW INVESTMENTS, LP | $43,054,758 | 3.29% | 2,364,347 | Shares | 2026-08-14 | |
| Mid Siren, L.L.C. | $34,478,996 | 2.63% | 1,893,410 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $28,176,496 | 2.15% | 1,547,309 | Shares | 2026-08-12 | |
| Small Blue Owl Capital Holdings LP | $28,039,102 | 2.14% | 1,539,764 | Shares | 2026-08-11 | |
| Mid Venrock Adviser, LLC | $25,129,162 | 1.92% | 1,379,965 | Shares | 2026-08-14 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $19,714,346 | 1.50% | 1,082,611 | Shares | 2026-08-14 | |
| Mega DIMENSIONAL FUND ADVISORS LP | $19,060,297 | 1.45% | 1,046,694 | Shares | 2026-08-11 | |
| Mega GOLDMAN SACHS GROUP INC | $18,239,099 | 1.39% | 1,001,598 | Shares | 2026-08-14 | |
| Mid Affinity Asset Advisors, LLC | $15,947,589 | 1.22% | 875,760 | Shares | 2026-08-13 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC | $13,452,473 | 1.03% | 738,741 | Shares | 2026-08-13 | |
| Small BOONE CAPITAL MANAGEMENT LLC | $12,827,888 | 0.98% | 704,442 | Shares | 2026-08-14 | |
| Small Elmind Capital, LP | $12,564,900 | 0.96% | 690,000 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY | $11,454,725 | 0.87% | 629,035 | Shares | 2026-08-13 | |
| Small TWIN FOCUS CAPITAL PARTNERS, LLC | $10,843,854 | 0.83% | 595,489 | Shares | 2026-07-28 | |
| Mega AQR CAPITAL MANAGEMENT LLC | $10,586,162 | 0.81% | 581,338 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $10,399,364 | 0.79% | 571,080 | Shares | 2026-08-13 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $9,293,018 | 0.71% | 510,325 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $8,594,154 | 0.66% | 471,947 | Shares | 2026-08-11 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $8,450,059 | 0.64% | 464,034 | Shares | 2026-08-14 | |
| Mid PERCEPTIVE ADVISORS LLC | $7,766,164 | 0.59% | 426,478 | Shares | 2026-08-14 | |
| Mid TCG Crossover Management, LLC | $7,407,573 | 0.57% | 406,786 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $7,238,183 | 0.55% | 397,484 | Shares | 2026-09-02 | |
| Mega DEUTSCHE BANK AG\ Bank | $6,971,516 | 0.53% | 382,840 | Shares | 2026-08-07 | |
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $6,612,706 | 0.50% | 363,136 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC | $6,304,884 | 0.48% | 346,232 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $5,951,228 | 0.45% | 326,811 | Shares | 2026-08-13 | |
| Small GREAT POINT PARTNERS LLC | $5,463,000 | 0.42% | 300,000 | Shares | 2026-08-14 | |
| Large Connor, Clark & Lunn Investment Management Ltd. | $5,326,424 | 0.41% | 292,500 | Shares | 2026-08-13 | |
| Mega JPMORGAN CHASE & CO | $5,146,708 | 0.39% | 282,631 | Shares | 2026-08-12 | |
| Mega TWO SIGMA INVESTMENTS, LP | $4,963,700 | 0.38% | 272,581 | Shares | 2026-08-14 | |
| Small Bleichroeder LP | $4,552,500 | 0.35% | 250,000 | Shares | 2026-08-13 | |
| Mega UBS Group AG | $4,527,495 | 0.35% | 248,627 | Shares | 2026-08-13 | |
| Mega FMR LLC | $4,372,493 | 0.33% | 240,115 | Shares | 2026-08-13 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. | $4,333,980 | 0.33% | 238,000 | Shares | 2026-08-14 | |
| Mid Susquehanna Portfolio Strategies, LLC | $4,258,262 | 0.32% | 233,842 | Shares | 2026-08-14 | |
| Mid PFM Health Sciences, LP | $3,504,368 | 0.27% | 192,442 | Shares | 2026-08-14 | |
| Mid MOORE CAPITAL MANAGEMENT, LP | $3,458,916 | 0.26% | 189,946 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $3,114,472 | 0.24% | 171,031 | Shares | 2026-08-06 | |
| Large Squarepoint Ops LLC | $3,061,410 | 0.23% | 168,117 | Shares | 2026-08-14 | |
| Large PRUDENTIAL FINANCIAL INC | $3,051,176 | 0.23% | 167,555 | Shares | 2026-08-12 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP | $2,999,477 | 0.23% | 164,716 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $2,846,532 | 0.22% | 156,317 | Shares | 2026-08-12 | |
| Mid Engineers Gate Manager LP | $2,787,040 | 0.21% | 153,050 | Shares | 2026-08-14 | |
| Large Trexquant Investment LP | $2,770,888 | 0.21% | 152,163 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC | $2,621,237 | 0.20% | 143,945 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. | $2,614,079 | 0.20% | 143,552 | Shares | 2026-08-14 | |
| Mid Jump Financial, LLC | $2,525,872 | 0.19% | 138,708 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC | $2,265,487 | 0.17% | 124,409 | Shares | 2026-08-03 | |
| Large Quantinno Capital Management LP | $2,000,841 | 0.15% | 109,876 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,576,986 | 0.12% | 86,600 | Call | 2026-08-14 | |
| Large Creative Planning | $1,574,400 | 0.12% | 86,458 | Shares | 2026-08-13 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $1,532,878 | 0.12% | 84,178 | Shares | 2026-08-13 | |
| Mid Y-Intercept (Hong Kong) Ltd | $1,468,600 | 0.11% | 80,648 | Shares | 2026-07-14 | |
| Mega TD Asset Management Inc | $1,468,235 | 0.11% | 80,628 | Shares | 2026-08-04 | |
| Small Apis Capital Advisors, LLC | $1,456,800 | 0.11% | 80,000 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS | $1,437,315 | 0.11% | 78,930 | Shares | 2026-08-12 | |
| Mid XTX Topco Ltd | $1,401,532 | 0.11% | 76,965 | Shares | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $1,396,907 | 0.11% | 76,711 | Shares | 2026-09-09 | |
| Mega Swiss National Bank Bank | $1,383,960 | 0.11% | 76,000 | Shares | 2026-08-11 | |
| Mega ALLIANCEBERNSTEIN L.P. | $1,370,302 | 0.10% | 75,250 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. | $1,365,913 | 0.10% | 75,009 | Shares | 2026-08-14 | |
| Large Mariner, LLC | $1,352,511 | 0.10% | 74,273 | Shares | 2026-08-13 | |
| Small Knott David M Jr | $1,259,804 | 0.10% | 69,182 | Shares | 2026-08-12 | |
| Large Rafferty Asset Management, LLC | $1,203,535 | 0.09% | 66,092 | Shares | 2026-08-14 | |
| Large MARSHALL WACE, LLP | $1,202,788 | 0.09% | 66,051 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC | $1,187,292 | 0.09% | 65,200 | Put | 2026-09-02 | |
| Mid Longaeva Partners L.P. | $1,179,734 | 0.09% | 64,785 | Shares | 2026-08-14 | |
| Large Tidal Investments LLC | $1,144,061 | 0.09% | 62,826 | Shares | 2026-08-13 | |
| Mid Tema ETFs LLC Mutual Fund | $1,144,061 | 0.09% | 62,826 | Shares | 2026-07-10 | |
| Mid MARTINGALE ASSET MANAGEMENT L P | $1,127,890 | 0.09% | 61,938 | Shares | 2026-08-13 | |
| Large Assenagon Asset Management S.A. | $1,123,229 | 0.09% | 61,682 | Shares | 2026-08-21 | |
| Large Corient Private Wealth LLC | $999,310 | 0.08% | 54,877 | Shares | 2026-08-27 | |
| Mid KENNEDY CAPITAL MANAGEMENT LLC | $965,312 | 0.07% | 53,010 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $933,370 | 0.07% | 51,256 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $919,605 | 0.07% | 50,500 | Call | 2026-09-02 | |
| Mid Soleus Capital Management, L.P. | $910,500 | 0.07% | 50,000 | Shares | 2026-08-11 | |
| Mega FRANKLIN RESOURCES INC | $771,101 | 0.06% | 42,345 | Shares | 2026-08-13 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension | $733,007 | 0.06% | 40,253 | Shares | 2026-08-24 | |
| Mid ALGERT GLOBAL LLC | $671,056 | 0.05% | 36,851 | Shares | 2026-08-13 | |
| Mega Vanguard Global Advisers, LLC | $669,709 | 0.05% | 36,777 | Shares | 2026-08-13 | |
| Mega JANE STREET GROUP, LLC | $668,307 | 0.05% | 36,700 | Put | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $655,560 | 0.05% | 36,000 | Put | 2026-08-14 | |
| Mega Fisher Asset Management, LLC | $655,523 | 0.05% | 35,998 | Shares | 2026-08-04 | |
| Large MetLife Investment Management, LLC | $650,934 | 0.05% | 35,746 | Shares | 2026-08-14 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $647,092 | 0.05% | 35,535 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC | $614,041 | 0.05% | 33,720 | Shares | 2026-08-11 | |
| Mid PROFUND ADVISORS LLC | $608,268 | 0.05% | 33,403 | Shares | 2026-08-11 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $585,214 | 0.04% | 32,137 | Shares | 2026-08-13 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $577,493 | 0.04% | 31,713 | Shares | 2026-08-03 | |
| Mid Leonteq Securities AG Broker-Dealer | $546,300 | 0.04% | 30,000 | Shares | 2026-07-27 | |
| Small Verdad Advisers, LP | $527,853 | 0.04% | 28,987 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $520,513 | 0.04% | 28,584 | Shares | 2026-08-06 |
Key facts
CIK
1789972
CUSIP
230031106
13F (30d)
65 filings
65 filers
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