Skip to main content
Equibles

CGEM

Cullinan Therapeutics, Inc.

Company with tickers: CGEM

CIK
1789972
CUSIP
230031106
Shares Outstanding
61,458,046
13F Activity (30d)
137 filings 132 filers

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: 173
Total Value: $935,308,176
Total Shares: 65,820,428
Showing 1–100 of 177 holdings by value · page 1 of 2

Institutional Ownership Trend

21 quarters

Holder Concentration

Across 173 13F filers · Δ vs Dec 31, 2025
Top Holder
13.6%
Jun 2023 → Mar 2026 · range 11.6% – 20.7%
−0.5 pts
Top 5
45.5%
Jun 2023 → Mar 2026 · range 36.5% – 54.3%
−1.8 pts
Top 10
61.7%
Jun 2023 → Mar 2026 · range 53.1% – 72.2%
−3.4 pts
HHI
557
Jun 2023 → Mar 2026 · range 424 – 817
Broadly held −46

Quarterly Activity

vs Dec 31, 2025
New
39
Increased
61
Decreased
42
Sold Out
20
Unchanged
31
Holder count: +19
Institutional value: +42.2%
Shares held: +3.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega PRICE T ROWE ASSOCIATES INC /MD/ +1,982,532 2,029,719
Large MARSHALL WACE, LLP +635,222 1,049,581
Large Point72 Asset Management, L.P. +545,214 905,376
Mega STATE STREET CORP +346,777 2,544,115
Mega Nuveen, LLC +226,605 805,700

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mid Affinity Asset Advisors, LLC −1,150,846 781,260
Small Blue Owl Capital Holdings LP −441,208 1,909,764
Small GREAT POINT PARTNERS LLC −334,032 300,000
Large RENAISSANCE TECHNOLOGIES LLC −307,595 324,111
Mega GOLDMAN SACHS GROUP INC −266,415 455,449

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,483,034 $35,283,913
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 552,553 $7,851,778
Mid Soleus Capital Management, L.P. 410,200 $5,828,942
Mid TCG Crossover Management, LLC 406,786 $5,780,429
Mega VANGUARD FIDUCIARY TRUST CO 342,852 $4,871,926

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 3,298,504 $34,139,514
Large TWO SIGMA ADVISERS, LP 129,809 $1,343,523
Large Squarepoint Ops LLC 75,820 $784,737
Large JACOBS LEVY EQUITY MANAGEMENT, INC 73,755 $763,364
Large NEOS Investment Management LLC 37,519 $388,321
Filter: New 39 Increased 61 Reduced 42 Sold out 20 Unchanged 31
Showing 100 of 177
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small Lynx1 Capital Management LP $127,371,335 13.62% 8,963,500
Mid MPM BIOIMPACT LLC $108,681,888 11.62% 7,648,268
Mid BVF INC/IL $81,717,205 8.74% 5,750,683
Mega BlackRock, Inc. $63,234,011 6.76% 4,449,966
Mid Kynam Capital Management, LP $44,251,815 4.73% 3,114,132
Mega STATE STREET CORP $36,151,874 3.87% 2,544,115
Mega VANGUARD CAPITAL MANAGEMENT LLC $35,283,913 3.77% 2,483,034
Mega PRICE T ROWE ASSOCIATES INC /MD/ $28,842,306 3.08% 2,029,719
Small Blue Owl Capital Holdings LP $27,137,746 2.90% 1,909,764
Large RTW INVESTMENTS, LP $24,241,691 2.59% 1,705,960
Mid Venrock Adviser, LLC $19,609,302 2.10% 1,379,965
Mega GEODE CAPITAL MANAGEMENT, LLC $19,443,087 2.08% 1,368,268
Mid Siren, L.L.C. $16,958,356 1.81% 1,193,410
Mid Nextech Invest, Ltd. $16,215,670 1.73% 1,141,145
Mid BOOTHBAY FUND MANAGEMENT, LLC $15,812,930 1.69% 1,112,803
Large MARSHALL WACE, LLP $14,914,545 1.59% 1,049,581
Mega DIMENSIONAL FUND ADVISORS LP $12,874,656 1.38% 906,028
Large Point72 Asset Management, L.P. $12,865,392 1.38% 905,376
Mega Nuveen, LLC $11,448,995 1.22% 805,700
Mid Affinity Asset Advisors, LLC $11,101,704 1.19% 781,260
Small TWIN FOCUS CAPITAL PARTNERS, LLC $8,461,898 0.90% 595,489
Mega MORGAN STANLEY $8,376,551 0.90% 589,483
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $7,851,778 0.84% 552,553
Small Elmind Capital, LP $7,531,300 0.81% 530,000
Mega TWO SIGMA INVESTMENTS, LP $7,418,287 0.79% 522,047
Mega BANK OF AMERICA CORP /DE/ Bank $7,342,647 0.79% 516,724
Mega GOLDMAN SACHS GROUP INC $6,471,929 0.69% 455,449
Mega NORTHERN TRUST CORP Bank $6,383,953 0.68% 449,258
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $6,151,409 0.66% 432,893
Mid Soleus Capital Management, L.P. $5,828,942 0.62% 410,200
Mid TCG Crossover Management, LLC $5,780,429 0.62% 406,786
Mid DEERFIELD MANAGEMENT COMPANY, L.P. $5,487,461 0.59% 386,169
Mega DEUTSCHE BANK AG\ Bank $5,227,944 0.56% 367,906
Mega AQR CAPITAL MANAGEMENT LLC $5,128,017 0.55% 360,874
Mega MILLENNIUM MANAGEMENT LLC $4,924,930 0.53% 346,582
Mega VANGUARD FIDUCIARY TRUST CO Bank $4,871,926 0.52% 342,852
Large RENAISSANCE TECHNOLOGIES LLC $4,605,617 0.49% 324,111
Small GREAT POINT PARTNERS LLC $4,263,000 0.46% 300,000
Mega JPMORGAN CHASE & CO $4,223,651 0.45% 297,231
Large Connor, Clark & Lunn Investment Management Ltd. $4,108,324 0.44% 289,115
Mega CITADEL ADVISORS LLC $3,591,974 0.38% 252,778
Mega Invesco Ltd. $3,469,370 0.37% 244,150
Mid ORBIMED ADVISORS LLC $3,453,115 0.37% 243,006
Mid Susquehanna Portfolio Strategies, LLC $3,322,894 0.36% 233,842
Small PFM Health Sciences, LP $3,231,439 0.35% 227,406
Mega UBS Group AG $2,875,890 0.31% 202,385
Mid Jump Financial, LLC $2,753,898 0.29% 193,800
Mid Longaeva Partners L.P. $2,610,249 0.28% 183,691
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $2,468,845 0.26% 173,740
Large Trexquant Investment LP $2,394,001 0.26% 168,473
Mega WELLINGTON MANAGEMENT GROUP LLP $2,126,185 0.23% 149,626
Large PRUDENTIAL FINANCIAL INC $2,123,613 0.23% 149,445
Mega CITIGROUP INC $2,047,817 0.22% 144,111
Mega AMERICAN CENTURY COMPANIES INC $2,047,760 0.22% 144,107
Mega Bank of New York Mellon Corp Bank $2,042,088 0.22% 143,708
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $2,034,872 0.22% 143,200
Mega BARCLAYS PLC $1,993,591 0.21% 140,295
Large Assenagon Asset Management S.A. $1,970,998 0.21% 138,705
Mega TD Asset Management Inc $1,625,624 0.17% 114,400
Mid ALGERT GLOBAL LLC $1,559,277 0.17% 109,731
Mid MOORE CAPITAL MANAGEMENT, LP $1,505,691 0.16% 105,960
Small Bleichroeder LP $1,421,000 0.15% 100,000
Mid Y-Intercept (Hong Kong) Ltd $1,355,875 0.14% 95,417
Mid Cinctive Capital Management LP $1,342,049 0.14% 94,444
Large Qube Research & Technologies Ltd $1,283,390 0.14% 90,316
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $1,070,155 0.11% 75,310
Large Quantinno Capital Management LP $1,027,127 0.11% 72,282
Large Rafferty Asset Management, LLC $987,381 0.11% 69,485
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $961,389 0.10% 67,656
Mega RHUMBLINE ADVISERS $959,402 0.10% 67,516
Mid Engineers Gate Manager LP $941,952 0.10% 66,288
Large Mariner, LLC $891,222 0.10% 62,718
Large Tidal Investments LLC $887,002 0.09% 62,421
Mid Tema ETFs LLC Mutual Fund $887,002 0.09% 62,421
Small Apis Capital Advisors, LLC $852,600 0.09% 60,000
Large Creative Planning $852,230 0.09% 59,974
Small SUPERSTRING CAPITAL MANAGEMENT LP $845,267 0.09% 59,484
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $834,127 0.09% 58,700
Mega Swiss National Bank Bank $828,443 0.09% 58,300
Mid KENNEDY CAPITAL MANAGEMENT LLC $731,687 0.08% 51,491
Mid ADAR1 Capital Management, LLC $710,500 0.08% 50,000
Mega ALLIANCEBERNSTEIN L.P. $676,822 0.07% 47,630
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $673,227 0.07% 47,377
Mid GSA CAPITAL PARTNERS LLP $615,847 0.07% 43,339
Mega CITADEL ADVISORS LLC $562,716 0.06% 39,600
Large HRT FINANCIAL LP $548,307 0.06% 38,586
Mid PROFUND ADVISORS LLC $444,076 0.05% 31,251
Large MetLife Investment Management, LLC $437,895 0.05% 30,816
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $431,941 0.05% 30,397
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $428,445 0.05% 30,151
Mega BNP PARIBAS ARBITRAGE, SA $419,806 0.04% 29,543
Large TUDOR INVESTMENT CORP ET AL $411,919 0.04% 28,988
Small Optimize Financial Inc $400,125 0.04% 28,158
Large Corient Private Wealth LLC $396,245 0.04% 27,885
Large IEQ CAPITAL, LLC $394,128 0.04% 27,736
Mega Vanguard Global Advisers, LLC $384,607 0.04% 27,066
Mid XTX Topco Ltd $374,064 0.04% 26,324
Small Knott David M Jr $343,882 0.04% 24,200
Mid Voleon Capital Management LP $342,347 0.04% 24,092
Mid Brevan Howard Capital Management LP $342,148 0.04% 24,078

Report a Problem

Category
Description
Email (optional, for follow-up)