Caribou Biosciences, Inc. - CRBU

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
PFIZER INC History No change 4,690,431 8,348 3.5% 3.15% 1 0 0.0% Q1 2026 May 12, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 3,767,228 7,157 0.0% 2 +3,767,228 New Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 4,304,198 6,843 0.0% 0.0% 3 0 0.0% Q4 2025 Jan 29, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 2,590,497 4,921 0.01% 0.0% 4 +950,640 57.97% Q1 2026 May 14, 2026
Kynam Capital Management, LP History No change 2,503,302 4,756 0.29% 0.25% 5 0 0.0% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 2,143,085 4,071 0.0% 0.0% 6 +2,062 0.1% Q1 2026 May 13, 2026
TWO SIGMA INVESTMENTS, LP History Added to 1,759,934 3,343 0.0% 0.0% 7 +739,855 72.53% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Added to 1,297,167 2,464 0.0% 0.0% 8 +303,981 30.61% Q1 2026 May 15, 2026
Aberdeen Group plc History Reduced 1,212,541 2,303 0.0% 0.0% 9 -176,364 -12.7% Q1 2026 Apr 29, 2026
MARSHALL WACE, LLP History Added to 1,205,668 2,290 0.0% 0.0% 10 +324,563 36.84% Q1 2026 May 14, 2026
MILLENNIUM MANAGEMENT LLC History Added to 1,074,421 2,041 0.0% 0.0% 11 +307,419 40.08% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 1,047,203 1,989 0.0% 0.0% 12 -41,872 -3.84% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 1,017,959 1,934 0.0% 0.0% 13 +41,146 4.21% Q1 2026 May 15, 2026
PFM Health Sciences, LP History No change 957,787 1,819 0.17% 0.15% 14 0 0.0% Q1 2026 May 15, 2026
MACKENZIE FINANCIAL CORP History New 942,786 1,791 0.0% 15 +942,786 New Q1 2026 May 13, 2026
TWO SIGMA ADVISERS, LP History No change 1,115,700 1,773 0.0% 0.0% 16 0 0.0% Q4 2025 Feb 17, 2026
ACADIAN ASSET MANAGEMENT LLC History Added to 925,039 1,752 0.0% 0.0% 17 +865,317 1448.91% Q1 2026 May 13, 2026
FMR LLC History Reduced 723,959 1,375 0.0% 0.0% 18 -2,009 -0.28% Q1 2026 May 15, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 673,200 1,278 0.0% 0.0% 19 -332,810 -33.08% Q1 2026 May 07, 2026
MAVERICK CAPITAL LTD History No change 652,542 1,239 0.01% 0.01% 20 0 0.0% Q1 2026 May 15, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 559,642 1,063 0.0% 0.0% 21 +4,014 0.72% Q1 2026 May 15, 2026
Cambridge Investment Research Advisors, Inc. History Reduced 547,014 1,039 0.0% 0.0% 22 -34,779 -5.98% Q1 2026 Apr 30, 2026
VANGUARD FIDUCIARY TRUST CO History New 520,118 988 0.0% 23 +520,118 New Q1 2026 May 08, 2026
GSA CAPITAL PARTNERS LLP History Added to 480,724 913 0.06% 0.05% 24 +109,352 29.45% Q1 2026 May 08, 2026
72 Investment Holdings, LLC History No change 474,067 900 1.81% 1.49% 25 0 0.0% Q1 2026 May 15, 2026
STATE STREET CORP History No change 423,263 804 0.0% 0.0% 26 0 0.0% Q1 2026 May 15, 2026
GOLDMAN SACHS GROUP INC History Reduced 376,589 715 0.0% 0.0% 27 -112,549 -23.01% Q1 2026 May 15, 2026
Green Alpha Advisors, LLC History Reduced 373,650 709 0.7% 0.55% 28 -1,489 -0.4% Q1 2026 Apr 07, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Reduced 358,941 681 0.0% 0.01% 29 -465,358 -56.45% Q1 2026 May 15, 2026
XTX Topco Ltd History Reduced 323,469 614 0.01% 0.02% 30 -89,911 -21.75% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Added to 303,655 576 0.0% 0.0% 31 +161,712 113.93% Q1 2026 May 11, 2026
CITADEL ADVISORS LLC History Reduced 297,933 566 0.0% 0.0% 32 -316,796 -51.53% Q1 2026 May 15, 2026
UBS Group AG History Reduced 259,169 492 0.0% 0.0% 33 -378,576 -59.36% Q1 2026 May 05, 2026
Bruce & Co., Inc. History No change 250,000 475 0.14% 0.12% 34 0 0.0% Q1 2026 May 14, 2026
MORGAN STANLEY History Reduced 245,112 465 0.0% 0.0% 35 -53,344 -17.87% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History No change 217,735 413 0.0% 0.0% 36 0 0.0% Q1 2026 May 14, 2026
Point72 Asset Management, L.P. History Reduced 187,622 356 0.0% 0.0% 37 -216,316 -53.55% Q1 2026 May 15, 2026
Qube Research & Technologies Ltd History Reduced 176,697 335 0.0% 0.0% 38 -27,955 -13.66% Q1 2026 May 15, 2026
MILESTONE ASSET MANAGEMENT, LLC History Reduced 162,076 307 0.06% 0.07% 39 -69,723 -30.08% Q1 2026 Apr 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Reduced 132,000 250 0.01% 0.0% 40 -16,500 -11.11% Q1 2026 May 15, 2026
OMERS ADMINISTRATION Corp History Reduced 120,200 228 0.0% 0.0% 41 -57,900 -32.51% Q1 2026 May 15, 2026
NANO CAP NEW MILLENNIUM GROWTH FUND L P History Added to 117,500 223 0.21% 0.15% 42 +5,000 4.44% Q1 2026 May 15, 2026
AMERICAN CENTURY COMPANIES INC History No change 112,453 213 0.0% 0.0% 43 0 0.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Reduced 111,475 211 0.0% 0.0% 44 -219,210 -66.29% Q1 2026 May 12, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 88,487 168 0.0% 0.0% 45 +3,241 3.8% Q1 2026 May 15, 2026
Invesco Ltd. History Added to 83,502 158 0.0% 0.0% 46 +48,439 138.15% Q1 2026 May 12, 2026
Keystone Financial Group History No change 80,475 152 0.01% 0.01% 47 0 0.0% Q1 2026 May 13, 2026
HRT FINANCIAL LP History New 78,954 150 0.0% 48 +78,954 New Q1 2026 May 14, 2026
Man Group plc History Added to 77,210 146 0.0% 0.0% 49 +40,498 110.31% Q1 2026 May 15, 2026
Brevan Howard Capital Management LP History New 65,062 123 0.0% 50 +65,062 New Q1 2026 May 15, 2026
Nelson Capital Management, LLC History No change 58,685 111 0.01% 0.01% 51 0 0.0% Q1 2026 May 06, 2026
CANADA PENSION PLAN INVESTMENT BOARD History Added to 57,900 110 0.0% 0.0% 52 +50,500 682.43% Q1 2026 May 15, 2026
CITIGROUP INC History Reduced 56,923 108 0.0% 0.0% 53 -17,648 -23.67% Q1 2026 May 11, 2026
GROUP ONE TRADING LLC History Reduced 48,800 92 0.0% 0.0% 54 -16,300 -25.04% Q1 2026 May 13, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Reduced 44,908 85 0.0% 0.0% 55 -1,000 -2.18% Q1 2026 Apr 27, 2026
RBF Capital, LLC History No change 40,000 76 0.0% 0.0% 56 0 0.0% Q1 2026 May 18, 2026
Quadrature Capital Ltd History Reduced 39,556 75 0.0% 0.0% 57 -119,761 -75.17% Q1 2026 May 15, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Reduced 39,129 74 0.0% 0.0% 58 -3,100 -7.34% Q1 2026 May 14, 2026
Vanguard Personalized Indexing Management, LLC History Reduced 39,233 74 0.0% 0.0% 59 -2,880 -6.84% Q1 2026 May 14, 2026
Graham Capital Management, L.P. History Reduced 38,751 73 0.0% 0.0% 60 -68,502 -63.87% Q1 2026 May 15, 2026
Virtu Financial LLC History New 36,609 70 0.0% 61 +36,609 New Q1 2026 May 14, 2026
LPL Financial LLC History Added to 35,274 67 0.0% 0.0% 62 +19,750 127.22% Q1 2026 May 06, 2026
US BANCORP \DE\ History No change 34,265 65 0.0% 0.0% 63 0 0.0% Q1 2026 May 14, 2026
HSBC HOLDINGS PLC History No change 34,460 65 0.0% 0.0% 64 0 0.0% Q1 2026 Apr 30, 2026
Jefferies Financial Group Inc. History Reduced 33,262 63 0.0% 0.0% 65 -11,578 -25.82% Q1 2026 May 07, 2026
Diametric Capital, LP History New 32,793 62 0.02% 66 +32,793 New Q1 2026 May 15, 2026
Catalyst Funds Management Pty Ltd History New 32,200 61 0.01% 69 +32,200 New Q1 2026 May 11, 2026
&PARTNERS History Reduced 32,505 61 0.0% 0.0% 67 -3,000 -8.45% Q1 2026 May 15, 2026
Prime Capital Investment Advisors, LLC History Reduced 32,315 61 0.0% 0.0% 68 -1,619 -4.77% Q1 2026 May 08, 2026
Thrive Wealth Management, LLC History No change 32,000 60 0.01% 0.01% 70 0 0.0% Q1 2026 Apr 09, 2026
SIMPLEX TRADING, LLC History Reduced 31,400 59 0.0% 0.0% 71 -39,600 -55.77% Q1 2026 May 14, 2026
SEI INVESTMENTS CO History New 31,008 58 0.0% 73 +31,008 New Q1 2026 May 13, 2026
Connor, Clark & Lunn Investment Management Ltd. History New 30,741 58 0.0% 74 +30,741 New Q1 2026 May 11, 2026
ENVESTNET ASSET MANAGEMENT INC History Reduced 30,586 58 0.0% 0.0% 72 -1,721 -5.33% Q1 2026 May 04, 2026
AMERIPRISE FINANCIAL INC History Reduced 29,430 55 0.0% 0.0% 75 -55,674 -65.42% Q1 2026 May 15, 2026
Vanguard Global Advisers, LLC History New 29,101 55 0.0% 77 +29,101 New Q1 2026 May 08, 2026
CREDIT AGRICOLE S A History No change 29,000 55 0.0% 0.0% 76 0 0.0% Q1 2026 May 15, 2026
Russell Investments Group, Ltd. History Added to 27,560 52 0.0% 0.0% 78 +3,213 13.2% Q1 2026 May 08, 2026
BARCLAYS PLC History Added to 26,713 50 0.0% 0.0% 79 +5,025 23.17% Q1 2026 May 14, 2026
Schonfeld Strategic Advisors LLC History New 23,969 45 0.0% 80 +23,969 New Q1 2026 May 15, 2026
BANK OF MONTREAL /CAN/ History New 21,000 39 0.0% 81 +21,000 New Q1 2026 May 13, 2026
NINE MASTS CAPITAL Ltd History New 20,612 39 0.01% 82 +20,612 New Q1 2026 May 12, 2026
Next Capital Management LLC History No change 20,000 38 0.01% 0.01% 83 0 0.0% Q1 2026 May 07, 2026
Westmount Partners, LLC History New 19,609 37 0.01% 85 +19,609 New Q1 2026 Apr 16, 2026
LIBERTY WEALTH MANAGEMENT LLC History No change 19,500 37 0.0% 0.0% 84 0 0.0% Q1 2026 May 12, 2026
PRUDENTIAL FINANCIAL INC History New 19,000 36 0.0% 86 +19,000 New Q1 2026 May 13, 2026
HighTower Advisors, LLC History No change 16,934 32 0.0% 0.0% 87 0 0.0% Q1 2026 May 05, 2026
RAYMOND JAMES FINANCIAL INC History New 16,373 31 0.0% 90 +16,373 New Q1 2026 May 14, 2026
Creative Planning History Reduced 16,500 31 0.0% 0.0% 88 -2,000 -10.81% Q1 2026 May 12, 2026
China Universal Asset Management Co., Ltd. History Added to 16,587 31 0.0% 0.0% 89 +1,356 8.9% Q1 2026 Apr 27, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 15,678 29 0.0% 0.0% 91 -9,883 -38.66% Q1 2026 May 15, 2026
Bronte Capital Management Pty Ltd. History No change 15,627 29 0.0% 0.0% 92 0 0.0% Q1 2026 Apr 27, 2026
Modern Wealth Management, LLC History No change 15,000 29 0.0% 0.0% 93 0 0.0% Q1 2026 May 14, 2026
CTC Alternative Strategies, Ltd. History New 15,076 28 0.06% 95 +15,076 New Q1 2026 May 21, 2026
AXQ CAPITAL, LP History New 15,000 28 0.0% 96 +15,000 New Q1 2026 May 13, 2026
Cetera Investment Advisers History Reduced 14,781 28 0.0% 0.0% 94 -1,000 -6.34% Q1 2026 May 13, 2026
GREAT VALLEY ADVISOR GROUP, INC. History New 14,314 27 0.0% 97 +14,314 New Q1 2026 May 11, 2026
TWO SIGMA SECURITIES, LLC History New 13,052 24 0.0% 100 +13,052 New Q1 2026 May 15, 2026
PINNACLE ASSOCIATES LTD History No change 12,903 24 0.0% 0.0% 98 0 0.0% Q1 2026 Apr 21, 2026
Pinnacle Wealth Management Advisory Group, LLC History No change 12,903 24 0.0% 0.0% 99 0 0.0% Q1 2026 Apr 21, 2026
Jump Financial, LLC History New 12,460 23 0.0% 103 +12,460 New Q1 2026 May 14, 2026
Bank of New York Mellon Corp History Reduced 12,511 23 0.0% 0.0% 102 -445 -3.43% Q1 2026 May 05, 2026
HBK Sorce Advisory LLC History No change 12,344 23 0.0% 0.0% 101 0 0.0% Q1 2026 May 11, 2026
NewEdge Advisors, LLC History Added to 10,925 20 0.0% 0.0% 104 +525 5.05% Q1 2026 Jun 02, 2026
Quantinno Capital Management LP History New 10,436 19 0.0% 107 +10,436 New Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Reduced 10,347 19 0.0% 0.0% 106 -346 -3.24% Q1 2026 May 15, 2026
Chevy Chase Trust Holdings, LLC History No change 10,000 19 0.0% 0.0% 105 0 0.0% Q1 2026 May 15, 2026
Allworth Financial LP History No change 9,430 17 0.0% 0.0% 108 0 0.0% Q1 2026 May 14, 2026
Scarborough Advisors, LLC History New 8,420 15 0.0% 109 +8,420 New Q1 2026 May 07, 2026
Tower Research Capital LLC (TRC) History Reduced 6,022 11 0.0% 0.0% 110 -14,329 -70.41% Q1 2026 May 15, 2026
JPMORGAN CHASE & CO History Reduced 6,089 10 0.0% 0.0% 111 -512 -7.76% Q1 2026 May 13, 2026
Mirae Asset Global Investments Co., Ltd. History Added to 4,875 9 0.0% 0.0% 112 +333 7.33% Q1 2026 May 04, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Reduced 4,420 8 0.0% 0.0% 113 -2 -0.05% Q1 2026 May 08, 2026
Larson Financial Group LLC History No change 4,066 7 0.0% 0.0% 114 0 0.0% Q1 2026 May 15, 2026
Atlantic Union Bankshares Corp History No change 3,200 6 0.0% 0.0% 115 0 0.0% Q1 2026 May 12, 2026
ROYAL BANK OF CANADA History Reduced 2,462 5 0.0% 0.0% 116 -12,412 -83.45% Q1 2026 May 15, 2026
FEDERATED HERMES, INC. History No change 2,722 5 0.0% 0.0% 117 0 0.0% Q1 2026 May 11, 2026
Hilton Head Capital Partners, LLC History No change 3,000 5 0.0% 0.0% 118 0 0.0% Q1 2026 Apr 20, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 2,145 4 0.0% 0.0% 119 +267 14.22% Q1 2026 May 12, 2026
Nvest Wealth Strategies, Inc. History No change 2,525 4 0.0% 0.0% 120 0 0.0% Q1 2026 Apr 13, 2026
GF FUND MANAGEMENT CO. LTD. History Added to 2,099 3 0.0% 0.0% 122 +264 14.39% Q1 2026 Apr 15, 2026
NFSG Corp History No change 2,000 3 0.0% 0.0% 121 0 0.0% Q1 2026 May 05, 2026
HARBOUR INVESTMENTS, INC. History Added to 1,180 2 0.0% 0.0% 123 +180 18.0% Q1 2026 May 15, 2026
SUMMIT SECURITIES GROUP LLC History New 809 1 0.0% 129 +809 New Q1 2026 Apr 30, 2026
Fortitude Family Office, LLC History Added to 964 1 0.0% 0.0% 127 +318 49.23% Q1 2026 Apr 15, 2026
NISA INVESTMENT ADVISORS, LLC History No change 1,026 1 0.0% 0.0% 124 0 0.0% Q1 2026 Apr 30, 2026
Tradewinds Capital Management, LLC History No change 800 1 0.0% 0.0% 125 0 0.0% Q1 2026 Apr 14, 2026
Global Retirement Partners, LLC History No change 1,000 1 0.0% 0.0% 126 0 0.0% Q4 2025 Feb 06, 2026
TD Waterhouse Canada Inc. History No change 1,000 1 0.0% 0.0% 128 0 0.0% Q1 2026 May 12, 2026
DekaBank Deutsche Girozentrale History Closed out 0 0 0.0% -130,000 -100.0% Q1 2026 May 07, 2026
Siren, L.L.C. History Closed out 0 0 0.0% -105,347 -100.0% Q1 2026 May 14, 2026
ExodusPoint Capital Management, LP History Closed out 0 0 0.0% -77,704 -100.0% Q1 2026 May 14, 2026
Squarepoint Ops LLC History Closed out 0 0 0.0% -55,938 -100.0% Q1 2026 May 15, 2026
Lighthouse Investment Partners, LLC History Closed out 0 0 0.0% -44,160 -100.0% Q1 2026 May 14, 2026
CAPITAL ADVISORY GROUP ADVISORY SERVICES, LLC History Closed out 0 0 0.01% -12,314 -100.0% Q1 2026 Apr 15, 2026
Focus Partners Advisor Solutions, LLC History Closed out 0 0 0.0% -12,216 -100.0% Q1 2026 May 13, 2026
J.W. COLE ADVISORS, INC. History Closed out 0 0 0.0% -11,269 -100.0% Q1 2026 Apr 23, 2026
Optiver Holding B.V. History Closed out 0 0 0.0% -1,104 -100.0% Q1 2026 Jun 02, 2026
COUNTRY TRUST BANK History Closed out 0 0 0.0% -700 -100.0% Q1 2026 Apr 10, 2026
CWM, LLC History Reduced 137 0 0.0% -438 -76.17% Q1 2026 May 14, 2026
Advisory Services Network, LLC History New 114 0 +114 New Q1 2026 May 15, 2026
GILL CAPITAL PARTNERS, LLC History New 75 0 +75 New Q1 2026 Apr 13, 2026
Sunbelt Securities, Inc. History Closed out 0 0 -18 -100.0% Q1 2026 May 15, 2026
Arax Advisory Partners History Added to 65 0 +4 6.56% Q1 2026 May 13, 2026
Caitong International Asset Management Co., Ltd History New 3 0 +3 New Q1 2026 May 11, 2026
IFP Advisors, Inc History Closed out 0 0 -1 -100.0% Q1 2026 Apr 13, 2026
JONES FINANCIAL COMPANIES LLLP History No change 200 0 0 0.0% Q1 2026 May 15, 2026
SBI Securities Co., Ltd. History No change 92 0 0 0.0% Q1 2026 Apr 27, 2026
Farther Finance Advisors, LLC History No change 100 0 0 0.0% Q1 2026 Apr 07, 2026
Gen-Wealth Partners Inc History No change 136 0 0 0.0% Q1 2026 May 08, 2026
Signature Equity Partners, LLC History No change 177 0 0 0.0% Q1 2026 May 13, 2026
MCGUIRE CAPITAL ADVISORS INC History No change 10 0 0 0.0% Q1 2026 May 14, 2026