Security Snapshot

Caribou Biosciences, Inc. - Common Stock (CRBU) Institutional Ownership

CUSIP: 142038108

13F Institutional Holders and Ownership History from Q3 2021 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

121

Shares (Excl. Options)

37,003,216

Price

$1.59

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Type / Class
Equity / Common Stock
Symbol
CRBU on Nasdaq
Shares outstanding
92,189,700
Price per share
$1.90
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
37,003,216
Total reported value
$58,834,815
% of total 13F portfolios
0%
Share change
-7,989
Value change
-$1,171,712
Number of holders
121
Price from insider filings
$1.90
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • CRBU - Caribou Biosciences, Inc. - Common Stock is tracked under CUSIP 142038108.
  • 121 institutions reported positions in Q4 2025.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 121 to 13 between Q4 2025 and Q1 2026.
  • Reported value moved from $58,834,815 to $1,183,148.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 121 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 142038108?
CUSIP 142038108 identifies CRBU - Caribou Biosciences, Inc. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Caribou Biosciences, Inc. - Common Stock (CRBU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Haurwitz Rachel E. 5% $4,008,603 4,716,003 Rachel E. Haurwitz 22 Apr 2025
VANGUARD GROUP INC 4.9% $3,843,727 4,522,032 The Vanguard Group 31 Mar 2025
BANK OF AMERICA CORP /DE/ 2.2% $1,658,405 1,951,065 BANK OF AMERICA CORP /DE/ 31 Dec 2024
BlackRock, Inc. 2% -69% $2,323,180 -$5,591,740 1,843,794 -71% BlackRock, Inc. 30 Jun 2025

As of 31 Dec 2025, 121 institutional investors reported holding 37,003,216 shares of Caribou Biosciences, Inc. - Common Stock (CRBU). This represents 40% of the company’s total 92,189,700 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Caribou Biosciences, Inc. - Common Stock (CRBU) together control 34% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Pfizer Inc 5.1% 4,690,431 0% 3.2% $7,457,785
VANGUARD GROUP INC 4.7% 4,304,198 +1.8% 0% $6,843,676
Kynam Capital Management, LP 2.7% 2,503,302 -18% 0.26% $3,980,250
BlackRock, Inc. 2.3% 2,141,023 +47% 0% $3,404,227
RENAISSANCE TECHNOLOGIES LLC 1.8% 1,639,857 +110% 0% $2,607,373
Aberdeen Group plc 1.5% 1,388,905 0% 0% $2,208,359
TWO SIGMA ADVISERS, LP 1.2% 1,115,700 -9.1% 0% $1,773,963
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1.1% 1,031,375 +131% 0% $1,639,887
TWO SIGMA INVESTMENTS, LP 1.1% 1,020,079 +30% 0% $1,621,926
DIMENSIONAL FUND ADVISORS LP 1.1% 1,006,010 -17% 0% $1,599,556
BANK OF AMERICA CORP /DE/ 1.1% 993,186 -7.6% 0% $1,579,166
GEODE CAPITAL MANAGEMENT, LLC 1.1% 976,813 -0.84% 0% $1,553,785
PFM Health Sciences, LP 1% 957,787 -30% 0.15% $1,522,881
MARSHALL WACE, LLP 0.96% 881,105 +600% 0% $1,400,957
JACOBS LEVY EQUITY MANAGEMENT, INC 0.89% 824,299 +136% 0.01% $1,310,635
MILLENNIUM MANAGEMENT LLC 0.83% 767,002 -76% 0% $1,219,533
FMR LLC 0.79% 725,968 -0.42% 0% $1,154,289
MAVERICK CAPITAL LTD 0.71% 652,542 0% 0.01% $1,037,542
UBS Group AG 0.69% 637,745 +100% 0% $1,014,015
Cambridge Investment Research Advisors, Inc. 0.63% 581,793 -0.1% 0% $925,000
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.6% 555,628 -0.51% 0% $883,449
CITADEL ADVISORS LLC 0.56% 515,429 +94% 0% $819,532
GOLDMAN SACHS GROUP INC 0.53% 489,138 +100% 0% $777,730
72 Investment Holdings, LLC 0.51% 474,067 0% 1.5% $753,767
STATE STREET CORP 0.46% 423,263 +9.6% 0% $672,988

Institutional Holders of Caribou Biosciences, Inc. - Common Stock (CRBU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 622,704 $1,183,148 -$135,409 $1.90 13
2025 Q4 37,003,216 $58,834,815 -$1,171,712 $1.59 121
2025 Q3 37,024,074 $86,267,579 -$6,898,753 $2.33 115
2025 Q2 40,657,539 $51,233,181 -$11,182,668 $1.26 128
2025 Q1 50,124,474 $45,767,240 -$8,735,404 $0.91 127
2024 Q4 58,137,691 $92,442,260 +$1,344,135 $1.59 130
2024 Q3 52,230,454 $102,372,092 -$1,215,533 $1.96 124
2024 Q2 53,030,028 $86,964,603 -$69,072,988 $1.64 136
2024 Q1 66,748,618 $342,979,667 -$13,445,660 $5.14 149
2023 Q4 69,081,626 $395,824,161 -$5,845,565 $5.73 143
2023 Q3 70,779,287 $338,477,161 +$132,380,976 $4.78 126
2023 Q2 43,715,651 $185,309,815 -$6,639,016 $4.25 117
2023 Q1 44,984,864 $238,314,447 +$6,834,942 $5.31 126
2022 Q4 43,609,398 $273,911,420 -$3,252,217 $6.28 132
2022 Q3 43,252,045 $456,982,599 +$65,340,908 $10.55 114
2022 Q2 37,333,019 $202,972,596 +$14,914,954 $5.43 116
2022 Q1 34,952,083 $321,058,661 +$23,111,728 $9.18 103
2021 Q4 30,588,325 $457,556,044 -$490,819 $15.09 90
2021 Q3 29,587,281 $693,431,752 +$646,473,752 $23.87 86