DOSSIER · 13F Holders · Q2 2026
CRBU

CARIBOU BIOSCIENCES INC

141 institutions still hold CARIBOU BIOSCIENCES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 142038108·141 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$70M
visible holders
Holders
141
filers reporting
Concentration
19.73%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

141 institutions reported CRBU in Q2 2026. BlackRock, Inc. leads at 19.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$14M7.8M0.00%Q2 2026
02
PFIZER INC
CIK 0000078003
$8M4.7M4.63%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$7M4.2M0.00%Q2 2026
04
MACKENZIE FINANCIAL CORP
CIK 0000919859
$6M3.7M0.01%Q2 2026
05
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$5M2.8M0.01%Q2 2026
06
Kynam Capital Management, LP
CIK 0001907884
$4M2.5M0.24%Q2 2026
07
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M2.4M0.00%Q2 2026
08
STATE STREET CORP
CIK 0000093751
$3M1.6M0.00%Q2 2026
09
BANK OF AMERICA CORP /DE/
CIK 0000070858
$2M1.4M0.00%Q2 2026
10
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M1.0M0.00%Q2 2026
11
TWO SIGMA ADVISERS, LP
CIK 0001478735
$2M1.1M0.00%Q4 2025
12
ACADIAN ASSET MANAGEMENT LLC
CIK 0000916542
$2M925K0.00%Q1 2026
13
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$2M975K0.00%Q2 2026
14
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$1M776K0.00%Q2 2026
15
FMR LLC
CIK 0000315066
$1M727K0.00%Q2 2026
16
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M713K0.00%Q2 2026
17
MAVERICK CAPITAL LTD
CIK 0000934639
$1M653K0.01%Q1 2026
18
Vanguard Portfolio Management
CIK 0002100121· Index
$1M614K0.00%Q2 2026
19
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$1M606K0.00%Q2 2026
20
Cambridge Investment Research Advisors, Inc.
CIK 0001419186
$1M547K0.00%Q1 2026
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Insiders at CARIBOU BIOSCIENCES INC
Albertson Tina M.Mcclung Barbara GKhan Ruhi AhmadKelly Timothy PHaurwitz Rachel E.Ryali SriramBraunstein ScottGuggenhime Andrew