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RHUMBLINE ADVISERS

Position in CRBU — Caribou Biosciences, Inc.

CIK 1115418 BOSTON, MA

Position in CRBU

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$120,684
+$14,238 QoQ
Shares Held
68,571
-41.2% QoQ
Ownership
0.064%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#51
of 137 holders
Holding Since
Sep 2021
16 quarters on record
Voting authority Sole 24% Shared 0% None 76%

Common Shares in CRBU Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,404,724,682 across 329 Biotechnology names. CRBU ranks #267 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CRBU

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $120,684 68,571
2025-03-31 $106,446 116,590
2024-12-31 $204,249 128,459
2024-09-30 $248,771 126,924
2024-06-30 $204,860 124,915
2024-03-31 $629,737 122,517
2023-12-31 $682,225 119,062
2023-09-30 $517,186 108,198
2023-06-30 $367,676 86,512
2023-03-31 $464,481 87,473
2022-12-31 $535,169 85,218
2022-09-30 $895,357 84,868
2022-06-30 $414,515 76,338
2022-03-31 $443,926 48,358
2021-12-31 $297,650 19,725
2021-09-30 $420,088 17,599