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Pfizer Inc

Position in CRBU — Caribou Biosciences, Inc.

CIK 78003 New York, NY

Position in CRBU

as of Mar 31, 2026 · filed May 12, 2026
Position Value
$8,911,818
+$1,454,033 QoQ
Shares Held
4,690,431
0.0% QoQ
Ownership
4.73%
of shares outstanding
% of Portfolio
3.52%
of 13F equity value
Holder Rank
#1
of 137 holders
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in CRBU Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Pfizer Inc holds $253,428,635 across 16 Biotechnology names. CRBU ranks #8 (3.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 CRBU
Caribou Biosciences, Inc.
This page
4,690,431 $8,911,818

All Filings in CRBU

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $8,911,818 4,690,431
2025-12-31 $7,457,785 4,690,431
2025-09-30 $10,928,704 4,690,431
2025-06-30 $5,909,943 4,690,431
2025-03-31 $4,282,363 4,690,431
2024-12-31 $7,457,785 4,690,431