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CHELSEA COUNSEL CO

Position in PRME — Prime Medicine, Inc.

CIK 1276755 Woodland Hills, CA

Position in PRME

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,657,031
+$867,071 QoQ
Shares Held
449,060
+97.8% QoQ
Ownership
0.248%
of shares outstanding
% of Portfolio
0.75%
of 13F equity value
Holder Rank
#35
of 186 holders
Holding Since
Dec 2022
15 quarters on record
Voting authority Sole 88% Shared 0% None 12%

Common Shares in PRME Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

CHELSEA COUNSEL CO holds $1,741,341 across 4 Biotechnology names. PRME ranks #1 (95.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PRME
Prime Medicine, Inc.
This page
449,060 $1,657,031

All Filings in PRME

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,657,031 449,060
2026-03-31 $789,960 227,000
2025-12-31 $787,690 227,000
2025-09-30 $1,153,483 208,210
2025-06-30 $514,278 208,210
2025-03-31 $414,337 208,210
2024-12-31 $545,397 186,780
2024-09-30 $304,530 78,690
2024-06-30 $399,326 77,690
2024-03-31 $35,000 5,000
2023-12-31 $44,300 5,000
2023-09-30 $5,724 600
2023-06-30 $8,790 600
2023-03-31 $7,380 600
2022-12-31 $11,148 600