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Game Creek Capital, LP

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1731132 BOSTON, MA

Position in REGN

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$1,699,146
-$2,569,690 QoQ
Shares Held
2,725
-50.7% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.74%
of 13F equity value
Holder Rank
#546
of 1,322 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in REGN Over Time

Shares Held

Position Value (USD)

Derivatives in REGN

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$311,770
PutShares
500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Game Creek Capital, LP holds $1,699,146 across 1 Biotechnology name. REGN ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 REGN
Regeneron Pharmaceuticals, Inc.
This page
2,725 $1,699,146

All Filings in REGN

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,699,146 2,725
2026-06-30 $311,770 500
2026-03-31 $772,640 1,000
2026-03-31 $4,268,836 5,525
2025-12-31 $6,510,723 8,435
2025-09-30 $2,769,179 4,925
2025-06-30 $1,614,375 3,075