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MILLENNIUM MANAGEMENT LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1273087 NEW YORK, NY

Position in REGN

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$102,958,924
+$54,491,217 QoQ
Shares Held
165,120
+163.2% QoQ
Ownership
0.160%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#79
of 1,297 holders
Holding Since
Mar 2020
26 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
$21,449,776
CallShares
34,400
PutValue
$22,509,794
PutShares
36,100

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

MILLENNIUM MANAGEMENT LLC holds $4,595,539,054 across 322 Biotechnology names. REGN ranks #8 (2.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 REGN
Regeneron Pharmaceuticals, Inc.
This page
165,120 $102,958,924

All Filings in REGN

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $22,509,794 36,100
2026-06-30 $21,449,776 34,400
2026-06-30 $102,958,924 165,120
2026-03-31 $21,788,448 28,200
2026-03-31 $31,910,032 41,300
2026-03-31 $48,467,707 62,730
2025-12-31 $30,102,930 39,000
2025-12-31 $293,131,526 379,768
2025-12-31 $19,296,750 25,000
2025-09-30 $113,061,251 201,080
2025-09-30 $6,353,651 11,300
2025-09-30 $33,230,157 59,100
2025-06-30 $34,335,000 65,400
2025-06-30 $177,883,650 338,826
2025-06-30 $20,055,000 38,200
2025-03-31 $26,891,352 42,400
2025-03-31 $25,940,007 40,900
2025-03-31 $107,555,894 169,585
2024-12-31 $95,101,041 133,507
2024-12-31 $18,591,813 26,100
2024-12-31 $42,169,936 59,200
2024-09-30 $12,089,260 11,500
2024-09-30 $153,481,040 146,000
2024-09-30 $211,482,155 201,174
2024-06-30 $119,081,699 113,300
2024-06-30 $44,878,981 42,700
2024-06-30 $280,658,642 267,032
2024-03-31 $130,417,395 135,500
2024-03-31 $58,519,392 60,800
2024-03-31 $191,733,782 199,206
2023-12-31 $65,871,750 75,000
2023-12-31 $162,483,650 185,000
2023-12-31 $246,167,999 280,281
2023-09-30 $50,776,632 61,700
2023-09-30 $170,188,128 206,800
2023-09-30 $30,456,926 37,009
2023-06-30 $35,681,977 49,659
2023-06-30 $54,609,040 76,000
2023-06-30 $113,098,196 157,400
2023-03-31 $112,486,623 136,900
2023-03-31 $227,251,736 276,573
2023-03-31 $5,094,354 6,200
2022-12-31 $166,519,892 230,800
2022-12-31 $24,518,394 33,983
2022-12-31 $24,314,213 33,700
2022-09-30 $141,976,107 206,100
2022-09-30 $22,870,484 33,200
2022-09-30 $7,651,279 11,107
2022-06-30 $12,531,956 21,200
2022-06-30 $3,665,597 6,201