Sio Capital Management, LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1482416
NEW YORK, NY
Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$11,223,720
-$1,326,420 QoQ
Shares Held
18,000
+18.0% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
1.97%
of 13F equity value
Holder Rank
#273
of 1,297 holders
Holding Since
Sep 2023
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Sio Capital Management, LLC holds $224,951,128 across 32 Biotechnology names. REGN ranks #7 (5.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALLO |
Allogene Therapeutics, Inc.
|
13,323,431 | $27,712,736 | |
| 2 | TYRA |
Tyra Biosciences, Inc.
|
695,315 | $22,208,361 | |
| 3 | IDYA |
IDEAYA Biosciences, Inc.
|
480,383 | $17,903,874 | |
| 4 | ORKA |
Oruka Therapeutics, Inc.
|
177,118 | $16,856,320 | |
| 5 | RAPP |
Rapport Therapeutics, Inc.
|
307,657 | $12,820,067 | |
| 6 | CELC |
Celcuity Inc.
|
110,022 | $11,510,501 | |
| 7 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
18,000 | $11,223,720 | |
| 8 | VIR |
Vir Biotechnology, Inc.
|
1,075,274 | $10,957,042 |
All Filings in REGN
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,223,720 | 18,000 | Shares | Sole | 2026-08-14 | |
| 2023-09-30 | $12,550,140 | 15,250 | Shares | Sole | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||