STATE OF WISCONSIN INVESTMENT BOARD
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 854157
MADISON, WI
Position in REGN
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$34,473,655
-$8,233,248 QoQ
Shares Held
55,287
+0.0% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#151
of 1,322 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)
Position in Biotechnology
Healthcare · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $511,704,326 across 163 Biotechnology names. REGN ranks #2 (6.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
135,798 | $67,454,940 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
55,287 | $34,473,655 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
70,171 | $21,123,576 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
83,892 | $15,711,293 | |
| 5 | XENE |
Xenon Pharmaceuticals Inc.
|
248,821 | $15,018,835 | |
| 6 | MRNA |
Moderna, Inc.
|
207,705 | $14,545,581 | |
| 7 | INSM |
INSMED Inc
|
118,057 | $12,587,237 | |
| 8 | RPRX |
Royalty Pharma plc
|
213,373 | $11,963,824 |
All Filings in REGN
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $34,473,655 | 55,287 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $42,706,903 | 55,274 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $45,601,307 | 59,079 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $34,907,970 | 62,084 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $29,931,300 | 57,012 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $42,280,942 | 66,665 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $42,663,580 | 59,893 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $67,464,378 | 64,176 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $60,364,857 | 57,434 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $55,230,563 | 57,383 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $48,905,822 | 55,683 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $47,243,664 | 57,407 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $47,672,254 | 66,346 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $54,580,251 | 66,426 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $49,020,916 | 67,944 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $48,701,042 | 70,697 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $51,022,794 | 86,314 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $64,112,860 | 91,797 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $42,165,958 | 66,769 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $43,749,672 | 72,292 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $36,657,538 | 65,631 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $35,177,959 | 74,350 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $41,157,590 | 85,193 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $47,963,629 | 85,683 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $73,056,855 | 117,144 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $22,192,780 | 45,450 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||