GENERAL AMERICAN INVESTORS CO INC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 40417
NEW YORK, NY
Position in REGN
as of Mar 31, 2026
· filed May 1, 2026
Position Value
$24,231,535
+$24,149 QoQ
Shares Held
31,362
0.0% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
1.78%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
21 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026GENERAL AMERICAN INVESTORS CO INC holds $52,562,960 across 6 Biotechnology names. REGN ranks #1 (46.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
31,362 | $24,231,535 | |
| 2 | IDYA |
IDEAYA Biosciences, Inc.
|
280,261 | $9,338,296 | |
| 3 | RVMD |
Revolution Medicines, Inc.
|
62,545 | $6,082,501 | |
| 4 | SPRY |
ARS Pharmaceuticals, Inc.
|
727,154 | $5,839,046 | |
| 5 | MRVI |
Maravai Lifesciences Holdings, Inc.
|
1,716,193 | $4,856,826 | |
| 6 | VALN |
Valneva SE
|
354,361 | $2,214,756 |
All Filings in REGN
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21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $24,231,535 | 31,362 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $24,207,386 | 31,362 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $17,633,911 | 31,362 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $5,184,900 | 9,876 | Shares | Sole | 2025-08-01 | |
| 2025-03-31 | $9,434,805 | 14,876 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $10,596,621 | 14,876 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $12,484,526 | 11,876 | Shares | Sole | 2024-10-31 | |
| 2024-06-30 | $15,319,813 | 14,576 | Shares | Sole | 2024-08-05 | |
| 2024-03-31 | $14,029,254 | 14,576 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $14,558,535 | 16,576 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $13,641,384 | 16,576 | Shares | Sole | 2023-10-31 | |
| 2023-06-30 | $11,910,519 | 16,576 | Shares | Sole | 2023-08-03 | |
| 2023-03-31 | $12,387,496 | 15,076 | Shares | Sole | 2023-05-02 | |
| 2022-12-31 | $10,877,183 | 15,076 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $12,452,014 | 18,076 | Shares | Sole | 2022-10-31 | |
| 2022-06-30 | $12,458,655 | 21,076 | Shares | Sole | 2022-08-05 | |
| 2022-03-31 | $16,116,739 | 23,076 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $18,993,595 | 30,076 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $9,683,485 | 16,001 | Shares | Sole | 2021-11-01 | |
| 2021-06-30 | $7,261,578 | 13,001 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $5,441,583 | 11,501 | Shares | Sole | 2021-05-03 | |
| No filing history on record for this holder in this stock. | ||||||