NORTH STAR ASSET MANAGEMENT INC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1056559
NEENAH, WI
Position in REGN
as of Mar 31, 2026
· filed May 6, 2026
Position Value
$569,435
+$567 QoQ
Shares Held
737
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2022
11 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 Mar 31, 2026NORTH STAR ASSET MANAGEMENT INC holds $9,303,998 across 8 Biotechnology names. REGN ranks #5 (6.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
6,859 | $3,062,817 | |
| 2 | EXEL |
Exelixis, Inc.
|
57,550 | $2,468,319 | |
| 3 | INCY |
Incyte Corp
|
14,408 | $1,356,080 | |
| 4 | IONS |
Ionis Pharmaceuticals Inc
|
16,610 | $1,247,244 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
737 | $569,435 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,103 | $364,949 | |
| 7 | CRSP |
CRISPR Therapeutics AG
|
4,525 | $215,254 | |
| 8 | ATNM |
Actinium Pharmaceuticals, Inc.
|
20,000 | $19,900 |
All Filings in REGN
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $569,435 | 737 | Shares | Sole | 2026-05-06 | |
| 2025-12-31 | $568,868 | 737 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $414,392 | 737 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $386,925 | 737 | Shares | Sole | 2025-08-12 | |
| 2024-09-30 | $291,193 | 277 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $291,135 | 277 | Shares | Sole | 2024-08-05 | |
| 2024-03-31 | $267,572 | 278 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $244,164 | 278 | Shares | Sole | 2024-02-01 | |
| 2023-09-30 | $228,782 | 278 | Shares | Sole | 2023-10-26 | |
| 2023-03-31 | $230,889 | 281 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $202,017 | 280 | Shares | Sole | 2023-03-06 | |
| No filing history on record for this holder in this stock. | ||||||