KLINGENSTEIN FIELDS & CO LP
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 859872
NEW YORK, NY
Position in REGN
as of Jun 30, 2026
· filed Aug 5, 2026
Position Value
$465,784
-$11,561,130 QoQ
Shares Held
747
-95.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#825
of 1,322 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority
Sole 23%
Shared 0%
None 77%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026KLINGENSTEIN FIELDS & CO LP holds $1,370,453 across 3 Biotechnology names. REGN ranks #2 (34.0% of the industry book) .
All Filings in REGN
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23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $465,784 | 747 | Shares | Sole | 2026-08-05 | |
| 2026-03-31 | $12,026,914 | 15,566 | Shares | Defined | 2026-05-13 | |
| 2025-12-31 | $12,299,748 | 15,935 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $9,037,365 | 16,073 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $8,451,975 | 16,099 | Shares | Defined | 2025-07-30 | |
| 2025-03-31 | $4,404,092 | 6,944 | Shares | Defined | 2025-04-28 | |
| 2024-12-31 | $4,848,117 | 6,806 | Shares | Defined | 2025-01-30 | |
| 2024-09-30 | $604,463 | 575 | Shares | Sole | 2024-10-29 | |
| 2024-06-30 | $604,342 | 575 | Shares | Sole | 2024-08-01 | |
| 2024-03-31 | $553,431 | 575 | Shares | Sole | 2024-04-29 | |
| 2023-12-31 | $505,016 | 575 | Shares | Sole | 2024-02-01 | |
| 2023-09-30 | $474,024 | 576 | Shares | Sole | 2023-10-27 | |
| 2023-06-30 | $413,879 | 576 | Shares | Sole | 2023-08-01 | |
| 2023-03-31 | $472,460 | 575 | Shares | Sole | 2023-04-28 | |
| 2022-12-31 | $414,856 | 575 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $396,100 | 575 | Shares | Sole | 2022-10-28 | |
| 2022-06-30 | $339,899 | 575 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $401,591 | 575 | Shares | Sole | 2022-04-27 | |
| 2021-12-31 | $505,216 | 800 | Shares | Sole | 2022-01-31 | |
| 2021-09-30 | $535,584 | 885 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $494,307 | 885 | Shares | Sole | 2021-07-26 | |
| 2021-03-31 | $418,728 | 885 | Shares | Sole | 2021-04-29 | |
| 2020-12-31 | $246,386 | 510 | Shares | Sole | 2021-02-02 | |
| No filing history on record for this holder in this stock. | ||||||