Clear Harbor Asset Management, LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1511857
Stamford, CT
Position in REGN
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$4,745,139
-$3,657,321 QoQ
Shares Held
7,610
-30.0% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#397
of 1,322 holders
Holding Since
Mar 2021
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Derivatives in REGN
reported options exposure · as of Dec 31, 2023CallValue
$351,316
CallShares
400
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Biotechnology
Healthcare · as of Jun 30, 2026Clear Harbor Asset Management, LLC holds $6,083,006 across 9 Biotechnology names. REGN ranks #1 (78.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
This page
|
7,610 | $4,745,139 | |
| 2 | ANAB |
Anaptysbio, Inc
|
11,550 | $779,625 | |
| 3 | QURE |
uniQure N.V.
|
4,300 | $198,058 | |
| 4 | ABUS |
Arbutus Biopharma Corp
|
27,000 | $129,600 | |
| 5 | IBRX |
ImmunityBio, Inc.
|
10,000 | $87,550 | |
| 6 | CABA |
Cabaletta Bio, Inc.
|
19,500 | $60,645 | |
| 7 | CNTX |
Context Therapeutics Inc.
|
92,804 | $51,413 | |
| 8 | ALLO |
Allogene Therapeutics, Inc.
|
10,000 | $20,800 |
All Filings in REGN
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,745,139 | 7,610 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $8,402,460 | 10,875 | Shares | Sole | 2026-05-05 | |
| 2025-12-31 | $8,154,034 | 10,564 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $5,980,865 | 10,637 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,419,975 | 8,419 | Shares | Sole | 2025-07-14 | |
| 2025-03-31 | $4,314,666 | 6,803 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,861,540 | 5,421 | Shares | Sole | 2025-01-17 | |
| 2024-09-30 | $2,538,744 | 2,415 | Shares | Sole | 2024-10-24 | |
| 2024-06-30 | $2,516,165 | 2,394 | Shares | Sole | 2024-07-17 | |
| 2024-03-31 | $2,298,426 | 2,388 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $351,316 | 400 | Call | Sole | 2024-01-18 | |
| 2023-12-31 | $2,078,034 | 2,366 | Shares | Sole | 2024-01-18 | |
| 2023-09-30 | $1,852,482 | 2,251 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $1,623,181 | 2,259 | Shares | Sole | 2023-07-21 | |
| 2023-03-31 | $1,847,114 | 2,248 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $1,614,694 | 2,238 | Shares | Sole | 2023-01-20 | |
| 2022-09-30 | $1,498,981 | 2,176 | Shares | Sole | 2022-10-25 | |
| 2022-06-30 | $1,298,121 | 2,196 | Shares | Sole | 2022-07-20 | |
| 2022-03-31 | $1,528,142 | 2,188 | Shares | Sole | 2022-05-10 | |
| 2021-12-31 | $1,225,780 | 1,941 | Shares | Sole | 2022-01-21 | |
| 2021-09-30 | $1,166,181 | 1,927 | Shares | Sole | 2021-11-03 | |
| 2021-06-30 | $1,002,020 | 1,794 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $722,011 | 1,526 | Shares | Sole | 2021-04-14 | |
| No filing history on record for this holder in this stock. | ||||||