Clearbridge Investments, LLC
Position in REGN — Regeneron Pharmaceuticals, Inc.
CIK 1348883
NEW YORK, NY
Position in REGN
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$39,679,591
-$17,335,059 QoQ
Shares Held
63,636
-13.8% QoQ
Ownership
0.062%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#144
of 1,322 holders
Holding Since
Jun 2020
10 quarters on record
Voting authority
Sole 88%
Shared 0%
None 12%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Clearbridge Investments, LLC holds $2,924,434,154 across 28 Biotechnology names. REGN ranks #17 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
2,342,915 | $1,163,796,167 | |
| 2 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,259,483 | $379,142,167 | |
| 3 | ARGX |
Argenx SE
|
253,776 | $235,445,759 | |
| 4 | TGTX |
Tg Therapeutics, Inc.
|
2,650,192 | $145,601,548 | |
| 5 | PTGX |
Protagonist Therapeutics, Inc
|
725,335 | $88,911,564 | |
| 6 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
696,473 | $77,329,397 | |
| 7 | INSM |
INSMED Inc
|
715,922 | $76,331,603 | |
| 8 | MIRM |
Mirum Pharmaceuticals, Inc.
|
639,734 | $74,893,659 |
All Filings in REGN
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $39,679,591 | 63,636 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $57,014,650 | 73,792 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $47,879,867 | 62,031 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $36,393,488 | 64,726 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $6,218,625 | 11,845 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $4,264,562 | 6,724 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $2,833,648 | 3,978 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $4,154,500 | 3,952 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,506,125 | 1,433 | Shares | Sole | 2024-08-27 | |
| 2020-06-30 | $49,892 | 80 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||