Position in REGN
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$204,749
-$154,170 QoQ
Shares Held
265
-43.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
16 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in REGN Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Round Rock Advisors LLC holds $3,162,164 across 6 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PBYI |
Puma Biotechnology, Inc.
|
128,912 | $1,045,476 | |
| 2 | GLUE |
Monte Rosa Therapeutics, Inc.
|
37,229 | $900,941 | |
| 3 | FENC |
Fennec Pharmaceuticals Inc.
|
48,683 | $523,342 | |
| 4 | HALO |
Halozyme Therapeutics, Inc.
|
5,362 | $419,683 | |
| 5 | TGTX |
Tg Therapeutics, Inc.
|
4,964 | $272,722 | |
| 6 | 32,438 | $0 |
All Filings in REGN
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $204,749 | 265 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $358,919 | 465 | Shares | Sole | 2026-04-07 | |
| 2025-09-30 | $258,644 | 460 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $399,000 | 760 | Shares | Sole | 2025-08-06 | |
| 2025-03-31 | $230,859 | 364 | Shares | Sole | 2025-04-30 | |
| 2024-12-31 | $256,438 | 360 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $378,446 | 360 | Shares | Sole | 2024-11-04 | |
| 2024-06-30 | $378,370 | 360 | Shares | Sole | 2024-08-02 | |
| 2024-03-31 | $354,196 | 368 | Shares | Sole | 2024-04-24 | |
| 2023-12-31 | $404,013 | 460 | Shares | Sole | 2024-01-29 | |
| 2023-09-30 | $378,561 | 460 | Shares | Sole | 2023-10-16 | |
| 2023-06-30 | $330,528 | 460 | Shares | Sole | 2023-07-20 | |
| 2023-03-31 | $295,801 | 360 | Shares | Sole | 2023-05-02 | |
| 2022-12-31 | $259,736 | 360 | Shares | Sole | 2023-01-19 | |
| 2022-09-30 | $254,881 | 370 | Shares | Sole | 2022-10-20 | |
| 2022-06-30 | $218,718 | 370 | Shares | Sole | 2022-07-22 | |
| No filing history on record for this holder in this stock. | ||||||