Position in PBYI
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,045,476
+$221,729 QoQ
Shares Held
128,912
0.0% QoQ
Ownership
0.250%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#44
of 161 holders
Holding Since
Sep 2025
4 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PBYI 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. PBYI ranks #1 (33.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PBYI |
Puma Biotechnology, Inc.
This page
|
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 PBYI
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4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,045,476 | 128,912 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $823,747 | 128,912 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $624,999 | 105,042 | Shares | Sole | 2026-04-07 | |
| 2025-09-30 | $347,252 | 65,396 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||