Position in GTBP
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$6,732
-$6,220 QoQ
Shares Held
16,500
0.0% QoQ
Ownership
0.046%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in GTBP Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Caitlin John, LLC holds $329,755 across 21 Biotechnology names. GTBP ranks #4 (2.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | HALO |
Halozyme Therapeutics, Inc.
|
4,302 | $278,037 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
31 | $13,842 | |
| 3 | DRTS |
Alpha Tau Medical Ltd.
|
1,765 | $12,478 | |
| 4 | GTBP |
GT Biopharma, Inc.
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|
16,500 | $6,732 | |
| 5 | NAGE |
Niagen Bioscience, Inc.
|
1,100 | $4,851 | |
| 6 | IBRX |
ImmunityBio, Inc.
|
500 | $3,835 | |
| 7 | ARGX |
Argenx SE
|
3 | $2,190 | |
| 8 | INSM |
INSMED Inc
|
10 | $1,635 |
All Filings in GTBP
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,732 | 16,500 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $12,952 | 16,500 | Shares | Sole | 2026-02-18 | |
| No filing history on record for this holder in this stock. | ||||||