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Equibles

TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in GTBP — GT Biopharma, Inc.

CIK 1450144 NEW YORK, NY
Back to GTBP Full portfolio

Position in GTBP

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$6,559
-$6,413 QoQ
Shares Held
535
-57.9% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 57 holders
Holding Since
Sep 2023
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GTBP Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

TWO SIGMA SECURITIES, LLC holds $22,799,600 across 103 Biotechnology names. GTBP ranks #89 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 REGN
Regeneron Pharmaceuticals, Inc.
 5,761 $3,592,213
2 ALNY
Alnylam Pharmaceuticals, Inc.
 5,585 $1,681,252
3 BBIO
BridgeBio Pharma, Inc.
 17,689 $1,317,476
4 MDGL
Madrigal Pharmaceuticals, Inc.
 2,219 $1,191,492
5 INSM
INSMED Inc
 10,338 $1,102,237
6 HALO
Halozyme Therapeutics, Inc.
 12,525 $980,331
7 ARWR
Arrowhead Pharmaceuticals, Inc.
 11,256 $917,476
8 AXSM
Axsome Therapeutics, Inc.
 3,708 $907,607

All Filings in GTBP

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,559 13,386
2026-03-31 $12,972 31,796
2025-12-31 $9,839 12,534
2025-09-30 $10,017 17,065
2023-12-31 $9,480 37,180
2023-09-30 $7,461 30,959