Skip to main content

JANE STREET GROUP, LLC

Position in CMPX — Compass Therapeutics, Inc.

CIK 1595888 NEW YORK, NY

Position in CMPX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$131,301
-$244,936 QoQ
Shares Held
59,955
-14.4% QoQ
Ownership
0.033%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#103
of 213 holders
Holding Since
Sep 2022
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CMPX Over Time

Shares Held

Position Value (USD)

Derivatives in CMPX

reported options exposure · as of Jun 30, 2026
CallValue
$372,300
CallShares
170,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

JANE STREET GROUP, LLC holds $1,363,862,981 across 291 Biotechnology names. CMPX ranks #188 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CMPX

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $372,300 170,000
2026-06-30 $131,301 59,955
2025-12-31 $376,237 70,063
2025-09-30 $44,800 12,800
2025-09-30 $110,876 31,679
2025-06-30 $196,383 75,532
2025-06-30 $47,320 18,200
2025-03-31 $338,203 178,002
2025-03-31 $80,940 42,600
2024-12-31 $18,517 12,771
2024-09-30 $135,215 73,487
2024-06-30 $153,064 153,064
2024-03-31 $40,932 20,673
2023-12-31 $129,612 83,085
2023-03-31 $1,250,398 382,385
2022-12-31 $316,029 62,829
2022-09-30 $32,524 14,265