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ALLIANCEBERNSTEIN L.P.

Position in CMPX — Compass Therapeutics, Inc.

CIK 1109448 NASHVILLE, TN

Position in CMPX

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$354,517
-$89,525 QoQ
Shares Held
161,880
+92.9% QoQ
Ownership
0.090%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#70
of 213 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CMPX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

ALLIANCEBERNSTEIN L.P. holds $5,177,847,011 across 257 Biotechnology names. CMPX ranks #188 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CMPX

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $354,517 161,880
2026-03-31 $444,042 83,940
2025-12-31 $450,757 83,940
2025-09-30 $364,560 104,160
2025-06-30 $303,342 116,670
2025-03-31 $40,736 21,440
2024-12-31 $31,088 21,440
2024-09-30 $44,491 24,180
2024-06-30 $24,180 24,180
2024-03-31 $26,690 13,480
2023-12-31 $21,028 13,480
2023-09-30 $26,555 13,480
2023-06-30 $35,806 11,260