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683 Capital Management, LLC

Position in MREO — Mereo BioPharma Group plc

CIK 1404574 NEW YORK, NY

Position in MREO

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$3,745,358
-$214,642 QoQ
Shares Held
11,777,856
-1.9% QoQ
Ownership
7.38%
of shares outstanding
% of Portfolio
0.36%
of 13F equity value
Holder Rank
#2
of 58 holders
Holding Since
Dec 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MREO Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

683 Capital Management, LLC holds $349,034,024 across 34 Biotechnology names. MREO ranks #20 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MREO

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16 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,745,358 11,777,856
2026-03-31 $3,960,000 12,000,000
2025-12-31 $6,265,425 15,025,000
2025-12-29 $18,548,887 65,083,815
2025-09-30 $10,042,500 4,875,000
2025-06-30 $11,788,500 4,350,000
2025-03-31 $10,428,750 4,635,000
2024-12-31 $15,925,000 4,550,000
2024-09-30 $19,932,678 4,849,800
2024-06-30 $18,000,000 5,000,000
2024-03-31 $18,975,000 5,750,000
2023-12-31 $14,322,000 6,200,000
2023-09-30 $7,740,000 6,000,000
2023-06-30 $7,128,000 5,400,000
2023-03-31 $1,414,000 2,000,000
2022-12-31 $93,750 125,000