DOSSIER · 13F Holders · Q4 2025
MERC

MERCER INTL INC

68 institutions still hold MERCER INTL INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 588056101·68 13F holders·last filed Dec 31, 2025
Market cap
—
13F value held
$19M
visible holders
Holders
68
filers reporting
Concentration
26.16%
READYSTATE ASSET MANAGEMENT LP #1
top holder share
AI Holders Summary · Q4 2025

68 institutions reported MERC in Q4 2025. READYSTATE ASSET MANAGEMENT LP leads at 26.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$5M2.6M0.20%Q4 2025
02
REDWOOD CAPITAL MANAGEMENT, LLC
CIK 0001316622
$3M4.6M0.33%Q2 2026
03
TORONTO DOMINION BANK
CIK 0000947263
$2M3.3M0.00%Q2 2026
04
D. E. Shaw & Co., Inc.
CIK 0001009207
$2M886K0.00%Q4 2025
05
BARCLAYS PLC
CIK 0000312069
$1M3.5M0.00%Q3 2026
06
WHITEBOX ADVISORS LLC
CIK 0001257391
$969K1.5M0.01%Q2 2026
07
BlackRock, Inc.
CIK 0002012383
$798K1.2M0.00%Q2 2026
08
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$718K505K0.04%Q1 2026
09
Benefit Street Partners LLC
CIK 0001543160
$520K787K0.75%Q2 2026
10
FRANKLIN RESOURCES INC
CIK 0000038777
$520K787K0.00%Q2 2026
11
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$425K1.4M0.00%Q3 2026
12
IAT REINSURANCE CO LTD.
CIK 0001633625
$416K18.2M0.25%Q2 2026
13
Atlas FRM LLC
CIK 0001879898
$394K597K0.02%Q2 2026
14
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$314K476K0.00%Q2 2026
15
Verition Fund Management LLC
CIK 0001454027
$269K408K0.00%Q2 2026
16
AEGIS FINANCIAL CORP
CIK 0001140753
$204K309K0.03%Q2 2026
17
MARSHALL WACE, LLP
CIK 0001318757
$190K288K0.00%Q2 2026
18
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$152K490K0.00%Q3 2026
19
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$145K219K0.00%Q2 2026
20
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$145K219K0.00%Q2 2026
Page 1 of 4
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Insiders at MERCER INTL INC
Kellogg Peter R →Beck Wolfgang →Ridder Wolfram →Arguin Guy →Short Richard George →Stannus Genevieve →Alekson Cynthia Margaret →Heine Eric Xavier →