MERCER INTERNATIONAL INC. - MERC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
IAT REINSURANCE CO LTD. History No change 17,220,000 24,452 7.9% 9.98% 1 0 0.0% Q1 2026 May 13, 2026
REDWOOD CAPITAL MANAGEMENT, LLC History No change 4,648,133 6,600 0.98% 0.99% 2 0 0.0% Q1 2026 May 15, 2026
BARCLAYS PLC History Added to 3,320,081 4,714 0.0% 0.0% 3 +2,580,746 349.06% Q1 2026 May 14, 2026
TORONTO DOMINION BANK History No change 3,300,000 4,686 0.01% 0.01% 4 0 0.0% Q1 2026 May 15, 2026
Atlas FRM LLC History No change 3,150,000 4,473 0.29% 0.61% 5 0 0.0% Q1 2026 May 14, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 2,554,086 3,626 0.0% 0.0% 6 -265,188 -9.41% Q1 2026 May 07, 2026
READYSTATE ASSET MANAGEMENT LP History Reduced 1,383,838 1,965 0.09% 0.2% 7 -1,168,159 -45.77% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 828,440 1,640 0.0% 0.0% 8 0 0.0% Q4 2025 Jan 29, 2026
BlackRock, Inc. History Added to 1,101,981 1,564 0.0% 0.0% 9 +61,264 5.89% Q1 2026 May 13, 2026
WHITEBOX ADVISORS LLC History Added to 1,057,658 1,501 0.02% 0.02% 10 +371,639 54.17% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History Added to 1,056,790 1,500 0.0% 0.0% 11 +162,090 18.12% Q1 2026 May 11, 2026
AMERICAN CENTURY COMPANIES INC History Reduced 1,012,593 1,437 0.0% 0.0% 12 -145,484 -12.56% Q1 2026 May 15, 2026
Solas Capital Management, LLC History Reduced 790,338 1,122 0.65% 1.81% 13 -816,977 -50.83% Q1 2026 May 15, 2026
FRANKLIN RESOURCES INC History New 787,371 1,118 0.0% 15 +787,371 New Q1 2026 May 13, 2026
Benefit Street Partners LLC History Added to 787,371 1,118 1.29% 0.14% 14 +723,686 1136.35% Q1 2026 Apr 20, 2026
D. E. Shaw & Co., Inc. History Reduced 615,223 873 0.0% 0.0% 16 -270,695 -30.56% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Added to 505,490 718 0.04% 0.03% 17 +314,716 164.97% Q1 2026 May 08, 2026
GEODE CAPITAL MANAGEMENT, LLC History Reduced 478,224 679 0.0% 0.0% 18 -82,777 -14.76% Q1 2026 May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 477,644 678 0.0% 19 +477,644 New Q1 2026 May 15, 2026
Verition Fund Management LLC History Added to 408,317 579 0.0% 0.0% 20 +99,695 32.3% Q1 2026 May 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History Added to 388,849 552 0.01% 0.02% 21 +9,117 2.4% Q1 2026 May 15, 2026
AEGIS FINANCIAL CORP History No change 308,927 438 0.08% 0.15% 22 0 0.0% Q1 2026 May 13, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 249,246 353 0.0% 0.0% 23 +1,760 0.71% Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 217,648 309 0.0% 24 +217,648 New Q1 2026 May 08, 2026
STATE STREET CORP History No change 216,113 306 0.0% 0.0% 25 0 0.0% Q1 2026 May 15, 2026
UBS Group AG History Added to 174,070 247 0.0% 0.0% 26 +121,489 231.05% Q1 2026 May 05, 2026
CITADEL ADVISORS LLC History Reduced 165,339 234 0.0% 0.0% 27 -95,846 -36.7% Q1 2026 May 15, 2026
Empowered Funds, LLC History New 151,736 215 0.0% 28 +151,736 New Q1 2026 May 14, 2026
Merrion Investment Management Co, LLC History No change 150,000 213 0.11% 0.16% 29 0 0.0% Q1 2026 Apr 23, 2026
Cerity Partners LLC History No change 150,080 213 0.0% 0.0% 30 0 0.0% Q1 2026 May 15, 2026
MARSHALL WACE, LLP History New 140,803 199 0.0% 31 +140,803 New Q1 2026 May 14, 2026
Graham Capital Management, L.P. History Added to 135,587 192 0.0% 0.01% 32 +29,332 27.61% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History No change 119,180 169 0.0% 0.0% 33 0 0.0% Q1 2026 May 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 116,373 165 0.0% 34 +116,373 New Q1 2026 May 08, 2026
WOLVERINE ASSET MANAGEMENT LLC History Reduced 66,100 93 0.0% 0.01% 35 -277,500 -80.76% Q1 2026 May 04, 2026
XTX Topco Ltd History New 63,466 90 0.0% 36 +63,466 New Q1 2026 May 15, 2026
OPPENHEIMER & CO INC History Reduced 62,879 89 0.0% 0.01% 37 -358,100 -85.06% Q1 2026 Apr 23, 2026
GOLDMAN SACHS GROUP INC History Reduced 61,181 86 0.0% 0.0% 38 -48,754 -44.35% Q1 2026 May 15, 2026
Assenagon Asset Management S.A. History Reduced 58,894 83 0.0% 0.0% 39 -125,823 -68.12% Q1 2026 Apr 20, 2026
TUDOR INVESTMENT CORP ET AL History New 56,485 80 0.0% 40 +56,485 New Q1 2026 May 15, 2026
SHUFRO ROSE & CO LLC History Reduced 54,500 77 0.01% 0.01% 41 -16,800 -23.56% Q1 2026 May 15, 2026
Engineers Gate Manager LP History Added to 51,989 73 0.0% 0.0% 42 +20,956 67.53% Q1 2026 May 15, 2026
Susquehanna Portfolio Strategies, LLC History Reduced 48,961 69 0.0% 0.0% 43 -39,977 -44.95% Q1 2026 May 15, 2026
Invesco Ltd. History Added to 39,288 55 0.0% 0.0% 44 +6,563 20.06% Q1 2026 May 12, 2026
Net Worth Advisory Group History Reduced 32,581 46 0.01% 0.01% 45 -1,777 -5.17% Q1 2026 May 05, 2026
Beacon Pointe Advisors, LLC History No change 31,819 45 0.0% 0.0% 46 0 0.0% Q1 2026 May 15, 2026
R Squared Ltd History Added to 29,971 42 0.02% 0.02% 47 +11,103 58.85% Q1 2026 Apr 29, 2026
Point72 Asset Management, L.P. History New 21,698 30 0.0% 48 +21,698 New Q1 2026 May 15, 2026
Centiva Capital, LP History Reduced 20,931 29 0.0% 0.0% 49 -39,941 -65.61% Q1 2026 May 14, 2026
Daytona Street Capital LLC History No change 20,000 28 0.02% 0.03% 50 0 0.0% Q1 2026 Apr 10, 2026
Squarepoint Ops LLC History Added to 18,517 26 0.0% 0.0% 52 +6,440 53.32% Q1 2026 May 15, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History No change 17,659 26 0.0% 0.0% 51 0 0.0% Q1 2026 May 15, 2026
Virtu Financial LLC History New 16,809 24 0.0% 54 +16,809 New Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History Reduced 18,470 24 0.0% 0.0% 53 -6,910 -27.23% Q1 2026 May 13, 2026
LPL Financial LLC History No change 16,558 23 0.0% 0.0% 55 0 0.0% Q1 2026 May 06, 2026
RENAISSANCE TECHNOLOGIES LLC History Reduced 16,011 22 0.0% 0.0% 56 -11,500 -41.8% Q1 2026 May 14, 2026
KESTRA PRIVATE WEALTH SERVICES, LLC History Added to 16,000 22 0.0% 0.0% 57 +2,500 18.52% Q1 2026 Apr 20, 2026
Vanguard Global Advisers, LLC History New 14,847 21 0.0% 58 +14,847 New Q1 2026 May 08, 2026
Jain Global LLC History New 10,175 14 0.0% 61 +10,175 New Q1 2026 May 15, 2026
FMR LLC History Added to 10,527 14 0.0% 0.0% 59 +3,226 44.19% Q1 2026 May 15, 2026
Joel Isaacson & Co., LLC History No change 10,000 14 0.0% 0.0% 60 0 0.0% Q1 2026 Apr 22, 2026
Arax Advisory Partners History Reduced 9,397 13 0.0% 0.0% 62 -3 -0.03% Q1 2026 May 13, 2026
TD Waterhouse Canada Inc. History Added to 8,600 11 0.0% 0.0% 63 +6,900 405.88% Q1 2026 May 12, 2026
MORGAN STANLEY History Reduced 6,690 9 0.0% 0.0% 64 -220,413 -97.05% Q1 2026 May 15, 2026
ROYAL BANK OF CANADA History Reduced 4,600 7 0.0% 0.0% 65 -1,300 -22.03% Q1 2026 May 15, 2026
NATIONAL BANK OF CANADA /FI/ History No change 3,200 4 0.0% 0.0% 66 0 0.0% Q1 2026 May 14, 2026
Zurcher Kantonalbank (Zurich Cantonalbank) History No change 2,549 3 0.0% 0.0% 67 0 0.0% Q1 2026 May 15, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History New 1,900 2 0.0% 68 +1,900 New Q1 2026 May 07, 2026
RHUMBLINE ADVISERS History No change 1,325 1 0.0% 0.0% 69 0 0.0% Q1 2026 May 12, 2026
Olistico Wealth, LLC History No change 755 1 0.0% 0.0% 70 0 0.0% Q1 2026 Apr 08, 2026
Diameter Capital Partners LP History Closed out 0 0 0.2% -1,100,397 -100.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -125,171 -100.0% Q1 2026 May 12, 2026
Qube Research & Technologies Ltd History Closed out 0 0 0.0% -51,970 -100.0% Q1 2026 May 15, 2026
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC History Closed out 0 0 0.0% -42,610 -100.0% Q1 2026 Apr 08, 2026
Quadrature Capital Ltd History Closed out 0 0 0.0% -37,009 -100.0% Q1 2026 May 15, 2026
ACADIAN ASSET MANAGEMENT LLC History Closed out 0 0 0.0% -26,868 -100.0% Q1 2026 May 13, 2026
Banco BTG Pactual S.A. History Closed out 0 0 0.01% -24,600 -100.0% Q1 2026 May 12, 2026
MILLENNIUM MANAGEMENT LLC History Closed out 0 0 0.0% -22,158 -100.0% Q1 2026 May 15, 2026
CITIGROUP INC History Closed out 0 0 0.0% -17,556 -100.0% Q1 2026 May 11, 2026
AXQ CAPITAL, LP History Closed out 0 0 0.0% -10,985 -100.0% Q1 2026 May 13, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Closed out 0 0 0.0% -8,741 -100.0% Q1 2026 May 14, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -4,968 -100.0% Q1 2026 May 15, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Closed out 0 0 -348 -100.0% Q1 2026 May 08, 2026
Transamerica Financial Advisors, LLC History New 163 0 +163 New Q1 2026 May 15, 2026
Advisory Services Network, LLC History New 98 0 +98 New Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Closed out 0 0 -75 -100.0% Q1 2026 May 15, 2026
BNP PARIBAS FINANCIAL MARKETS History Reduced 447 0 -22 -4.69% Q1 2026 May 12, 2026
Caitong International Asset Management Co., Ltd History New 1 0 +1 New Q1 2026 May 11, 2026
Intesa Sanpaolo S.p.A. History No change 14 0 0 0.0% Q1 2026 May 15, 2026
CWM, LLC History No change 23 0 0 0.0% Q1 2026 May 14, 2026
SBI Securities Co., Ltd. History No change 411 0 0 0.0% Q1 2026 Apr 27, 2026
Farther Finance Advisors, LLC History No change 44 0 0 0.0% Q1 2026 Apr 07, 2026