MERC Mercer International Inc.
Mercer International Inc. (MERC) Institutional Ownership
What the institutions did with MERC last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| IAT REINSURANCE CO LTD. | 18.2M | 42.6% |
| REDWOOD CAPITAL MANAGEMENT, LLC | 4.6M | 10.9% |
| BARCLAYS PLC | 4.0M | 9.2% |
| TORONTO DOMINION BANK | 3.3M | 7.7% |
| DIMENSIONAL FUND ADVISORS LP | 2.0M | 4.6% |
| WHITEBOX ADVISORS LLC | 1.5M | 3.4% |
| BlackRock, Inc. | 1.2M | 2.8% |
| FRANKLIN RESOURCES INC | 787.4K | 1.8% |
| Benefit Street Partners LLC | 787.4K | 1.8% |
| Atlas FRM LLC | 596.8K | 1.4% |
| D. E. Shaw & Co., Inc. | 582.4K | 1.4% |
| GSA CAPITAL PARTNERS LLP | 574.5K | 1.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 500.4K | 1.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | 475.9K | 1.1% |
| Verition Fund Management LLC | 408.3K | 1.0% |
| AEGIS FINANCIAL CORP | 308.9K | 0.7% |
| MARSHALL WACE, LLP | 287.9K | 0.7% |
| VANGUARD FIDUCIARY TRUST CO | 219.4K | 0.5% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 219.0K | 0.5% |
| STATE STREET CORP | 215.6K | 0.5% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 204.6K | 0.5% |
| Squarepoint Ops LLC | 161.8K | 0.4% |
| Cerity Partners LLC | 150.1K | 0.4% |
| UBS Group AG | 150.0K | 0.4% |
| Merrion Investment Management Co, LLC | 150.0K | 0.4% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Atlas FRM LLC | Reduced | 3.2M | 596.8K | -2.6M |
| READYSTATE ASSET MANAGEMENT LP | Reduced | 1.4M | 30.0K | -1.4M |
| WELLS FARGO & COMPANY/MN | Reduced | 1.1M | 2.6K | -1.1M |
| AMERICAN CENTURY COMPANIES INC | Sold Out | 1.0M | 0 | -1.0M |
| IAT REINSURANCE CO LTD. | Increased | 17.2M | 18.2M | +1.0M |
| Solas Capital Management, LLC | Sold Out | 790.3K | 0 | -790.3K |
| BARCLAYS PLC | Increased | 3.3M | 4.0M | +630.9K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 2.6M | 2.0M | -590.7K |
| WHITEBOX ADVISORS LLC | Increased | 1.1M | 1.5M | +411.1K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Reduced | 388.8K | 204.6K | -184.2K |
| MARSHALL WACE, LLP | Increased | 140.8K | 287.9K | +147.1K |
| Squarepoint Ops LLC | Increased | 18.5K | 161.8K | +143.3K |
| CITADEL ADVISORS LLC | Reduced | 165.3K | 23.7K | -141.6K |
| Graham Capital Management, L.P. | Sold Out | 135.6K | 0 | -135.6K |
| BlackRock, Inc. | Increased | 1.1M | 1.2M | +107.4K |
| HRT FINANCIAL LP | New | 0 | 106.8K | +106.8K |
| GSA CAPITAL PARTNERS LLP | Increased | 505.5K | 574.5K | +69.0K |
| Jain Global LLC | Increased | 10.2K | 74.0K | +63.9K |
| GOLDMAN SACHS GROUP INC | Sold Out | 61.2K | 0 | -61.2K |
| Assenagon Asset Management S.A. | Sold Out | 58.9K | 0 | -58.9K |
| Empowered Funds, LLC | Reduced | 151.7K | 101.7K | -50.0K |
| Susquehanna Portfolio Strategies, LLC | Sold Out | 49.0K | 0 | -49.0K |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 16.0K | 62.5K | +46.5K |
| OPPENHEIMER & CO INC | Reduced | 62.9K | 19.3K | -43.6K |
| SG Americas Securities, LLC | New | 0 | 39.5K | +39.5K |
| Invesco Ltd. | Sold Out | 39.3K | 0 | -39.3K |
| LRI Investments, LLC | New | 0 | 37.0K | +37.0K |
| D. E. Shaw & Co., Inc. | Reduced | 615.2K | 582.4K | -32.9K |
| Beacon Pointe Advisors, LLC | Sold Out | 31.8K | 0 | -31.8K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 249.2K | 219.0K | -30.3K |
| UBS Group AG | Reduced | 174.1K | 150.0K | -24.0K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 478.2K | 500.4K | +22.2K |
| XTX Topco Ltd | Reduced | 63.5K | 42.4K | -21.1K |
| Centiva Capital, LP | Sold Out | 20.9K | 0 | -20.9K |
| JPMORGAN CHASE & CO | Sold Out | 18.5K | 0 | -18.5K |
| IMC-Chicago, LLC | New | 0 | 18.4K | +18.4K |
| GROUP ONE TRADING LLC | New | 0 | 14.9K | +14.9K |
| KESTRA PRIVATE WEALTH SERVICES, LLC | Increased | 16.0K | 29.0K | +13.0K |
| R Squared Ltd | Increased | 30.0K | 41.2K | +11.2K |
| JMN Financial LLC | New | 0 | 10.8K | +10.8K |
| FMR LLC | Sold Out | 10.5K | 0 | -10.5K |
| Virtu Financial LLC | Increased | 16.8K | 25.8K | +9.0K |
| Engineers Gate Manager LP | Reduced | 52.0K | 43.1K | -8.9K |
| Point72 Asset Management, L.P. | Reduced | 21.7K | 12.9K | -8.8K |
| NORTHERN TRUST CORP | Reduced | 119.2K | 111.2K | -8.0K |
| TD Waterhouse Canada Inc. | Reduced | 8.6K | 1.7K | -6.9K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Increased | 17.7K | 23.0K | +5.3K |
| ROYAL BANK OF CANADA | Sold Out | 4.6K | 0 | -4.6K |
| NATIONAL BANK OF CANADA /FI/ | Increased | 3.2K | 5.7K | +2.5K |
| Net Worth Advisory Group | Reduced | 32.6K | 30.4K | -2.2K |
| VANGUARD CAPITAL MANAGEMENT LLC | Reduced | 477.6K | 475.9K | -1.8K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 217.6K | 219.4K | +1.8K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 116.4K | 118.0K | +1.7K |
| MORGAN STANLEY | Increased | 6.7K | 8.3K | +1.6K |
| RHUMBLINE ADVISERS | Sold Out | 1.3K | 0 | -1.3K |
| OSAIC HOLDINGS, INC. | New | 0 | 764 | +764 |
| STATE STREET CORP | Reduced | 216.1K | 215.6K | -482 |
| Transamerica Financial Advisors, LLC | Sold Out | 163 | 0 | -163 |
| Advisory Services Network, LLC | Sold Out | 98 | 0 | -98 |
| SBI Securities Co., Ltd. | Increased | 411 | 435 | +24 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.