Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MERC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | IAT REINSURANCE CO LTD. | 17.2M | $24.5M | 0.0% | 25.708% | 7.90% |
| 2 | REDWOOD CAPITAL MANAGEMENT, LLC | 4.6M | $6.6M | 0.0% | 6.939% | 0.98% |
| 3 | BARCLAYS PLC | 3.3M | $4.7M | +349.1% | 4.957% | 0.00% |
| 4 | TORONTO DOMINION BANK | 3.3M | $4.7M | 0.0% | 4.927% | 0.01% |
| 5 | Atlas FRM LLC | 3.1M | $4.5M | 0.0% | 4.703% | 0.29% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 2.6M | $3.6M | -9.4% | 3.813% | 0.00% |
| 7 | READYSTATE ASSET MANAGEMENT LP | 1.4M | $2.0M | -45.8% | 2.066% | 0.10% |
| 8 | BlackRock, Inc. | 1.1M | $1.6M | +5.9% | 1.645% | 0.00% |
| 9 | WHITEBOX ADVISORS LLC | 1.1M | $1.5M | +54.2% | 1.579% | 0.02% |
| 10 | WELLS FARGO & COMPANY/MN | 1.1M | $1.5M | +18.1% | 1.578% | 0.00% |
| 11 | AMERICAN CENTURY COMPANIES INC | 1.0M | $1.4M | -12.6% | 1.512% | 0.00% |
| 12 | Solas Capital Management, LLC | 790K | $1.1M | -50.8% | 1.180% | 0.65% |
| 13 | FRANKLIN RESOURCES INC | 787K | $1.1M | β | 1.175% | 0.00% |
| 14 | Benefit Street Partners LLC | 787K | $1.1M | +1136.3% | 1.175% | 1.29% |
| 15 | D. E. Shaw & Co., Inc. | 615K | $874K | -30.6% | 0.919% | 0.00% |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 478K | $679K | -14.8% | 0.714% | 0.00% |
| 17 | VANGUARD CAPITAL MANAGEMENT LLC | 478K | $678K | β | 0.713% | 0.00% |
| 18 | Verition Fund Management LLC | 408K | $580K | +32.3% | 0.610% | 0.00% |
| 19 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 389K | $552K | +2.4% | 0.581% | 0.01% |
| 20 | AEGIS FINANCIAL CORP | 309K | $439K | 0.0% | 0.461% | 0.08% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 249K | $354K | +0.7% | 0.372% | 0.00% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 218K | $309K | β | 0.325% | 0.00% |
| 23 | STATE STREET CORP | 216K | $307K | 0.0% | 0.323% | 0.00% |
| 24 | UBS Group AG | 174K | $247K | +231.1% | 0.260% | 0.00% |
| 25 | CITADEL ADVISORS LLC | 165K | $235K | β | 0.247% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MERC β a direct measure of their conviction.
Filings activity in MERC during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 75 | +0.0% | 110.99% | 42.53 pp | $68M | 28% |
| Q4 2025 | 75 | 11% | 153.52% | 46.47 pp | $94M | 32% |
| Q3 2025 | 84 | 18% | 199.99% | +0.00 pp | $137M | 21% |
| Q2 2025 | 103 | 8.8% | 199.99% | +0.00 pp | $174M | 45% |
| Q1 2025 | 113 | 8.1% | 199.99% | +0.00 pp | $316M | +2.7% |
| Q4 2024 | 123 | 6.1% | 199.99% | +0.00 pp | $308M | 3.7% |
| Q3 2024 | 131 | 7.1% | 199.99% | +0.00 pp | $319M | 27% |
| Q2 2024 | 141 | β | 199.99% | β | $440M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Latest Form 4 transactions by company officers and directors. Insider buys are widely viewed as the highest-conviction signal because executives are risking personal capital.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| May 15, 2026 | KELLOGG PETER R | Buy | 215K | $0.95 | $204K |
Quick answers to the most common questions about buying MERC stock.
Based on Q1 2026 13F filings, institutional ownership of Mercer International Inc. stands at 111.0%, held across 75 reporting institutions.
IAT REINSURANCE CO LTD. is the largest reported institutional holder of MERC, with approximately 17,220,000 shares worth $0.02B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of MERC, including CITADEL ADVISORS LLC.
Our composite Smart Money Score for MERC is 39 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
16 institutions opened new positions in MERC during Q1 2026, while 16 fully exited. 10 added to existing positions and 48 trimmed.
MERC institutional ownership fell by 42.53 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 81.4% of all reported 13F value in MERC, and the top 25 account for 96.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Mercer International Inc. (MERC) Institutional Ownership