Mercer International Inc. (MERC) ownership: Peter R. Kellogg 38% · institutions 75% (13F 2026-03-31). Insider activity, 90 days: 0 sales, 0 open-market buys. SEC EDGAR first-party data.
| Holder | Shares | Market Value | % Outstanding | Reported |
|---|---|---|---|---|
| IAT Reinsurance Co Ltd. | 17220000.00 | $24.45M | 25.7% | 2026-03-31 |
| Redwood Capital Management, LLC | 4648133.00 | $6.60M | 6.9% | 2026-03-31 |
| Barclays | 3320081.00 | $4.71M | 5.0% | 2026-03-31 |
| TD Asset Management | 3300000.00 | $4.69M | 4.9% | 2026-03-31 |
| Atlas FRM LLC | 3150000.00 | $4.47M | 4.7% | 2026-03-31 |
| Dimensional Fund Advisors | 2554086.00 | $3.63M | 3.8% | 2026-03-31 |
| Diameter Capital Partners LP | 1100397.00 | $2.18M | 1.6% | 2026-03-31 |
| Readystate Asset Management LP | 1383838.00 | $1.97M | 2.1% | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 | |
| Buy | null | 2026-06-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.