Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
266 institutional managers reported holding KMPR for the quarter ended Mar 31, 2026. Together they hold about 91% of shares outstanding; the top 10 hold 50%. 44 opened new positions; 69 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 7.36M | 12.52% | $224.7M | added +39.1% | ≤2013 |
| Vanguard Group | 6.42M | 10.92% | $196.0M | added +9.1% | ≤2013 |
| Fuller & Thaler Asset Management, INC. | 3.70M | 6.29% | $113.0M | added +2.1% | 2017 Q2 |
| D. E. Shaw | 2.65M | 4.52% | $81.1M | added +15.9% | 2023 Q4 |
| Dimensional Fund Advisors | 2.37M | 4.03% | $72.4M | trimmed -4.2% | ≤2013 |
| State Street | 2.26M | 3.84% | $68.9M | added +6.5% | ≤2013 |
| AQR Capital | 1.27M | 2.17% | $38.9M | trimmed -49.8% | 2023 Q1 |
| Millennium Management | 1.11M | 1.88% | $33.8M | trimmed -4.9% | 2022 Q4 |
| Citadel Advisors | 1.03M | 1.75% | $31.5M | added +32.5% | 2018 Q3 |
| Ameriprise Financial INC | 1.01M | 1.72% | $30.9M | added +1.7% | ≤2013 |
| Prudential Financial INC | 1.00M | 1.70% | $30.6M | added +1450.6% | ≤2013 |
| Geode Capital | 996.2k | 1.70% | $30.4M | trimmed -7.1% | ≤2013 |
| Charles Schwab Investment Management | 880.7k | 1.50% | $26.9M | added +24.4% | ≤2013 |
| Adage Capital Partners GP, L.l.c. | 800.0k | 1.36% | $24.4M | added +33.3% | 2025 Q4 |
| Two Sigma | 743.7k | 1.27% | $22.7M | added +69.8% | 2023 Q1 |
| Northern Trust | 734.4k | 1.25% | $22.4M | trimmed -4.8% | ≤2013 |
| Morgan Stanley | 728.1k | 1.24% | $22.2M | added +46.6% | ≤2013 |
| NEW South Capital Management INC | 687.3k | 1.17% | $21.0M | trimmed -11.1% | 2018 Q3 |
| Point72 | 680.7k | 1.16% | $20.8M | added +13.5% | 2025 Q2 |
| Arrowstreet Capital | 672.7k | 1.15% | $20.6M | added +5.1% | 2025 Q2 |
| First Trust Advisors LP | 618.9k | 1.05% | $18.9M | trimmed -20.5% | 2024 Q3 |
| Algert Global LLC | 609.8k | 1.04% | $18.6M | added +11.7% | 2024 Q2 |
| Assenagon Asset Management S.a. | 591.4k | 1.01% | $18.1M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 535.1k | 0.91% | $16.4M | added +24.6% | ≤2013 |
| Man Group | 532.4k | 0.91% | $16.3M | added +115.5% | 2021 Q2 |
| Voloridge Investment Management | 520.1k | 0.89% | $15.9M | trimmed -23.7% | 2025 Q3 |
| Goldman Sachs | 504.6k | 0.86% | $15.4M | added +101% | ≤2013 |
| Lakewood Capital Management, LP | 501.1k | 0.85% | $15.3M | trimmed -27.5% | 2023 Q4 |
| BNY Mellon | 497.6k | 0.85% | $15.2M | unchanged | ≤2013 |
| Quantinno Capital Management LP | 497.5k | 0.85% | $15.2M | trimmed -22.7% | 2023 Q1 |
| Balyasny Asset Management | 459.8k | 0.78% | $14.0M | opened | 2021 Q4 |
| UBS | 431.0k | 0.73% | $13.2M | trimmed -43.3% | ≤2013 |
| Jacobs Levy Equity Management, INC | 426.6k | 0.73% | $13.0M | trimmed -16.6% | 2025 Q4 |
| Wellington Management | 417.5k | 0.71% | $12.8M | trimmed -78% | 2016 Q2 |
| Hotchkis & Wiley Capital Management LLC | 414.5k | 0.71% | $12.7M | added +55% | 2021 Q4 |
| Invesco | 413.2k | 0.70% | $12.6M | added +23.6% | ≤2013 |
| Renaissance Technologies | 381.4k | 0.65% | $11.7M | added +34.7% | 2022 Q4 |
| Tudor Investment | 335.0k | 0.57% | $10.2M | added +39.6% | 2023 Q4 |
| FMR (Fidelity) | 330.7k | 0.56% | $10.1M | added +73.1% | 2018 Q3 |
| Walleye Capital LLC | 325.2k | 0.55% | $9.9M | added +102.1% | 2024 Q4 |
| Principal Financial Group INC | 284.5k | 0.48% | $8.7M | added +125.8% | ≤2013 |
| Gotham Asset Management | 278.8k | 0.47% | $8.5M | added +187.1% | 2024 Q4 |
| ExodusPoint | 256.1k | 0.44% | $7.8M | added +398.5% | 2022 Q4 |
| Susquehanna International Group | 241.2k | 0.41% | $7.4M | added +94.6% | 2025 Q3 |
| HRT Financial LP | 240.3k | 0.41% | $7.3M | trimmed -27.2% | 2024 Q3 |
| Qube Research & Technologies LTD | 237.7k | 0.41% | $7.3M | added +73.3% | 2023 Q1 |
| Hsbc Holdings PLC | 214.2k | 0.36% | $6.5M | added +1888.9% | 2025 Q2 |
| Public Sector Pension Investment Board | 210.1k | 0.36% | $6.4M | opened | 2026 Q1 |
| Nuveen | 180.7k | 0.31% | $5.5M | added +4.8% | 2019 Q2 |
| Marshall Wace | 168.7k | 0.29% | $5.2M | added +92.7% | 2022 Q4 |
Largest 50 of 266 shown; the full ranked, searchable register is at boothcheck.com/holders/KMPR. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.