Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
554 institutional managers reported holding KNSL for the quarter ended Mar 31, 2026. Together they hold about 90% of shares outstanding; the top 10 hold 49%. 69 opened new positions; 95 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 2.17M | 9.43% | $742.5M | added +1.8% | 2016 Q3 |
| Vanguard Group | 2.10M | 9.09% | $715.8M | added +0.8% | 2016 Q3 |
| Bamco INC /NY/ | 2.03M | 8.79% | $692.5M | added +13.8% | 2016 Q4 |
| Capital Group (American Funds) | 1.31M | 5.69% | $447.8M | added +32.7% | 2020 Q1 |
| State Street | 692.0k | 3.00% | $236.3M | added +0.9% | 2016 Q3 |
| Geode Capital | 661.2k | 2.87% | $225.8M | added +8.9% | 2016 Q3 |
| First Manhattan CO. LLC. | 616.0k | 2.67% | $210.4M | unchanged | 2024 Q4 |
| Morgan Stanley | 592.4k | 2.57% | $202.3M | trimmed -6.9% | 2016 Q3 |
| Life Cycle Investment Partners LTD | 564.3k | 2.45% | $192.7M | trimmed -3.9% | 2025 Q4 |
| Davenport & CO LLC | 536.9k | 2.33% | $183.4M | added +1.3% | 2016 Q4 |
| Turtle Creek Asset Management INC. (focused) | 411.2k | 1.78% | $140.4M | added +47.6% | 2024 Q1 |
| Kayne Anderson Rudnick Investment Management LLC | 328.7k | 1.43% | $112.2M | added +3.7% | 2025 Q1 |
| Dimensional Fund Advisors | 299.8k | 1.30% | $102.4M | added +5% | 2017 Q4 |
| Geneva Capital Management LLC | 287.9k | 1.25% | $98.3M | trimmed -6.5% | 2020 Q1 |
| Bank OF America CORP /DE/ | 285.5k | 1.24% | $97.5M | added +89% | 2016 Q4 |
| Maren Capital LLC (focused) | 270.1k | 1.17% | $92.3M | added +15.1% | 2023 Q4 |
| Invesco | 268.0k | 1.16% | $91.5M | trimmed -2.9% | 2017 Q4 |
| DF Dent & CO INC | 248.9k | 1.08% | $85.0M | trimmed -21.2% | 2021 Q3 |
| Riverbridge Partners LLC | 246.2k | 1.07% | $84.1M | trimmed -8.3% | 2022 Q4 |
| Millennium Management | 221.7k | 0.96% | $75.7M | added +170.6% | 2025 Q2 |
| Giverny Capital INC. | 218.9k | 0.95% | $74.8M | added +2.2% | 2023 Q4 |
| Champlain Investment Partners, LLC | 214.8k | 0.93% | $73.4M | trimmed -9.8% | 2023 Q4 |
| Northern Trust | 191.7k | 0.83% | $65.4M | trimmed -3.7% | 2016 Q3 |
| Charles Schwab Investment Management | 185.4k | 0.80% | $63.3M | added +5% | 2016 Q4 |
| Timucuan Asset Management INC/FL (focused) | 181.0k | 0.79% | $61.8M | opened | 2026 Q1 |
| Gw&k Investment Management, LLC | 150.6k | 0.65% | $51.4M | trimmed -1.2% | 2020 Q2 |
| BNY Mellon | 147.1k | 0.64% | $50.2M | trimmed -2.4% | 2016 Q3 |
| Nomura Asset Management International INC. | 138.0k | 0.60% | $47.1M | trimmed -8.4% | 2025 Q4 |
| Envestnet Asset Management INC | 137.2k | 0.59% | $46.8M | added +22.1% | 2017 Q4 |
| Spyglass Capital Management LLC (focused) | 137.0k | 0.59% | $46.8M | trimmed -30.5% | 2024 Q2 |
| Madison Asset Management, LLC | 136.8k | 0.59% | $46.7M | unchanged | 2025 Q1 |
| UBS | 130.5k | 0.57% | $44.6M | trimmed -13.9% | 2016 Q4 |
| Erste Asset Management GmbH | 127.2k | 0.55% | $43.4M | added +108.9% | 2022 Q4 |
| Stephens Investment Management Group LLC | 123.0k | 0.53% | $42.0M | trimmed -40.9% | 2023 Q4 |
| Prime Capital Management CO LTD (focused) | 115.5k | 0.50% | $39.4M | unchanged | 2024 Q1 |
| Copeland Capital Management, LLC | 111.1k | 0.48% | $37.9M | trimmed -16.8% | 2023 Q1 |
| Arrowstreet Capital | 108.9k | 0.47% | $37.2M | added +49.8% | 2024 Q4 |
| Royal Bank OF Canada | 108.9k | 0.47% | $37.2M | trimmed -7.3% | 2016 Q3 |
| Port Capital LLC | 97.6k | 0.42% | $33.3M | unchanged | 2021 Q2 |
| Jones Financial Companies Lllp | 93.5k | 0.41% | $31.9M | added +6309.3% | 2024 Q1 |
| Natixis Advisors, LLC | 92.4k | 0.40% | $31.5M | added +18.9% | 2021 Q3 |
| Citigroup INC | 86.0k | 0.37% | $29.4M | added +68.9% | 2016 Q3 |
| Royal London Asset Management LTD | 82.4k | 0.36% | $28.2M | trimmed -61.5% | 2022 Q4 |
| Franklin Resources | 78.7k | 0.34% | $26.9M | unchanged | 2022 Q3 |
| Howland Capital Management LLC | 68.7k | 0.30% | $23.4M | trimmed -4.2% | 2017 Q3 |
| Ameriprise Financial INC | 65.5k | 0.28% | $22.4M | added +8% | 2016 Q3 |
| Tudor Investment | 64.4k | 0.28% | $22.0M | added +1835.1% | 2024 Q3 |
| Langdon Equity Partners (focused) | 63.5k | 0.28% | $21.7M | trimmed -8.1% | 2025 Q4 |
| Rhumbline Advisers | 63.0k | 0.27% | $21.5M | added +3.4% | 2017 Q2 |
| Carnegie Investment Counsel | 62.9k | 0.27% | $21.5M | added +1.9% | 2023 Q4 |
Largest 50 of 554 shown; the full ranked, searchable register is at boothcheck.com/holders/KNSL. 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.