Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
169 institutional managers reported holding CLMT for the quarter ended Mar 31, 2026. Together they hold about 51% of shares outstanding; the top 10 hold 36%. 57 opened new positions; 26 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Two Seas Capital LP (focused) | 5.96M | 6.85% | $213.9M | trimmed -14.6% | 2024 Q3 |
| BlackRock | 4.98M | 5.72% | $178.7M | added +0.8% | 2024 Q3 |
| Vanguard Group | 4.90M | 5.63% | $175.8M | added +4.2% | 2024 Q3 |
| Wasserstein Management, L.p. (focused) | 4.57M | 5.26% | $164.1M | trimmed -17.9% | 2023 Q4 |
| Adams Asset Advisors, LLC | 3.20M | 3.68% | $114.9M | trimmed -37.9% | ≤2013 |
| State Street | 3.08M | 3.54% | $110.5M | added +42.9% | 2024 Q3 |
| Geode Capital | 1.87M | 2.15% | $67.2M | added +12.9% | ≤2013 |
| Bank OF America CORP /DE/ | 1.15M | 1.33% | $41.4M | added +65.1% | ≤2013 |
| Morgan Stanley | 1.05M | 1.21% | $37.7M | trimmed -5.9% | ≤2013 |
| Wellington Management | 830.6k | 0.95% | $29.8M | opened | 2026 Q1 |
| Marshall Wace | 824.0k | 0.95% | $29.6M | added +7.3% | 2024 Q4 |
| Voleon Capital Management LP | 681.9k | 0.78% | $24.5M | added +322.6% | 2025 Q3 |
| Barclays PLC | 677.9k | 0.78% | $24.3M | added +300% | 2022 Q4 |
| Northern Trust | 581.1k | 0.67% | $20.8M | added +5% | 2024 Q3 |
| Brown Advisory INC | 565.7k | 0.65% | $20.3M | trimmed -21% | 2020 Q4 |
| Charles Schwab Investment Management | 540.7k | 0.62% | $19.4M | trimmed -1.8% | 2024 Q3 |
| Citadel Advisors | 536.0k | 0.62% | $19.2M | opened | 2020 Q2 |
| Citigroup INC | 487.0k | 0.56% | $17.5M | added +86.6% | ≤2013 |
| Goldman Sachs | 402.1k | 0.46% | $14.4M | added +15.5% | ≤2013 |
| Renaissance Technologies | 391.8k | 0.45% | $14.1M | opened | 2026 Q1 |
| Walleye Capital LLC | 353.6k | 0.41% | $12.7M | opened | 2025 Q1 |
| First Trust Advisors LP | 347.5k | 0.40% | $12.5M | added +36.2% | 2024 Q4 |
| UBS | 335.0k | 0.39% | $12.0M | trimmed -33.1% | ≤2013 |
| Trexquant Investment LP | 325.3k | 0.37% | $11.7M | added +22.5% | 2025 Q1 |
| BNP Paribas Financial Markets | 308.1k | 0.35% | $11.1M | added +5.6% | 2022 Q2 |
| Royal Bank OF Canada | 303.5k | 0.35% | $10.9M | trimmed -4.4% | ≤2013 |
| Invesco | 265.8k | 0.30% | $9.5M | added +115% | 2024 Q4 |
| Susquehanna International Group | 245.3k | 0.28% | $8.8M | opened | 2026 Q1 |
| Janus Henderson | 217.9k | 0.25% | $7.8M | added +596.3% | 2024 Q4 |
| BNY Mellon | 210.6k | 0.24% | $7.6M | added +1.8% | 2024 Q3 |
| one8zero8, LLC | 188.2k | 0.22% | $6.8M | unchanged | 2024 Q4 |
| Raymond James Financial INC | 187.9k | 0.22% | $6.7M | trimmed -62.1% | 2025 Q1 |
| Nuveen | 166.1k | 0.19% | $6.0M | added +9.7% | 2025 Q2 |
| Group ONE Trading LLC | 162.7k | 0.19% | $5.8M | opened | 2013 Q3 |
| Ayal Capital Advisors LTD (focused) | 151.9k | 0.17% | $5.4M | trimmed -22.1% | 2025 Q2 |
| Informed Momentum CO LLC | 151.7k | 0.17% | $5.4M | opened | 2026 Q1 |
| Swiss National Bank | 136.9k | 0.16% | $4.9M | unchanged | 2024 Q4 |
| Rafferty Asset Management, LLC | 132.1k | 0.15% | $4.7M | added +104.8% | 2024 Q4 |
| HRT Financial LP | 118.3k | 0.14% | $4.2M | opened | 2026 Q1 |
| Mariner, LLC | 118.2k | 0.14% | $4.2M | trimmed -49.2% | 2023 Q4 |
| Engineers Gate Manager LP | 108.4k | 0.13% | $3.9M | added +118.3% | 2025 Q2 |
| Focus Partners Wealth | 105.8k | 0.12% | $3.8M | trimmed -4.3% | 2025 Q4 |
| Great Lakes Advisors, LLC | 105.1k | 0.12% | $3.8M | trimmed -8.7% | 2025 Q3 |
| Garnet Equity Capital Holdings, INC. (focused) | 100.7k | 0.12% | $3.6M | trimmed -9.8% | 2024 Q3 |
| Healthcare OF Ontario Pension Plan Trust Fund | 97.7k | 0.11% | $3.5M | added +107% | 2025 Q4 |
| ExodusPoint | 97.4k | 0.11% | $3.5M | opened | 2025 Q1 |
| Hsbc Holdings PLC | 87.0k | 0.10% | $3.1M | opened | 2026 Q1 |
| Rhumbline Advisers | 85.1k | 0.10% | $3.1M | added +0.9% | 2025 Q2 |
| California State Teachers Retirement System | 83.6k | 0.10% | $3.0M | added +26% | 2024 Q4 |
| Federated Hermes, INC. | 74.9k | 0.09% | $2.7M | opened | 2026 Q1 |
Largest 50 of 169 shown; the full ranked, searchable register is at boothcheck.com/holders/CLMT. 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.