Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
217 institutional managers reported holding CLBT for the quarter ended Mar 31, 2026. Together they hold about 50% of shares outstanding; the top 10 hold 24%. 48 opened new positions; 38 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| True Wind Capital Management, L.p. (focused) | 13.86M | 5.55% | $191.0M | unchanged | 2021 Q4 |
| Voss Capital, LP (focused) | 9.68M | 3.87% | $133.3M | added +20.2% | 2023 Q2 |
| FMR (Fidelity) | 8.49M | 3.40% | $117.0M | trimmed -9.2% | 2024 Q2 |
| Pertento Partners LLP (focused) | 6.66M | 2.67% | $91.8M | added +11.8% | 2024 Q3 |
| Phoenix Financial LTD. | 4.18M | 1.67% | $57.6M | added +66.5% | 2021 Q4 |
| Nine Ten Capital Management LLC (focused) | 3.44M | 1.38% | $47.5M | added +38.9% | 2023 Q2 |
| BlackRock | 3.34M | 1.34% | $46.0M | trimmed -22.9% | 2021 Q4 |
| T. Rowe Price Investment Management, INC. | 3.32M | 1.33% | $45.7M | added +303.7% | 2025 Q1 |
| Clal Insurance Enterprises Holdings LTD | 3.17M | 1.27% | $43.7M | trimmed -8.6% | 2023 Q3 |
| Renaissance Technologies | 2.86M | 1.15% | $39.4M | added +14.7% | 2022 Q4 |
| Brown Capital Management LLC | 2.70M | 1.08% | $37.2M | opened | 2026 Q1 |
| Capital International Investors | 2.28M | 0.91% | $31.4M | unchanged | 2025 Q4 |
| Artisan Partners | 2.19M | 0.88% | $30.1M | added +52.3% | 2025 Q4 |
| Portolan Capital Management, LLC | 2.18M | 0.87% | $30.1M | added +69.4% | 2024 Q1 |
| Principal Financial Group INC | 2.16M | 0.86% | $29.7M | added +33.9% | 2024 Q3 |
| Morgan Stanley | 2.08M | 0.83% | $28.7M | trimmed -12.9% | 2021 Q3 |
| Meitav Investment House LTD | 1.95M | 0.78% | $26.9M | added +34.4% | 2023 Q3 |
| Weiss Asset Management LP | 1.90M | 0.76% | $26.2M | added +3485.3% | 2025 Q4 |
| Praesidium Investment Management Company, LLC (focused) | 1.86M | 0.75% | $25.7M | added +57.2% | 2025 Q3 |
| Ashford Capital Management INC | 1.76M | 0.70% | $24.3M | added +5.5% | 2023 Q4 |
| Granahan Investment Management, LLC | 1.74M | 0.70% | $24.0M | trimmed -43.1% | 2024 Q1 |
| Wellington Management | 1.57M | 0.63% | $21.7M | added +13.3% | 2025 Q3 |
| Greenhaven Road Investment Management, L.p. (focused) | 1.54M | 0.61% | $21.2M | trimmed -4% | 2021 Q4 |
| ArrowMark Colorado Holdings LLC | 1.50M | 0.60% | $20.6M | added +38.3% | 2025 Q2 |
| Kranot Hishtalmut Le Morim Ve Gananot Havera Menahelet LTD | 1.45M | 0.58% | $20.0M | added +34.6% | 2023 Q4 |
| Citadel Advisors | 1.44M | 0.57% | $19.8M | added +174.2% | 2021 Q3 |
| Raymond James Financial INC | 1.39M | 0.56% | $19.2M | trimmed -4.3% | 2024 Q3 |
| Apis Capital Advisors, LLC | 1.38M | 0.55% | $19.0M | added +68.3% | 2025 Q1 |
| BNY Mellon | 1.33M | 0.53% | $18.4M | added +107% | 2025 Q1 |
| Axon Enterprise, INC. (focused) | 1.31M | 0.52% | $18.1M | trimmed -13.2% | 2024 Q4 |
| Progeny 3, INC. (focused) | 1.13M | 0.45% | $15.5M | opened | 2026 Q1 |
| Royal Bank OF Canada | 1.03M | 0.41% | $14.1M | trimmed -16.3% | 2021 Q3 |
| State Street | 1.02M | 0.41% | $14.1M | trimmed -5.1% | 2021 Q3 |
| Handelsbanken Fonder AB | 975.0k | 0.39% | $13.4M | trimmed -35.4% | 2024 Q4 |
| Mirova US LLC | 881.5k | 0.35% | $12.1M | opened | 2026 Q1 |
| Invesco | 858.0k | 0.34% | $11.8M | trimmed -84.7% | 2024 Q4 |
| American Century Companies INC | 829.4k | 0.33% | $11.4M | added +40.3% | 2025 Q1 |
| Thornburg Investment Management INC | 811.7k | 0.33% | $11.2M | added +84.2% | 2025 Q4 |
| Select Equity Group | 804.4k | 0.32% | $11.1M | added +29.7% | 2025 Q2 |
| UBS | 778.0k | 0.31% | $10.7M | trimmed -10.2% | 2021 Q3 |
| Congruence Capital, LLC (focused) | 760.7k | 0.30% | $10.5M | opened | 2026 Q1 |
| Jane Street | 714.5k | 0.29% | $9.8M | added +198.3% | 2024 Q1 |
| Clearbridge Investments, LLC | 701.9k | 0.28% | $9.7M | trimmed -1.6% | 2025 Q3 |
| King Luther Capital Management CORP | 647.4k | 0.26% | $8.9M | added +82.8% | 2025 Q3 |
| Qube Research & Technologies LTD | 643.6k | 0.26% | $8.9M | added +19.1% | 2023 Q4 |
| Light Street Capital Management, LLC (focused) | 640.9k | 0.26% | $8.8M | added +30.1% | 2021 Q3 |
| Pembroke Management, LTD | 637.9k | 0.26% | $8.8M | trimmed -53.8% | 2024 Q1 |
| Sphera Funds Management LTD. | 631.5k | 0.25% | $8.7M | opened | 2025 Q3 |
| Bank OF America CORP /DE/ | 619.7k | 0.25% | $8.5M | trimmed -11.5% | 2021 Q3 |
| NEW York State Common Retirement Fund | 614.1k | 0.25% | $8.5M | added +31.3% | 2023 Q1 |
Largest 50 of 217 shown; the full ranked, searchable register is at boothcheck.com/holders/CLBT. 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.