Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
1,073 institutional managers reported holding COHR for the quarter ended Mar 31, 2026. Together they hold about 88% of shares outstanding; the top 10 hold 49%. 304 opened new positions; 114 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 23.47M | 11.95% | $5.59B | added +45.4% | ≤2013 |
| FMR (Fidelity) | 22.66M | 11.54% | $5.39B | trimmed -4% | 2016 Q2 |
| BlackRock | 14.95M | 7.62% | $3.56B | added +3.5% | ≤2013 |
| Nvidia CORP (focused) | 7.79M | 3.97% | $1.85B | opened | 2026 Q1 |
| State Street | 7.75M | 3.95% | $1.84B | added +64.3% | ≤2013 |
| Invesco | 6.71M | 3.42% | $1.60B | added +24.8% | ≤2013 |
| Geode Capital | 5.24M | 2.67% | $1.25B | added +87.5% | ≤2013 |
| Morgan Stanley | 2.75M | 1.40% | $655.6M | added +46.8% | ≤2013 |
| WT Asset Management LTD (focused) | 2.68M | 1.36% | $637.1M | added +443.5% | 2025 Q3 |
| Goldman Sachs | 2.60M | 1.33% | $619.8M | added +14% | ≤2013 |
| UBS | 2.59M | 1.32% | $615.4M | added +78.8% | ≤2013 |
| Voya Investment Management LLC | 2.23M | 1.14% | $531.0M | added +41.9% | ≤2013 |
| Charles Schwab Investment Management | 2.05M | 1.04% | $486.9M | added +49.7% | ≤2013 |
| Polar Capital Holdings PLC | 1.98M | 1.01% | $470.9M | added +16% | 2023 Q4 |
| MFS Investment Management | 1.81M | 0.92% | $431.6M | trimmed -1.5% | 2025 Q4 |
| Bank OF America CORP /DE/ | 1.69M | 0.86% | $401.4M | added +60.2% | ≤2013 |
| Deutsche Bank AG\ | 1.59M | 0.81% | $378.4M | added +582.8% | ≤2013 |
| T. Rowe Price | 1.54M | 0.79% | $367.1M | added +194.2% | ≤2013 |
| SG Americas Securities, LLC | 1.48M | 0.75% | $352.1M | added +1646.1% | 2015 Q3 |
| Northern Trust | 1.48M | 0.75% | $351.9M | added +13.9% | ≤2013 |
| Wellington Management | 1.36M | 0.69% | $324.5M | trimmed -44.7% | ≤2013 |
| Value Aligned Research Advisors, LLC | 1.29M | 0.65% | $305.9M | trimmed -3.7% | 2023 Q3 |
| Barrow Hanley Mewhinney & Strauss LLC | 1.27M | 0.65% | $301.7M | trimmed -9.4% | 2022 Q3 |
| BNP Paribas Financial Markets | 1.24M | 0.63% | $294.9M | added +187.3% | 2024 Q4 |
| BNY Mellon | 1.17M | 0.60% | $279.1M | added +11.9% | ≤2013 |
| Dimensional Fund Advisors | 1.14M | 0.58% | $272.0M | trimmed -4.7% | ≤2013 |
| Holocene Advisors | 1.13M | 0.57% | $268.5M | trimmed -12.9% | 2024 Q1 |
| Ameriprise Financial INC | 1.11M | 0.56% | $263.1M | trimmed -12.8% | ≤2013 |
| Citadel Advisors | 1.08M | 0.55% | $256.9M | trimmed -45.5% | 2019 Q2 |
| Franklin Resources | 1.02M | 0.52% | $241.9M | added +2.9% | 2022 Q3 |
| AGF Management LTD | 998.4k | 0.51% | $237.7M | added +591.5% | 2025 Q3 |
| Whale Rock Capital (focused) | 975.0k | 0.50% | $232.1M | trimmed -10.9% | 2024 Q1 |
| Sachem Head Capital Management LP (focused) | 965.0k | 0.49% | $229.7M | trimmed -40.1% | 2024 Q2 |
| Millennium Management | 889.1k | 0.45% | $211.6M | trimmed -29.6% | 2014 Q4 |
| Legal & General Group PLC | 774.3k | 0.39% | $184.3M | added +152.3% | 2014 Q3 |
| Sumitomo Mitsui Trust Group, INC. | 755.3k | 0.39% | $179.8M | added +12767% | 2024 Q2 |
| Neuberger Berman Group LLC | 706.0k | 0.36% | $168.1M | added +39.8% | 2021 Q1 |
| Nuveen | 693.2k | 0.35% | $165.0M | added +181.7% | 2019 Q2 |
| William Blair Investment Management, LLC | 668.1k | 0.34% | $159.1M | trimmed -23.5% | 2025 Q2 |
| Amundi | 652.6k | 0.33% | $155.3M | added +15.7% | 2025 Q4 |
| Atreides Management, LP | 631.2k | 0.32% | $150.2M | trimmed -48.9% | 2025 Q3 |
| Snyder Capital Management L P | 607.2k | 0.31% | $144.5M | trimmed -38.6% | 2022 Q3 |
| Point72 | 580.4k | 0.30% | $138.2M | trimmed -82.6% | 2023 Q2 |
| Raymond James Financial INC | 564.4k | 0.29% | $134.4M | trimmed -16% | 2016 Q1 |
| Dodge & Cox | 558.9k | 0.28% | $133.1M | trimmed -16.6% | 2022 Q3 |
| Mitsubishi UFJ Asset Management CO., LTD. | 528.2k | 0.27% | $125.7M | added +782.4% | 2022 Q3 |
| Bank OF Montreal /CAN/ | 527.9k | 0.27% | $125.7M | added +35.1% | ≤2013 |
| Driehaus Capital Management LLC | 516.2k | 0.26% | $122.9M | added +15.2% | 2024 Q1 |
| AllianceBernstein | 516.2k | 0.26% | $122.9M | trimmed -29.9% | ≤2013 |
| Artemis Investment Management LLP | 507.8k | 0.26% | $120.9M | added +176.8% | 2023 Q4 |
Largest 50 of 1,073 shown; the full ranked, searchable register is at boothcheck.com/holders/COHR. 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.