Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
502 institutional managers reported holding TTMI for the quarter ended Mar 31, 2026. Together they hold about 89% of shares outstanding; the top 10 hold 49%. 125 opened new positions; 64 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 13.64M | 12.74% | $1.33B | trimmed -16.9% | ≤2013 |
| Vanguard Group | 11.69M | 10.91% | $1.14B | trimmed -9.2% | ≤2013 |
| Invesco | 5.18M | 4.84% | $504.8M | added +4% | ≤2013 |
| Dimensional Fund Advisors | 4.31M | 4.03% | $420.2M | trimmed -16.9% | ≤2013 |
| State Street | 3.81M | 3.56% | $371.7M | trimmed -2.4% | ≤2013 |
| Whale Rock Capital (focused) | 3.51M | 3.28% | $342.5M | trimmed -17.8% | 2025 Q2 |
| Geode Capital | 3.16M | 2.95% | $307.6M | added +18.3% | ≤2013 |
| Polar Capital Holdings PLC | 2.92M | 2.73% | $285.0M | added +12.6% | 2025 Q3 |
| FMR (Fidelity) | 2.51M | 2.34% | $244.4M | trimmed -22% | ≤2013 |
| Arrowstreet Capital | 2.21M | 2.06% | $215.4M | trimmed -1.3% | 2024 Q1 |
| Castle Hook Partners LP (focused) | 2.11M | 1.97% | $206.0M | added +9.4% | 2025 Q4 |
| Wellington Management | 1.40M | 1.31% | $136.6M | added +408.5% | 2023 Q3 |
| Nomura Asset Management International INC. | 1.29M | 1.21% | $126.1M | trimmed -28.1% | 2025 Q2 |
| Northern Trust | 1.29M | 1.21% | $126.0M | added +21.2% | ≤2013 |
| Charles Schwab Investment Management | 1.19M | 1.11% | $116.1M | trimmed -16.5% | ≤2013 |
| Alkeon Capital Management LLC | 1.05M | 0.98% | $102.3M | opened | 2026 Q1 |
| T. Rowe Price Investment Management, INC. | 1.04M | 0.97% | $101.7M | added +264.6% | 2024 Q4 |
| Goldman Sachs | 961.1k | 0.90% | $93.7M | trimmed -43% | ≤2013 |
| Thrivent Financial for Lutherans | 906.4k | 0.85% | $88.3M | trimmed -6.3% | ≤2013 |
| Jane Street | 837.7k | 0.78% | $81.6M | added +327.1% | 2022 Q2 |
| Nuveen | 822.0k | 0.77% | $80.1M | added +8.3% | 2018 Q1 |
| Morgan Stanley | 780.2k | 0.73% | $76.0M | trimmed -39.1% | ≤2013 |
| Atalan Capital Partners, LP (focused) | 768.3k | 0.72% | $74.9M | opened | 2026 Q1 |
| Emerald Advisers, LLC | 750.4k | 0.70% | $73.1M | trimmed -18% | 2024 Q3 |
| AQR Capital | 736.7k | 0.69% | $71.8M | added +296.8% | 2020 Q2 |
| Portolan Capital Management, LLC | 727.5k | 0.68% | $70.9M | trimmed -36.6% | 2024 Q1 |
| BNY Mellon | 715.5k | 0.67% | $69.7M | added +1.6% | ≤2013 |
| AllianceBernstein | 707.7k | 0.66% | $69.0M | added +435.6% | ≤2013 |
| MFS Investment Management | 676.3k | 0.63% | $65.9M | trimmed -21.6% | 2024 Q3 |
| Dendur Capital LP (focused) | 655.0k | 0.61% | $63.8M | opened | 2026 Q1 |
| Jennison Associates LLC | 641.5k | 0.60% | $62.5M | unchanged | 2025 Q3 |
| Bank OF America CORP /DE/ | 636.2k | 0.59% | $62.0M | added +6.5% | ≤2013 |
| Capital Group (American Funds) | 635.0k | 0.59% | $61.9M | opened | 2026 Q1 |
| Loomis Sayles & CO L P | 536.0k | 0.50% | $52.2M | trimmed -32.2% | 2016 Q4 |
| Hood River Capital Management LLC | 516.4k | 0.48% | $50.3M | trimmed -18.5% | 2024 Q2 |
| Neumeier Poma Investment Counsel LLC (focused) | 499.8k | 0.47% | $48.7M | trimmed -21.6% | 2025 Q2 |
| Emerald Mutual Fund Advisers Trust | 470.0k | 0.44% | $45.8M | trimmed -14.1% | 2024 Q3 |
| Samlyn Capital, LLC | 459.9k | 0.43% | $44.8M | opened | 2026 Q1 |
| Neuberger Berman Group LLC | 438.6k | 0.41% | $42.7M | added +79.2% | 2025 Q4 |
| Panagora Asset Management INC | 438.1k | 0.41% | $42.7M | trimmed -12.8% | 2023 Q2 |
| Two Sigma | 373.9k | 0.35% | $36.4M | added +12129.7% | 2023 Q2 |
| Millennium Management | 372.6k | 0.35% | $36.3M | added +202% | 2020 Q1 |
| Renaissance Technologies | 370.9k | 0.35% | $36.1M | opened | 2026 Q1 |
| T. Rowe Price | 369.1k | 0.34% | $36.0M | added +50.6% | ≤2013 |
| Lord, Abbett & CO. LLC | 365.5k | 0.34% | $35.6M | opened | 2026 Q1 |
| UBS | 364.2k | 0.34% | $35.5M | added +14.7% | ≤2013 |
| Principal Financial Group INC | 353.6k | 0.33% | $34.5M | trimmed -49.4% | ≤2013 |
| Granahan Investment Management, LLC | 327.4k | 0.31% | $31.9M | added +32.4% | 2025 Q4 |
| Rhumbline Advisers | 310.3k | 0.29% | $30.2M | added +12.2% | ≤2013 |
| Capital International Investors | 295.5k | 0.28% | $28.8M | opened | 2026 Q1 |
Largest 50 of 502 shown; the full ranked, searchable register is at boothcheck.com/holders/TTMI. 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.