Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
750 institutional managers reported holding TTD for the quarter ended Mar 31, 2026. Together they hold about 77% of shares outstanding; the top 10 hold 43%. 98 opened new positions; 270 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 55.64M | 11.67% | $1.26B | trimmed -1.4% | 2016 Q3 |
| State Street | 44.93M | 9.42% | $1.02B | added +44.7% | 2016 Q4 |
| BlackRock | 37.52M | 7.87% | $851.6M | added +5% | 2016 Q3 |
| Two Sigma | 14.16M | 2.97% | $321.4M | added +134.3% | 2024 Q1 |
| Geode Capital | 13.99M | 2.93% | $317.5M | added +2.9% | 2016 Q4 |
| Morgan Stanley | 8.77M | 1.84% | $199.0M | added +20.1% | 2016 Q3 |
| Goldman Sachs | 8.73M | 1.83% | $198.1M | added +54.2% | 2016 Q3 |
| Invesco | 8.38M | 1.76% | $190.2M | added +52% | 2017 Q1 |
| Federated Hermes, INC. | 7.63M | 1.60% | $173.1M | added +61.9% | 2023 Q2 |
| BNP Paribas Financial Markets | 5.90M | 1.24% | $133.9M | added +20.2% | 2016 Q4 |
| Worldquant Millennium Advisors LLC | 5.70M | 1.19% | $129.3M | added +177.2% | 2025 Q4 |
| Alyeska Investment Group | 5.63M | 1.18% | $127.7M | added +14590.2% | 2024 Q4 |
| Voloridge Investment Management | 5.53M | 1.16% | $125.5M | added +31.4% | 2024 Q1 |
| UBS | 5.50M | 1.15% | $124.8M | added +21.9% | 2016 Q3 |
| Renaissance Technologies | 5.44M | 1.14% | $123.5M | added +59% | 2024 Q1 |
| Millennium Management | 4.91M | 1.03% | $111.5M | added +7.8% | 2016 Q3 |
| Citigroup INC | 4.91M | 1.03% | $111.5M | added +12.7% | 2016 Q4 |
| D. E. Shaw | 4.78M | 1.00% | $108.5M | added +141.4% | 2018 Q2 |
| Barclays PLC | 4.66M | 0.98% | $105.8M | added +49% | 2016 Q4 |
| Bank OF America CORP /DE/ | 4.55M | 0.95% | $103.2M | added +33.5% | 2016 Q4 |
| Northern Trust | 3.92M | 0.82% | $88.9M | added +2.1% | 2016 Q4 |
| Charles Schwab Investment Management | 3.50M | 0.73% | $79.5M | added +6.2% | 2016 Q4 |
| Citadel Advisors | 3.37M | 0.71% | $76.5M | added +158.3% | 2016 Q3 |
| Deutsche Bank AG\ | 3.23M | 0.68% | $73.2M | added +106.2% | 2016 Q4 |
| Assenagon Asset Management S.a. | 3.22M | 0.68% | $73.1M | added +941.8% | 2022 Q3 |
| Jacobs Levy Equity Management, INC | 3.13M | 0.66% | $71.1M | added +17.6% | 2024 Q2 |
| Amundi | 3.06M | 0.64% | $69.4M | added +0.6% | 2018 Q4 |
| FMR (Fidelity) | 2.68M | 0.56% | $60.8M | added +138.6% | 2016 Q3 |
| Legal & General Group PLC | 2.57M | 0.54% | $58.2M | added +1.5% | 2016 Q4 |
| Marshall Wace | 2.29M | 0.48% | $51.9M | added +209.7% | 2020 Q4 |
| Susquehanna International Group | 2.27M | 0.48% | $51.5M | trimmed -8% | 2017 Q2 |
| Acadian Asset Management | 2.24M | 0.47% | $50.7M | added +754.2% | 2020 Q3 |
| BNY Mellon | 2.19M | 0.46% | $49.6M | trimmed -1.9% | 2016 Q4 |
| CPP Investment Board | 1.97M | 0.41% | $44.7M | added +14.6% | 2021 Q1 |
| Squarepoint Ops LLC | 1.94M | 0.41% | $44.1M | trimmed -24.7% | 2017 Q2 |
| Quantinno Capital Management LP | 1.50M | 0.31% | $34.0M | added +330% | 2022 Q4 |
| First Trust Advisors LP | 1.45M | 0.30% | $32.9M | added +32.1% | 2017 Q3 |
| Bank OF Nova Scotia | 1.39M | 0.29% | $31.7M | added +1913.4% | 2023 Q3 |
| Coatue Management | 1.39M | 0.29% | $31.5M | opened | 2025 Q2 |
| Retirement Systems of Alabama | 1.31M | 0.27% | $29.7M | added +43.8% | 2025 Q3 |
| Swiss National Bank | 1.29M | 0.27% | $29.3M | added +5.8% | 2017 Q2 |
| PRIMECAP Management | 1.23M | 0.26% | $28.0M | added +35.7% | 2023 Q1 |
| Mitsubishi UFJ Asset Management CO., LTD. | 1.18M | 0.25% | $26.7M | trimmed -28.4% | 2018 Q3 |
| Raymond James Financial INC | 1.15M | 0.24% | $26.0M | added +6.2% | 2017 Q1 |
| Hsbc Holdings PLC | 1.08M | 0.23% | $24.6M | added +5.4% | 2018 Q3 |
| Harding Loevner LP | 1.07M | 0.22% | $24.3M | trimmed -2.6% | 2025 Q1 |
| Nuveen | 1.06M | 0.22% | $24.0M | trimmed -41.3% | 2018 Q4 |
| Wells Fargo & COMPANY/MN | 1.03M | 0.22% | $23.4M | added +19.8% | 2016 Q3 |
| Voleon Capital Management LP | 1.02M | 0.21% | $23.2M | added +161.5% | 2024 Q4 |
| Royal Bank OF Canada | 999.2k | 0.21% | $22.7M | trimmed -46.8% | 2016 Q3 |
Largest 50 of 750 shown; the full ranked, searchable register is at boothcheck.com/holders/TTD. 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.