Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
319 institutional managers reported holding TXG for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 61%. 49 opened new positions; 49 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 17.74M | 13.83% | $376.5M | added +48.9% | 2019 Q3 |
| Vanguard Group | 13.18M | 10.27% | $279.6M | added +1% | 2019 Q3 |
| ARK Investment Management | 11.72M | 9.13% | $248.6M | trimmed -7.5% | 2020 Q2 |
| BlackRock | 10.08M | 7.86% | $213.9M | added +0.7% | 2019 Q3 |
| Quantinno Capital Management LP | 5.41M | 4.22% | $114.8M | added +16% | 2023 Q2 |
| Sumitomo Mitsui Trust Group, INC. | 5.11M | 3.98% | $108.4M | trimmed -7% | 2020 Q2 |
| Amova Asset Management Americas, INC. | 5.10M | 3.98% | $108.3M | trimmed -7% | 2020 Q2 |
| Goldman Sachs | 3.97M | 3.10% | $84.3M | added +28.7% | 2019 Q3 |
| Geode Capital | 2.90M | 2.26% | $61.6M | added +4.1% | 2019 Q4 |
| Morgan Stanley | 2.66M | 2.07% | $56.4M | trimmed -16.9% | 2019 Q3 |
| State Street | 2.59M | 2.02% | $54.9M | added +3% | 2019 Q4 |
| AQR Capital | 2.54M | 1.98% | $53.9M | trimmed -1.6% | 2023 Q2 |
| Jacobs Levy Equity Management, INC | 2.28M | 1.78% | $48.5M | trimmed -13.5% | 2024 Q1 |
| Casdin Capital, LLC (focused) | 2.27M | 1.77% | $48.3M | added +62.5% | 2025 Q4 |
| Millennium Management | 2.07M | 1.61% | $43.9M | added +66.5% | 2021 Q4 |
| Dimensional Fund Advisors | 2.04M | 1.59% | $43.4M | added +34.6% | 2020 Q3 |
| Capital Group (American Funds) | 1.45M | 1.13% | $30.8M | unchanged | 2022 Q2 |
| T. Rowe Price Investment Management, INC. | 1.28M | 1.00% | $27.1M | added +148.3% | 2025 Q2 |
| Charles Schwab Investment Management | 1.13M | 0.88% | $23.9M | added +1.9% | 2019 Q4 |
| Blue Water Life Science Advisors, LP (focused) | 1.09M | 0.85% | $23.1M | opened | 2026 Q1 |
| Northern Trust | 1.05M | 0.82% | $22.2M | added +5.5% | 2019 Q3 |
| Renaissance Technologies | 1.01M | 0.79% | $21.4M | trimmed -34.9% | 2024 Q1 |
| Balyasny Asset Management | 989.5k | 0.77% | $21.0M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 964.6k | 0.75% | $20.5M | trimmed -47.5% | 2019 Q3 |
| Connor, Clark & Lunn Investment Management LTD. | 938.4k | 0.73% | $19.9M | added +32.2% | 2025 Q3 |
| Citadel Advisors | 743.7k | 0.58% | $15.8M | added +468.5% | 2019 Q3 |
| IEQ Capital, LLC | 700.7k | 0.55% | $14.9M | trimmed -7.8% | 2020 Q3 |
| UBS | 700.3k | 0.55% | $14.9M | trimmed -32% | 2019 Q3 |
| Freshford Capital Management, LLC (focused) | 673.0k | 0.53% | $14.3M | trimmed -19.2% | 2025 Q4 |
| Nuveen | 625.8k | 0.49% | $13.3M | added +164.7% | 2020 Q2 |
| Federated Hermes, INC. | 611.6k | 0.48% | $13.0M | trimmed -5.2% | 2025 Q1 |
| IQ EQ Fund Management (IRELAND) LTD | 542.8k | 0.42% | $11.5M | trimmed -14.1% | 2024 Q2 |
| Trexquant Investment LP | 533.3k | 0.42% | $11.3M | trimmed -29.1% | 2020 Q2 |
| Meridiem Capital Partners LP | 524.0k | 0.41% | $11.1M | opened | 2026 Q1 |
| Voloridge Investment Management | 497.2k | 0.39% | $10.5M | trimmed -59.5% | 2020 Q2 |
| Sands Capital | 481.8k | 0.38% | $10.2M | unchanged | 2021 Q4 |
| Russell Investments Group, LTD. | 480.6k | 0.38% | $10.2M | trimmed -10% | 2020 Q1 |
| Quantedge Capital Pte LTD | 416.6k | 0.33% | $8.8M | added +104.2% | 2025 Q4 |
| Two Sigma | 402.4k | 0.31% | $8.5M | trimmed -65.2% | 2022 Q1 |
| Simplify Asset Management INC. | 354.7k | 0.28% | $7.5M | trimmed -27% | 2025 Q4 |
| BNY Mellon | 347.6k | 0.27% | $7.4M | trimmed -1% | 2019 Q3 |
| Ameriprise Financial INC | 332.5k | 0.26% | $7.1M | trimmed -13.2% | 2019 Q3 |
| Bellevue Group AG | 329.5k | 0.26% | $7.0M | added +2.3% | 2019 Q3 |
| Lord, Abbett & CO. LLC | 329.3k | 0.26% | $7.0M | opened | 2026 Q1 |
| Allianz Asset Management GmbH | 320.0k | 0.25% | $6.8M | opened | 2026 Q1 |
| Invesco | 317.6k | 0.25% | $6.7M | trimmed -5% | 2019 Q3 |
| Janus Henderson | 305.3k | 0.24% | $6.5M | trimmed -44.1% | 2020 Q4 |
| Susquehanna Portfolio Strategies, LLC | 298.2k | 0.23% | $6.3M | unchanged | 2025 Q2 |
| American Century Companies INC | 292.2k | 0.23% | $6.2M | added +7.6% | 2025 Q2 |
| Franklin Resources | 286.4k | 0.22% | $6.1M | added +14.6% | 2019 Q3 |
Largest 50 of 319 shown; the full ranked, searchable register is at boothcheck.com/holders/TXG. 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.