Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
566 institutional managers reported holding TECH for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 49%. 64 opened new positions; 71 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Vanguard Group | 18.09M | 11.49% | $945.4M | added +1.4% | ≤2013 |
| BlackRock | 12.26M | 7.79% | $640.9M | added +1.1% | ≤2013 |
| Morgan Stanley | 8.53M | 5.42% | $445.9M | added +2.2% | ≤2013 |
| FMR (Fidelity) | 7.90M | 5.02% | $412.8M | added +678.3% | 2018 Q3 |
| State Street | 5.87M | 3.73% | $306.7M | added +1% | ≤2013 |
| Wellington Management | 5.12M | 3.25% | $267.6M | trimmed -10.7% | 2014 Q2 |
| Geode Capital | 5.11M | 3.25% | $267.1M | added +3.7% | ≤2013 |
| Maverick Capital | 4.74M | 3.01% | $247.7M | added +23.1% | 2025 Q1 |
| Invesco | 4.59M | 2.92% | $239.8M | added +24.7% | ≤2013 |
| Durable Capital Partners LP (focused) | 4.46M | 2.83% | $232.8M | added +113.3% | 2025 Q3 |
| MFS Investment Management | 3.73M | 2.37% | $195.1M | trimmed -7% | 2016 Q4 |
| UBS | 3.49M | 2.22% | $182.6M | added +32% | ≤2013 |
| Ruane Cunniff (Sequoia) (focused) | 3.39M | 2.15% | $177.2M | added +131.4% | 2025 Q2 |
| Neuberger Berman Group LLC | 3.34M | 2.12% | $174.6M | added +6.8% | ≤2013 |
| Capital Research Global Investors | 3.19M | 2.03% | $166.6M | added +96.9% | 2025 Q2 |
| Mairs & Power INC | 2.75M | 1.75% | $143.7M | trimmed -0.6% | ≤2013 |
| William Blair Investment Management, LLC | 2.46M | 1.56% | $128.7M | added +2.7% | 2023 Q2 |
| T. Rowe Price | 2.45M | 1.55% | $127.9M | trimmed -39.9% | ≤2013 |
| AllianceBernstein | 2.21M | 1.41% | $115.7M | trimmed -6.4% | ≤2013 |
| Sumitomo Mitsui Trust Group, INC. | 2.05M | 1.30% | $107.3M | trimmed -13.3% | 2019 Q4 |
| DF Dent & CO INC | 2.04M | 1.30% | $106.8M | trimmed -21.2% | ≤2013 |
| Dimensional Fund Advisors | 1.97M | 1.25% | $103.1M | added +10% | ≤2013 |
| Goldman Sachs | 1.94M | 1.24% | $101.6M | added +14.8% | ≤2013 |
| Snyder Capital Management L P | 1.88M | 1.20% | $98.4M | trimmed -2.3% | ≤2013 |
| Mackenzie Financial CORP | 1.78M | 1.13% | $93.0M | trimmed -26.3% | 2021 Q2 |
| BNY Mellon | 1.76M | 1.12% | $91.9M | trimmed -1.8% | ≤2013 |
| Nomura Asset Management International INC. | 1.73M | 1.10% | $90.2M | trimmed -2.7% | 2024 Q4 |
| Ameriprise Financial INC | 1.71M | 1.09% | $89.4M | trimmed -38.9% | ≤2013 |
| American Century Companies INC | 1.65M | 1.05% | $86.2M | trimmed -14.4% | 2014 Q1 |
| Charles Schwab Investment Management | 1.64M | 1.04% | $85.5M | added +5% | ≤2013 |
| Champlain Investment Partners, LLC | 1.45M | 0.92% | $76.0M | added +3.6% | 2018 Q2 |
| Brown Advisory INC | 1.45M | 0.92% | $75.8M | trimmed -6.1% | 2023 Q2 |
| Northern Trust | 1.32M | 0.84% | $69.2M | trimmed -0.6% | ≤2013 |
| First Trust Advisors LP | 1.28M | 0.81% | $67.0M | added +2874.9% | ≤2013 |
| Geneva Capital Management LLC | 1.24M | 0.79% | $65.0M | added +14% | 2020 Q1 |
| SG Capital Management LLC | 1.22M | 0.77% | $63.7M | added +6% | 2025 Q4 |
| Schroder Investment Management Group | 1.20M | 0.76% | $62.6M | added +38.6% | 2025 Q4 |
| T. Rowe Price Investment Management, INC. | 1.15M | 0.73% | $60.1M | added +3372.6% | 2025 Q2 |
| Bank OF America CORP /DE/ | 1.11M | 0.71% | $58.2M | trimmed -2.1% | ≤2013 |
| Stephens Investment Management Group LLC | 1.10M | 0.70% | $57.7M | trimmed -0.5% | ≤2013 |
| Madison Asset Management, LLC | 1.09M | 0.69% | $57.1M | trimmed -7.5% | 2025 Q3 |
| Clearbridge Investments, LLC | 1.03M | 0.66% | $54.0M | added +8.9% | 2020 Q1 |
| American Capital Management INC | 1.02M | 0.65% | $53.4M | added +8.5% | 2014 Q1 |
| Blair William & CO/IL | 864.3k | 0.55% | $45.2M | added +277.7% | ≤2013 |
| Westfield Capital Management CO LP | 856.0k | 0.54% | $44.7M | trimmed -13.9% | 2025 Q1 |
| Freestone Grove Partners LP | 820.1k | 0.52% | $42.9M | opened | 2025 Q3 |
| Quantinno Capital Management LP | 814.3k | 0.52% | $42.6M | trimmed -20.1% | 2021 Q4 |
| Royce & Associates | 759.7k | 0.48% | $39.7M | added +12% | ≤2013 |
| Cresset Asset Management, LLC | 739.2k | 0.47% | $38.6M | added +6.6% | 2020 Q4 |
| Principal Financial Group INC | 737.1k | 0.47% | $38.5M | added +4.8% | ≤2013 |
Largest 50 of 566 shown; the full ranked, searchable register is at boothcheck.com/holders/TECH. 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.