TTEK Institutional Ownership
Top institutional (13F) holders of TTEK and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
53
Institutional value
$4.6B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 11.2% | Aug 7, 2026 | $828.43M |
| Vanguard Portfolio Managementinvestment advisor | 4.9% | Aug 13, 2026 | $360.2M |
| Vanguard Capital Managementinvestment advisor | 4.6% | Aug 13, 2026 | $338.76M |
| Capital International Investorsinvestment advisor | 4.6% | Aug 12, 2026 | $336.6M |
| STATE STREET CORPORATIONholding company | 3.8% | Sep 22, 2026 | $282.01M |
| FMR LLCinvestment advisor | 3.4% | Aug 13, 2026 | $253.33M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.6% | Nov 6, 2026 | $222.32M |
| SANDS CAPITAL MANAGEMENT, LLCinvestment advisor | 2.6% | May 8, 2026 | $200.56M |
| Dimensional Fund Advisors LPinvestment advisor | 1.8% | Nov 4, 2026 | $154.38M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 1.8% | Aug 14, 2026 | $135.03M |
| Neuberger Berman Group LLCinvestment advisor | 1.7% | Oct 27, 2026 | $127.38M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | 1.7% | Aug 13, 2026 | $126.93M |
| Invesco Ltd.holding company | 1.6% | Aug 14, 2026 | $118.94M |
| AQR CAPITAL MANAGEMENT LLCinvestment advisor | 1.6% | Aug 14, 2026 | $117.1M |
| Norges Bankother | 1.3% | Aug 12, 2026 | $93.34M |
| Ameriprise Financial, Inc.holding company | 1.1% | Aug 14, 2026 | $78.86M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.0% | Aug 14, 2026 | $76.5M |
| Bank of New York Mellon Corpholding company | 0.8% | Nov 5, 2026 | $67.06M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 0.9% | Aug 14, 2026 | $66.05M |
| NORTHERN TRUST CORPinvestment advisor | 0.9% | Aug 13, 2026 | $64.88M |
| BANK OF AMERICA CORP /DE/holding company | 0.8% | Aug 14, 2026 | $57.14M |
| MORGAN STANLEYholding company | 0.8% | Aug 13, 2026 | $56.81M |
| UBS Group AGbank | 0.7% | Aug 13, 2026 | $53.97M |
| CITADEL ADVISORS LLCinvestment advisor | 0.5% | Sep 1, 2026 | $38.51M |
| JPMORGAN CHASE & COholding company | 0.4% | Aug 12, 2026 | $33.15M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 9.7% | Feb 6, 2025 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 5.2% | Apr 30, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.