Position history for BlackRock, Inc.'s holdings in TETRA TECH
BlackRock, Inc. holds 26.8M shares of TTEK (TETRA TECH), worth $806.9M as of 2026-Q1. The position was increased (+4.1% shares). TTEK represents 0.0% of BlackRock, Inc.'s portfolio.
Current Value
$806.9M
Current Shares
26.8M
Total Value Change
-$230M
Total Shares Change
+763,632
Other major holders of TTEK: VANGUARD GROUP INC, BlackRock Finance, Inc.
Increased |
| 26.8M |
+4.1% |
| $806.9M |
| 0.0% |
| $36.45 |
33 |
| 2025-Q4 | Increased | 25.7M | +0.9% | $863M | 0.0% | $33.92 | 32 |
| 2025-Q3 | Decreased | 25.5M | -0.7% | $851.4M | 0.0% | $33.51 | 0 |
| 2025-Q2 | Decreased | 25.7M | -2.8% | $924M | 0.0% | $35.45 | 0 |
| 2025-Q1 | Increased | 26.4M | +1.6% | $773.4M | 0.0% | $28.94 | 32 |
| 2024-Q4 | New | 26M | - | $1B | 0.0% | $39.45 | 44 |