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Tetra Tech (TTEK)
NASDAQ
$28.03+$0.88 (+3.24%)
Price as of Jun 23, 2026 7:06 PM EDT- $7.0BMarket Cap
- -22.67%1-Year Change
- Engineering & ConstructionIndustry
Tetra Tech (TTEK)
$28.03+$0.88 (+3.24%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 10.32% | 26.8M | +1.1M (+3.95%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 10.03% | 26.0M | -187,703 (-0.72%) | Dec 31, 2024 |
VANGUARD GROUP INC | 9.94% | 25.8M | -501,178 (-1.94%) | Dec 31, 2025 |
N/A | 4.87% | 12.6M | +12.6M (+100.00%) | Mar 31, 2026 |
CAPITAL INTERNATIONAL INVESTORS | 4.39% | 11.4M | +2.4M (+20.80%) | Mar 31, 2026 |
PICTET ASSET MANAGEMENT HOLDING SA | 3.72% | 9.6M | -1.6M (-16.17%) | Mar 31, 2026 |
STATE STREET CORP | 3.71% | 9.6M | +211,666 (+2.20%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 8.11% | 21.1M | +362,344 (+1.72%) | Mar 31, 2026 |
iSHARES TRUST | 5.35% | 13.9M | +264,968 (+1.91%) | Mar 31, 2026 |
NEW PERSPECTIVE FUND | 1.57% | 4.1M | 0 (0.00%) | Mar 31, 2026 |
SMALLCAP WORLD FUND INC | 1.27% | 3.3M | +1.7M (+52.07%) | Mar 31, 2026 |
Capitol Series Trust | 1.22% | 3.2M | +3.2M (+100.00%) | Mar 31, 2026 |
Virtus Convertible & Income Fund | 1.13% | 2.9M | 0 (0.00%) | Jan 30, 2026 |
ADVENT CONVERTIBLE & INCOME FUND | 0.97% | 2.5M | -248,000 (-9.84%) | Jan 30, 2026 |
Current Ownership Distribution
- Institutions2.2B (76.10%)
- Mutual Funds690.2M (23.84%)
- Insiders1.9M (0.07%)
- Other0 (0.00%)
Insider Transactions
- 0.07% (1.9M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 2Number of InsiderSelling (last 12 months)
- $2.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 4,500 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,250 | $0.00 | 2,250 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,925 | $0.00 | 1,925 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,910 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,050 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 795 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 795 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,900 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,125 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,718 | $0.00 | 0 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 4,500 | $0.00 | 149,908 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,250 | $0.00 | 152,158 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,925 | $0.00 | 154,083 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,910 | $0.00 | 156,993 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,050 | $0.00 | 159,043 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 795 | $0.00 | 159,838 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 795 | $0.00 | 160,633 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,900 | $0.00 | 162,533 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 2,125 | $0.00 | 164,658 |
Ritrievi Kimberly E | Exempt | Mar 16, 2026 | $0.00 | 1,718 | $0.00 | 166,376 |
Ritrievi Kimberly E | Award | Mar 16, 2026 | $0.00 | 25,883 | $0.00 | 192,259 |
Obiaya Christiana | Exempt | Feb 19, 2026 | $0.00 | 495 | $0.00 | 0 |
Obiaya Christiana | Exempt | Feb 19, 2026 | $0.00 | 495 | $0.00 | 9,666 |
Volpi Kirsten M | Exempt | Feb 10, 2026 | $0.00 | 1,000 | $0.00 | 8,000 |
Volpi Kirsten M | Exempt | Feb 10, 2026 | $9,590.00 | 1,000 | $9.59 | 70,218 |
BURDICK STEVEN M EVP, CFO | Gift | Feb 06, 2026 | $0.00 | 11,100 | $0.00 | 138,251 |
CARTER BRIAN N SVP, Corporate Controller | Sell | Feb 04, 2026 | $401,405.28 | 9,979 | $40.23 | 46,496 |
Feeler Jeffrey R | Award | Jan 26, 2026 | $0.00 | 1,754 | $0.00 | 1,754 |
Hardwick M Susan | Award | Jan 26, 2026 | $0.00 | 1,754 | $0.00 | 1,754 |
Birkenbeuel Gary | Exempt | Jan 12, 2026 | $0.00 | 1,590 | $0.00 | 0 |