Tetra Tech Inc. (ttek 2.25 08/15/28)
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 17 institutions reported holding Tetra Tech Inc. (ttek 2.25 08/15/28) in their 13F filings, up 1 from Q4 2025. 5 opened new positions and 4 sold out. The largest holders were Tudor Investment Corporation ($31.6M), Absolute Investment Advisers, LLC ($18.4M) and Mizuho Securities USA LLC ($7.2M). One famous investor held it Paul Tudor Jones (0.2% of Tudor Investment Corporation's portfolio).
- Company
- Tetra Tech Inc. (ttek 2.25 08/15/28)
- CUSIP
- 88162GAB9
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 5 | $41.4M |
| Exits | 4 | $9.8M |
All 13F filers, Q4 2025 → Q1 2026: 45,744,291 shares bought and 8,670,267 shares sold, net +37,074,024 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 17 holders
| Tudor Investment Corporation | 0.17% | New | 30,120,000 | $31.6M |
| Absolute Investment Advisers, LLC | 2.17% | Add +12.9% | 17,526,000 | $18.4M |
| Mizuho Securities USA LLC | 0.17% | Add +298.4% | 6,848,000 | $7.2M |
| Ofi Invest Asset Management | 0.08% | No change | 7,000,000 | $6.4M |
| Balyasny Asset Management L.P. | 0.01% | New | 6,000,000 | $6.3M |
| Loomis Sayles & Co. L P | 0.01% | Add +2700.8% | 178,271 | $5.4M |
| State of Wisconsin Investment Board | 0.01% | No change | 3,000,000 | $3.1M |
| Ssi Investment Management LLC | 0.19% | New | 2,180,000 | $2.3M |
| Bank of New York Mellon Corp | 0.00% | Add +5.8% | 912,000 | $955K |
| Ethic Inc. | 0.01% | New | 31,253 | $941K |
| Sei Investments Co. | 0.00% | No change | 533,000 | $557K |
| Nomura Holdings Inc. | 0.00% | New | 9,132 | $275K |
| Oppenheimer Asset Management Inc. | 0.00% | Reduce -2.6% | 186,000 | $194K |
| &partners | 0.00% | Add +68.0% | 131,000 | $137K |
| Stephens Inc. | 0.00% | No change | 59,000 | $62K |
| Balboa Wealth Partners | 0.01% | No change | 29,000 | $30K |
| MML Investors Services, LLC | 0.00% | No change | 13,000 | $14K |
"% of holder's portfolio" is TETRA TECH INC (TTEK 2.25 08/15/28)'s weight in each manager's 13F, not the share of Tetra Tech Inc. (ttek 2.25 08/15/28) the manager owns.