Tetra Technologies Inc
TTI- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0000844965
In the last 90 days, Tetra Technologies Inc insiders filed 1 open-market purchase and 1 sale; 246 institutions reported holding it in 13F filings for Q2 2026, worth $1.54B in total; no superinvestor holds it.
Holders of 5% or more of TTI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Tetra Technologies Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 7.60%10.2M shares | – | Oct 17, 20251 filing | Oct 17, 2025 | SEC |
| Pictet Asset Management SA | 13D | 5.30%14.5M shares | New | Apr 15, 20251 filing | Apr 15, 2025 | SEC |
| Ameriprise Financial Inc | 13G | 5.20%6.91M shares | New | Feb 17, 20261 filing | Feb 17, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Tetra Technologies Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 27, 20261:34 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 17, 20262:10 PM ET | Fuller & Thaler Asset Management, Inc. | 13G/A | 0.00%6.57K shares | –Below 5% | Dec 31, 2025 | SEC |
| Feb 17, 202610:39 AM ET | Ameriprise Financial Inc | 13G | 5.20%6.91M shares | New | Dec 31, 2025 | SEC |
| Oct 17, 20256:24 PM ET | BlackRock, Inc. | 13G/A | 7.60%10.2M shares | – | Sep 30, 2025 | SEC |
| Apr 15, 202511:20 AM ET | Pictet Asset Management SA | 13D | 5.30%14.5M shares | New | Apr 15, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Tetra Technologies Inc shares.
No Form 144 notices for Tetra Technologies Inc are on file.