Tetra Technologies
TTI · NYSE
$5.36+$0.12 (+2.29%)TodayMarket closed ·
Prev close $5.24
Who owns TTI
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 38.7% of TTI’s shares.
- BlackRock Institutional Trust Company, N.A.6.5%
- Neuberger Berman, LLC5.9%
- Vanguard Capital Management, LLC4.1%
- Needham Investment Management L.L.C.3.8%
- Next 6 largest institutions18.4%
- All other shareholders61.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 9.65M | 6.53% |
| Neuberger Berman, LLC | 8.67M | 5.87% |
| Vanguard Capital Management, LLC | 6.12M | 4.14% |
| Needham Investment Management L.L.C. | 5.65M | 3.83% |
| Cramer Rosenthal McGlynn, LLC | 5.07M | 3.43% |
| Emerald Advisers LLC | 5.06M | 3.43% |
| American Century Investment Management, Inc. | 4.53M | 3.07% |
| Driehaus Capital Management, LLC | 4.37M | 2.96% |
| Columbia Threadneedle Investments (UK) | 4.14M | 2.80% |
| State Street Investment Management (US) | 3.96M | 2.68% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Needham Aggressive Growth Fund | 5.09M | 3.45% |
| Vanguard Total Stock Market Index Fund | 4.42M | 2.99% |
| Avantis US Small Cap Value ETF | 3.98M | 2.70% |
| iShares Russell 2000 ETF | 3.38M | 2.29% |
| CT (Lux) American Smaller Companies | 2.58M | 1.75% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $281.90K (2 trades) and sold $536.75K (2 trades) of TTI on the open market.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Moeller Timothy C | Option exercise | 25.00K | — |
| Moeller Timothy C | Tax withholding | 9.84K | $59.03K |
| Moeller Timothy C | Option exercise | 25.00K | — |
| John Angela D | Buy | 10.00K | $65.00K |
| Boston Shoemake Alicia r | Option exercise | 9.71K | — |
| Boston Shoemake Alicia r | Option exercise | 8.07K | — |
| Boston Shoemake Alicia r | Tax withholding | 3.82K | $25.88K |
| Boston Shoemake Alicia r | Option exercise | 9.71K | — |
| Boston Shoemake Alicia r | Tax withholding | 3.17K | $21.49K |
| Boston Shoemake Alicia r | Option exercise | 8.07K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 11.20M
- Days to cover
- 6.04
- % of shares outstanding
- 7.58%
- Average daily volume
- 1.85M
- Change since last report
- +1.3%
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