TTEK · Insider trading · 13F holders · Congress trades
Tetra Tech Inc (TTEK)
Who is buying and selling TTEK: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 36
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 4
TTEK at a glance
- No open-market insider purchases or sales of TTEK were filed in the last 90 days.
- 36 13F filers hold TTEK among their 50 largest positions, worth $791.4M combined. The biggest bets by portfolio weight are Value Holdings Management Co. LLC (4.4%), Managed Asset Portfolios, LLC (4.4%) and AlpenGlobal Capital LLC (3.7%). In their latest 13Fs, 0 managers opened a new position and 9 added to one.
- Members of Congress have disclosed 4 TTEK trades since 2020, 2 purchases and 2 sales in the past year; the latest was Susie Lee (D-NV), selling $1K–15K on Jun 17, 2021.
- TTEK last closed at $38.20 on Oct 30, 2026.
TTEK insider trading
No open-market insider purchases or sales of TTEK were filed in the last 90 days.
Who owns TTEK? Hedge funds and superinvestors
36 13F filers hold TTEK among their 50 largest positions, worth $791.4M combined. The biggest bets by portfolio weight are Value Holdings Management Co. LLC (4.4%), Managed Asset Portfolios, LLC (4.4%) and AlpenGlobal Capital LLC (3.7%). In their latest 13Fs, 0 managers opened a new position and 9 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Impax Asset Management Group plcMutual fund manager | 0.7% | $113.6M | 3,931,741 | +2.7% shares | Q2 2026 |
| LGT Group FoundationEndowment & foundation | 1.2% | $108.2M | 3,745,171 | +18.5% shares | Q2 2026 |
| Robeco Schweiz AGInvestment manager | 1.4% | $76.5M | 2,321,543 | -25.1% shares | Q3 2026 |
| Van Berkom & Associates Inc.Institutional asset manager | 2.3% | $71.3M | 2,469,392 | +8.0% shares | Q2 2026 |
| Energy Income Partners, LLCMutual fund manager | 1.1% | $68.5M | 2,371,465 | — | Q2 2026 |
| PGGM InvestmentsAsset manager | 1.3% | $54.2M | 1,874,895 | — | Q2 2026 |
| Neumeier Poma Investment Counsel LLCInstitutional asset manager | 3.0% | $43.8M | 1,514,378 | +16.1% shares | Q2 2026 |
| Managed Asset Portfolios, LLCWealth manager | 4.4% | $38.2M | 1,321,714 | +49.0% shares | Q2 2026 |
| L1 Capital International Pty LtdHedge fund | 1.6% | $26.7M | 925,433 | -3.2% shares | Q2 2026 |
| Value Holdings Management Co. LLCHedge fund | 4.4% | $26.2M | 907,325 | +0.0% shares | Q2 2026 |
| MirovaHedge fund | 0.7% | $19.3M | 669,611 | +9.5% shares | Q2 2026 |
| Sarasin & Partners LLPHedge fund | 0.2% | $13.8M | 417,446 | -11.7% shares | Q3 2026 |
| one8zero8, LLCWealth manager | 2.5% | $12.7M | 440,672 | -2.4% shares | Q2 2026 |
| Winslow Asset Management IncWealth manager | 2.2% | $12.6M | 437,305 | +1.1% shares | Q2 2026 |
| Ninety One North America, Inc.Hedge fund | 0.6% | $11.9M | 362,377 | -25.4% shares | Q3 2026 |
| Nicola Wealth Management Ltd.Wealth manager | 1.4% | $11.9M | 411,000 | +0.0% shares | Q2 2026 |
| Premier Fund Managers LtdHedge fund | 1.1% | $11.8M | 408,394 | -49.3% shares | Q2 2026 |
| Osprey Private Wealth LLCWealth manager | 2.7% | $10.5M | 363,295 | -0.0% shares | Q2 2026 |
| Renaissance Investment Group LLCWealth manager | 2.1% | $10.1M | 306,986 | +4.5% shares | Q3 2026 |
| Foresight Group Ltd Liability PartnershipHedge fund | 1.4% | $7.7M | 269,580 | — | Q2 2026 |
| SFE Investment CounselWealth manager | 0.8% | $5.8M | 174,835 | — | Q3 2026 |
| AlpenGlobal Capital LLCWealth manager | 3.7% | $5.7M | 103,668 | -3.4% shares | Q2 2026 |
| Portman Square Capital LLPHedge fund | 1.3% | $5.4M | 164,358 | +44.9% shares | Q3 2026 |
| Rock Point Advisors, LLCWealth manager | 1.1% | $4.4M | 151,137 | +27.0% shares | Q2 2026 |
| Future Fund LLCSovereign wealth fund | 1.2% | $4.2M | 143,967 | +4.8% shares | Q2 2026 |
| Crown Advisors Management, Inc.Hedge fund | 2.0% | $3.6M | 125,000 | +0.0% shares | Q2 2026 |
| Montanaro Asset Management LtdAsset manager | 0.8% | $2.7M | 91,800 | +28.4% shares | Q2 2026 |
| Scholtz & Company, LLCWealth manager | 1.1% | $2.2M | 76,885 | -25.5% shares | Q2 2026 |
| S&T Bank/PABank & trust | 0.6% | $2.1M | 72,871 | -11.7% shares | Q2 2026 |
| D'Orazio & Associates, Inc.Wealth manager | 0.2% | $1.8M | 61,472 | -5.9% shares | Q2 2026 |
The 30 largest of 36 positions, by value. Each manager counts with its latest 13F (Q3 2026: 9, Q2 2026: 27). Screen TTEK in the grand portfolio →
TTEK stock trades by members of Congress
Members of Congress have disclosed 4 TTEK trades since 2020, 2 purchases and 2 sales in the past year; the latest was Susie Lee (D-NV), selling $1K–15K on Jun 17, 2021.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jul 13, 2021 | Susie LeeD-NV · House | Sale | $1K–15K | Jun 17, 2021 | +56.2% |
| May 28, 2021 | Sara JacobsD-CA · House | Sale | $15K–50K | Apr 9, 2021 | +34.0% |
| Mar 12, 2021 | Sara JacobsD-CA · House | Buy | $15K–50K | Feb 19, 2021 | +33.4% |
| Jan 11, 2021 | Susie LeeD-NV · House | Buy | $1K–15K | Dec 22, 2020 | +65.2% |
2 members have traded TTEK: Susie Lee, Sara Jacobs.
TTEK questions and answers
Are insiders buying TTEK stock?
No open-market insider purchases or sales of TTEK were filed in the last 90 days.
Which hedge funds own TTEK?
36 13F filers hold TTEK among their 50 largest positions, worth $791.4M combined. The biggest bets by portfolio weight are Value Holdings Management Co. LLC (4.4%), Managed Asset Portfolios, LLC (4.4%) and AlpenGlobal Capital LLC (3.7%). In their latest 13Fs, 0 managers opened a new position and 9 added to one.
Has Congress traded TTEK?
Members of Congress have disclosed 4 TTEK trades since 2020, 2 purchases and 2 sales in the past year; the latest was Susie Lee (D-NV), selling $1K–15K on Jun 17, 2021.
Who is the largest holder of TTEK?
Among 13F filers, Impax Asset Management Group plc reports the largest TTEK position, $113.6M (3,931,741 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Value Holdings Management Co. LLC's: 4.4% of its portfolio.
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