Tetra Tech

TTEK • NASDAQ

Tetra Tech is a engineering & construction company in the industrials sector on NASDAQ, led by Dan L. Batrack, with a market cap of $9.0B. As of Q3 2025, 93% of shares are held by 582 institutional investors, with VANGUARD GROUP INC as the largest holder at 10.01%.

Chairman and Chief Executive OfficerDan L. Batrack

Market Cap$9.0B

Engineering & Construction

Industrials

Employees27.0K

Websitetetratech.com

Country

United States of America

Overview

Overview of institutional ownership in TTEK as of Q3 2025 with a market cap of $8.8B

All Institutions

Institutions: 582
Value Held: $8.2B
Shares Held: 245.7M
Avg Position: $14.1M
Median Position: $795.2K

Hedge Funds

Hedge Funds: 59
Value Held: $432.2M
Shares Held: 12.9M
Avg Position: $7.3M
Median Position: $1.6M

Ownership Breakdown

Institutional (non-HF)

88.57%

$7.8B

Hedge Funds

4.93%

$432.2M

Retail & Other

6.5%

$570.5M

Based on market cap of $8.8B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in TTEK as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$878.0M 0.01% of portfolio	10.01% 26.3M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$851.4M 0.02% of portfolio	9.71% 25.5M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
Pictet Asset Management Holding SA Long Only Manager	Elizabeth Retta Dillon CEO	$473.6M 0.46% of portfolio	5.40% 14.2M shares	Q3 2023 Held for 2y 2m	$103.68B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$377.0M 0.01% of portfolio	4.30% 11.3M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
N Neuberger Berman Group LLC Institution	-	$301.3M 0.22% of portfolio	3.44% 9.0M shares	≤ Q2 2013 Held for 12y 5m+	$136.94B
SANDS CAPITAL MANAGEMENT, LLC Long Only Manager	Frank Melville Sands CEO	$239.6M 0.66% of portfolio	2.73% 7.2M shares	Q4 2024 Held for 11 months	$36.2B
C Capital International Investors Institution	-	$236.3M 0.04% of portfolio	2.69% 7.1M shares	Q4 2024 Held for 11 months	$615.90B
ALLIANCEBERNSTEIN L.P. Long Only Manager	Seth Perry Bernstein CEO	$219.7M 0.07% of portfolio	2.50% 6.6M shares	≤ Q2 2013 Held for 12y 5m+	$317.45B
A Amundi Institution	-	$193.3M 0.06% of portfolio	2.19% 5.8M shares	Q2 2021 Held for 4y 5m	$311.18B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$167.9M 0.01% of portfolio	1.91% 5.0M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T

Net Capital Flow

Institutional buying and selling activity for TTEK in Q3 2025

Traded: +$167.0M
Buyers: 304
Sellers: 253
Total Bought: +$774.4M
Total Sold: −$607.4M
Avg Position: $12.8M

Biggest Buyers

Institution	Net Bought	Current Position
C Capital International Investors Institution	+$168.6M +5.1M shares	$236.3M 7.1M shares
SANDS CAPITAL MANAGEMENT, LLC Long Only Manager	+$66.0M +2.0M shares	$239.6M 7.2M shares
HENDERSON GROUP PLC Institution	+$55.6M +1.7M shares	$59.2M 1.8M shares
GOLDMAN SACHS GROUP INC Institution	+$32.2M +965.1K shares	$64.6M 1.9M shares
A AVIVA PLC Institution	+$31.8M +951.7K shares	$64.9M 1.9M shares
Quantinno Capital Management LP Hedge Fund•Market Neutral	+$24.7M +740.1K shares	$51.1M 1.5M shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	+$23.6M +705.7K shares	$219.7M 6.6M shares
FIRST TRUST ADVISORS LP ETF Provider	+$22.7M +679.4K shares	$66.1M 2.0M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$18.2M +545.5K shares	$47.4M 1.4M shares
$DEUTSCHE BANK AG\ logo$ DEUTSCHE BANK AG\ Institution	+$17.5M +522.9K shares	$46.3M 1.4M shares

Biggest Sellers

Institution	Net Sold	Current Position
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$62.6M −1.9M shares	$33.4M 999.4K shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	−$40.7M −1.1M shares	Sold Off 0 shares
Bornite Capital Management LP Hedge Fund•Long/Short	−$37.0M −1.0M shares	Sold Off 0 shares
B BOWEN HANES & CO INC Institution	−$36.7M −1.1M shares	$24.6M 737.4K shares
A Amundi Institution	−$33.7M −1.0M shares	$193.3M 5.8M shares
STATE STREET CORP Institution	−$21.7M −649.0K shares	$377.0M 11.3M shares
A Artemis Investment Management LLP Institution	−$20.7M −619.4K shares	$4.2M 127.2K shares
Marshall Wace LLP Institution	−$18.8M −522.3K shares	Sold Off 0 shares
TimesSquare Capital Management, LLC Long Only Manager	−$18.5M −552.8K shares	$16.5M 495.0K shares
Z Zurcher Kantonalbank Institution	−$15.4M −461.1K shares	$58.1M 1.7M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited TTEK in Q3 2025

New Positions: 32
New Value: $21.4M
Exited Positions: 58
Exited Value: $153.8M

New Positions

Institution	Position Value
C CAPITAL INTERNATIONAL S A Institution	$6.2M 187.0K shares
C CAPITAL INTERNATIONAL LTD /CA/ Institution	$3.8M 112.9K shares
IEQ CAPITAL, LLC RIA/Wealth	$2.5M 75.2K shares
CAPITAL INTERNATIONAL INC /CA/ Long Only Manager	$2.1M 61.9K shares
F Farringdon Capital, Ltd. Institution	$1.4M 42.1K shares
Q Qsemble Capital Management, LP Hedge Fund•Quant	$1.2M 35.6K shares
C Capital Group Investment Management Pte. Ltd. Institution	$819.1K 24.5K shares
Catalytic Wealth RIA, LLC RIA/Wealth	$607.9K 18.2K shares
A AdvisorShares Investments LLC Institution	$425.2K 12.7K shares
F Fieldview Capital Management, LLC Hedge Fund•Long/Short	$384.4K 11.5K shares

Exited Positions

Institution	Previous Position
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$40.7M 1.1M shares
Bornite Capital Management LP Hedge Fund•Long/Short	$37.0M 1.0M shares
Marshall Wace LLP Institution	$18.8M 522.3K shares
R Rheos Capital Works Inc. Institution	$9.7M 269.0K shares
W Winton Capital Group Ltd Institution	$6.1M 169.0K shares
Lombard Odier Asset Management Ltd Private Equity	$5.2M 145.3K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$4.6M 127.4K shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	$4.0M 110.7K shares
W Waratah Capital Advisors Ltd. Hedge Fund•Multi-Strategy	$3.9M 107.7K shares
U UniSuper Management Pty Ltd Institution	$3.1M 87.2K shares

Options Activity

Institutions with the largest Call and Put options positions in TTEK as of Q3 2025

Call Positions: 11
Call Value: $8.5M
Put Positions: 13
Put Value: $62.6M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.1M 639.0 contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$1.3M 390.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.3M 375.0 contracts
W WOLVERINE TRADING, LLC Institution	$1.0M 310.0 contracts
Walleye Trading LLC RIA/Wealth	$984.7K 295.0 contracts
J JANE STREET GROUP, LLC Institution	$664.3K 199.0 contracts
Caption Management, LLC Hedge Fund•Long/Short	$584.2K 175.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$373.9K 112.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$116.8K 35.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	- - contracts

Put Positions

Institution	Position Value
P Portman Square Capital LLP Hedge Fund•Vol Arbitrage	$18.3M 5.5K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$13.2M 4.0K contracts
BANK OF AMERICA CORP /DE/ Institution	$10.7M 3.2K contracts
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$7.6M 2.3K contracts
J JANE STREET GROUP, LLC Institution	$4.5M 1.3K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.7M 797.0 contracts
H HSBC HOLDINGS PLC Institution	$2.2M 656.0 contracts
Walleye Trading LLC RIA/Wealth	$2.0M 610.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$928.0K 278.0 contracts
W WOLVERINE TRADING, LLC Institution	$403.6K 120.0 contracts

Most Committed Institutions

Institutions with TTEK as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
P Portman Square Capital LLP Hedge Fund•Vol Arbitrage	Sutesh Kumar Sharma CEO	7.47% $3.4M	0.04% 102.3K shares	Q3 2023 Held for 2y 2m	$45.7M
V VALUE HOLDINGS MANAGEMENT CO. LLC Hedge Fund•Value	Timothy Joseph Curro Managing Partner	4.85% $30.3M	0.35% 907.3K shares	Q4 2016 Held for 8y 11m	$623.8M
MANAGED ASSET PORTFOLIOS, LLC Long Only Manager	Michael Stephen Dzialo President	3.71% $29.0M	0.33% 869.6K shares	Q2 2015 Held for 10y 5m	$781.9M
O Osprey Private Wealth LLC RIA/Wealth	John Gray Youngman CEO	3.71% $10.2M	0.12% 305.5K shares	Q3 2024 Held for 1y 2m	$275.2M
O one8zero8, LLC Institution	-	3.37% $15.6M	0.18% 467.7K shares	Q4 2024 Held for 11 months	$462.7M
C CROWN ADVISORS MANAGEMENT, INC. Hedge Fund•Long/Short	Robert Scott Fearon President	2.79% $4.2M	0.05% 125.0K shares	Q1 2019 Held for 6y 8m	$149.5M
WINSLOW ASSET MANAGEMENT INC Long Only Manager	Timothy Seth Goldberg CEO	2.77% $14.8M	0.17% 442.7K shares	≤ Q2 2013 Held for 12y 5m+	$532.7M
NEUMEIER POMA INVESTMENT COUNSEL LLC Long Only Manager	Brian David Poma CEO	2.68% $32.7M	0.37% 979.4K shares	Q1 2018 Held for 7y 8m	$1.2B
P Premier Fund Managers Ltd Institution	-	1.99% $47.4M	0.54% 1.4M shares	Q1 2024 Held for 1y 8m	$2.4B
Renaissance Investment Group LLC RIA/Wealth	Christopher Anthony Silipigno CEO	1.98% $9.8M	0.11% 293.1K shares	Q1 2018 Held for 7y 8m	$493.7M