Tetra Tech Inc (TTEK) Ownership

29.26 ↓0.61 (-2.04%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

BlackRock Inc is the biggest individual institutional holder of Tetra Tech Inc (TTEK), owning a total of 26 million shares. Combined, the top 43 institutional holders of TTEK own 167.40% of the company with a total of 168.7 million shares.

In the latest ownership report on December 31st 2024, the top 43 institutional holders decreased their combined ownership of TTEK by 7.9 million shares. 13 institutions bought 10,355,607 total additional shares and increased their ownership by an average of 22.40%. However 8 institutions sold 18,239,609 total shares and decreased their ownership by an average of 22.23%.

Overall this is a negative sign as the number of shares owned by the top 20 institutional holders of Tetra Tech decreased by a net total of -7,884,002 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	9.710%	-0.716%	26,026,774	-187,703	2024-12-31
Vanguard Group Inc	9.667%	0.496%	25,912,103	127,757	2024-12-31
Pictet Asset Manangement SA	5.230%	2.797%	14,018,887	381,437	2024-12-31
State Street Corp	3.454%	5.565%	9,257,926	488,024	2024-12-31
Neuberger Berman Group LLC	3.250%	2.634%	8,709,732	223,493	2024-12-31
AllianceBernstein L.P.	2.929%	-30.745%	7,850,987	-3,485,428	2024-12-31
Amundi	1.818%	54.416%	4,873,176	1,717,304	2024-12-31
Fidelity International Ltd	1.796%	-9.425%	4,814,101	-500,951	2024-12-31
Geode Capital Management, LLC	1.765%	0.289%	4,729,696	13,616	2024-12-31
Sands Capital Management, LLC	1.619%	0.000%	4,338,203	4,338,203	2024-12-31
Allspring Global Investments Holdings, LLC	1.168%	-5.142%	3,129,763	-169,655	2024-12-31
NORGES BANK	1.137%	-80.098%	3,046,939	-12,262,986	2024-12-31
Amvescap Plc.	1.088%	-9.188%	2,916,400	-295,060	2024-12-31
Northern Trust Corp	1.024%	21.301%	2,745,434	482,101	2024-12-31
CI Private Wealth LLC	0.975%	14.948%	2,613,259	339,839	2024-12-31
Bank of America Corp	0.967%	-18.534%	2,592,598	-589,839	2024-12-31
Bank of New York Mellon Corp	0.966%	5.171%	2,588,529	127,262	2024-12-31
Sam Sustainable Asset Management Ltd	0.914%	26.482%	2,449,875	512,931	2024-12-31
Bain Capital Public Equity Management II, LLC	0.899%	149.478%	2,409,928	1,443,939	2024-12-31
Ninety One UK Limited	0.882%	-24.026%	2,365,210	-747,987	2024-12-31
abrdn PLC	0.847%	7.569%	2,269,777	159,701	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
BlackRock Inc	9.710%	-0.716%	26,026,774	-187,703	2024-12-31
Vanguard Group Inc	9.667%	0.496%	25,912,103	127,757	2024-12-31
Pictet Asset Manangement SA	5.230%	2.797%	14,018,887	381,437	2024-12-31
State Street Corp	3.454%	5.565%	9,257,926	488,024	2024-12-31
Neuberger Berman Group LLC	3.250%	2.634%	8,709,732	223,493	2024-12-31
AllianceBernstein L.P.	2.929%	-30.745%	7,850,987	-3,485,428	2024-12-31
Sarasin & Partners LLP	1.849%	-82.766%	4,950,383	-23,773,317	2024-09-30
Amundi	1.818%	54.416%	4,873,176	1,717,304	2024-12-31
Fidelity International Ltd	1.796%	-9.425%	4,814,101	-500,951	2024-12-31
Geode Capital Management, LLC	1.765%	0.289%	4,729,696	13,616	2024-12-31
Sands Capital Management, LLC	1.619%	0.000%	4,338,203	4,338,203	2024-12-31
Allspring Global Investments Holdings, LLC	1.168%	-5.142%	3,129,763	-169,655	2024-12-31
JPMorgan Chase & Co	1.158%	-79.452%	3,102,702	-11,997,248	2024-09-30
NORGES BANK	1.137%	-80.098%	3,046,939	-12,262,986	2024-12-31
Amvescap Plc.	1.088%	-9.188%	2,916,400	-295,060	2024-12-31
Artisan Partners Limited Partnership	1.036%	0.000%	2,777,965	2,777,965	2024-09-30
Northern Trust Corp	1.024%	21.301%	2,745,434	482,101	2024-12-31
CI Private Wealth LLC	0.975%	14.948%	2,613,259	339,839	2024-12-31
Bank of America Corp	0.967%	-18.534%	2,592,598	-589,839	2024-12-31
Bank of New York Mellon Corp	0.966%	5.171%	2,588,529	127,262	2024-12-31
T. Rowe Price Investment Management,Inc.	0.935%	-81.660%	2,506,530	-11,160,370	2024-09-30
Sam Sustainable Asset Management Ltd	0.914%	26.482%	2,449,875	512,931	2024-12-31
Bain Capital Public Equity Management II, LLC	0.899%	149.478%	2,409,928	1,443,939	2024-12-31
Ninety One UK Limited	0.882%	-24.026%	2,365,210	-747,987	2024-12-31
Morgan Stanley - Brokerage Accounts	0.868%	-91.337%	2,325,587	-24,519,313	2024-09-30
abrdn PLC	0.847%	7.569%	2,269,777	159,701	2024-12-31
Allianz Asset Management AG	0.793%	-75.805%	2,123,835	-6,654,290	2024-09-30
State Street Corporation	82.492%	15.394%	1,766,404	235,648	2024-03-31
Aegon Asset Management UK PLC	0.548%	-82.519%	1,466,385	-6,922,190	2024-09-30
Candriam Luxembourg S.C.A.	0.498%	-80.933%	1,332,593	-5,656,532	2024-09-30
Macquarie Group Ltd	1.449%	3.527%	767,471	26,144	2022-06-30
T. Rowe Price Associates, Inc.	1.386%	0.449%	734,348	3,282	2022-06-30
Goldman Sachs Group Inc	1.131%	82.313%	605,184	273,236	2023-12-31
Vontobel Holding Ltd.	0.997%	2.761%	533,587	14,334	2023-12-31
DekaBank Deutsche Girozentrale	0.944%	-1.121%	502,710	-5,700	2023-03-31
Lord, Abbett & Co LLC	0.917%	49.220%	488,157	161,018	2022-12-31
Dimensional Fund Advisors, Inc.	0.884%	-13.373%	470,605	-72,651	2023-09-30
Millennium Management LLC	0.885%	1,601.990%	469,018	441,461	2022-06-30
Copeland Capital Management, LLC	4.380%	0.235%	468,899	1,099	2024-06-30
Wellington Management Company LLP	0.875%	-7.678%	465,817	-38,740	2022-09-30
Charles Schwab Investment Management Inc	4.224%	1.493%	452,272	6,653	2024-06-30
First Trust Advisors L.P.	3.875%	12.119%	415,006	44,857	2024-06-30
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	3.166%	0.000%	339,061	339,061	2024-06-30

Mutual Fund Ownership

iShares Core S&P Mid-Cap ETF is the biggest individual fund holder of Tetra Tech Inc (TTEK), owning a total of 8.7 million shares. Combined, the top 44 mutual fund holders of TTEK own 69.70% of the company with a total of 83.8 million shares.

In the latest ownership report on February 28th 2025, the top 44 fund holders increased their combined ownership of TTEK by 68 thousand shares. 6 funds bought 86,421 total additional shares and increased their ownership by an average of 0.34%. However 2 funds sold 18,865 total shares and decreased their ownership by an average of 0.27%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Tetra Tech increased by a net total of 67,556 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Mid-Cap ETF	3.248%	0.075%	8,704,584	6,532	2025-02-28
Vanguard Total Stock Mkt Idx Inv	3.152%	0.416%	8,449,078	34,966	2025-02-28
Vanguard Small Cap Index	2.550%	0.082%	6,835,753	5,569	2025-02-28
Vanguard Small Cap Value Index Inv	1.680%	-0.349%	4,502,186	-15,749	2025-02-28
Vanguard Institutional Extnd Mkt Idx Tr	1.519%	0.426%	4,071,079	17,254	2025-02-28
Invesco Water Resources ETF	0.830%	0.000%	2,225,131	0	2025-02-28
SPDR® S&P MIDCAP 400 ETF Trust	0.807%	0.962%	2,162,866	20,600	2025-02-28
Global X US Infrastructure Dev ETF	0.638%	-0.182%	1,710,434	-3,116	2025-02-28
iShares S&P Mid-Cap 400 Growth ETF	0.616%	0.000%	1,649,856	0	2025-02-28
Amundi MSCI Water UCITS ETF Dist	0.606%	0.000%	1,622,853	0	2025-02-28
Amundi MSCI Water ESG scrnd ETF Dist	0.606%	0.000%	1,622,853	0	2025-02-28
State St Russell Sm/Mid Cp® Indx NL Cl C	0.602%	0.093%	1,614,163	1,500	2025-02-28

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Core S&P Mid-Cap ETF	3.248%	0.075%	8,704,584	6,532	2025-02-28
Vanguard Total Stock Mkt Idx Inv	3.152%	0.416%	8,449,078	34,966	2025-02-28
Vanguard Small Cap Index	2.550%	0.082%	6,835,753	5,569	2025-02-28
Pictet-Water I EUR	2.231%	0.916%	5,980,240	54,288	2024-11-30
Pictet - Global Envir Opps I USD	1.934%	-5.732%	5,183,682	-315,178	2025-01-31
Vanguard Small Cap Value Index Inv	1.680%	-0.349%	4,502,186	-15,749	2025-02-28
Neuberger Berman Genesis Inv	1.629%	0.000%	4,366,018	0	2024-12-31
Vanguard Institutional Extnd Mkt Idx Tr	1.519%	0.426%	4,071,079	17,254	2025-02-28
Sands Capital Global Growth Equity	1.491%	0.000%	3,995,926	3,995,926	2024-12-31
RobecoSAM Sustainable Water B EUR	0.959%	16.682%	2,569,340	367,340	2025-01-31
Invesco Water Resources ETF	0.830%	0.000%	2,225,131	0	2025-02-28
SPDR® S&P MIDCAP 400 ETF Trust	0.807%	0.962%	2,162,866	20,600	2025-02-28
Global X US Infrastructure Dev ETF	0.638%	-0.182%	1,710,434	-3,116	2025-02-28
iShares S&P Mid-Cap 400 Growth ETF	0.616%	0.000%	1,649,856	0	2025-02-28
Vanguard Instl Ttl Stck Mkt Idx Tr	3.090%	1.842%	1,645,434	29,763	2023-03-31
Amundi MSCI Water UCITS ETF Dist	0.606%	0.000%	1,622,853	0	2025-02-28
Amundi MSCI Water ESG scrnd ETF Dist	0.606%	0.000%	1,622,853	0	2025-02-28
State St Russell Sm/Mid Cp® Indx NL Cl C	0.602%	0.093%	1,614,163	1,500	2025-02-28
Premier Miton US Opportunities B Acc	0.560%	0.000%	1,500,000	0	2024-11-30
Ninety One Global Environment K	0.546%	-3.895%	1,463,360	-59,305	2024-11-30
Fidelity Extended Market Index	0.544%	-1.842%	1,457,332	-27,350	2025-01-31
AB Sustainable Glb Thematic AXX USD	0.524%	-1.313%	1,403,119	-18,664	2024-10-31
First Trust Water ETF	0.507%	-0.290%	1,357,800	-3,947	2025-02-27
Fidelity World A-Dis-EUR	0.449%	-0.082%	1,200,706	-984	2024-11-30
Pictet Water Segregated Accounts	8.991%	0.000%	962,918	962,918	2024-03-31
Vanguard Extended Market Index Investor	1.393%	0.375%	741,862	2,768	2023-08-31
Invesco S&P MidCap Quality ETF	0.701%	-1.138%	374,827	-4,316	2024-05-31
Rheos Hifumi World Mother Fund	0.669%	112.210%	356,300	188,400	2023-02-15
Lyxor MSCI Water ESG Fltrd (DR) ETF Dist	0.666%	0.000%	354,449	0	2023-09-29
iShares Global Water ETF USD Dist	3.210%	0.000%	343,632	0	2024-08-30
Fidelity Sust Water & Waste A Acc EUR	2.869%	3.880%	307,144	11,472	2024-08-31
Fidelity® Extended Market Index	0.538%	1.311%	286,441	3,706	2023-11-30
Invesco S&P Global Water ETF	0.526%	0.000%	279,967	0	2023-05-31
DFA US Small Cap I	0.527%	-3.521%	279,050	-10,184	2022-11-30
Lord Abbett Developing Growth A	0.505%	0.000%	268,825	0	2022-12-31
Allianz Global Water W EUR	2.376%	0.280%	254,353	711	2024-08-31
State St S&P Midcap® Indx SL Cl II	2.299%	-0.243%	246,096	-600	2024-08-31
Vontobel Global Envir Change I EUR	2.199%	0.000%	235,386	0	2024-08-31
AB Small Cap Growth A	2.044%	0.316%	218,886	690	2024-08-31
AB Sustainable Global Thematic A	1.925%	-1.500%	206,131	-3,140	2024-08-31
Undrly Scot Eq North American Pen	1.807%	0.000%	193,423	0	2024-03-31
AB Discovery Growth A	1.758%	1.020%	188,206	1,900	2024-08-31
Aegon Intl Post DWS Balanced Mgd A	1.749%	-4.908%	187,260	-9,666	2024-03-31
Fidelity Global Special Sits A Acc	1.635%	0.000%	175,000	0	2024-07-31