What does CUSIP 88162G103 represent in this 13F holders report?

CUSIP 88162G103 is the security identifier for TTEK - TETRA TECH INC - Common Stock used to aggregate holder disclosures.

How many institutions held TTEK - TETRA TECH INC - Common Stock in Q4 2015?

235 institutional investors reported TTEK - TETRA TECH INC - Common Stock for Q4 2015. Use the holders table for investor-level position and value details.

TETRA TECH INC - Common Stock (TTEK)

CUSIP: 88162G103

Q4 2015 13F Holders as of 31 Dec 2015

Type / Class: Equity / Common Stock
Shares outstanding: 265,433,531
Total 13F shares: 55,234,876
Share change: +162,916
Total reported value: $1,437,410,010
Price per share: $26.02
Number of holders: 235
Value change: +$4,811,478
Number of buys: 98
Number of sells: 106

Quarterly Holders Quick Answers

What is CUSIP 88162G103?
CUSIP 88162G103 identifies TTEK - TETRA TECH INC - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2016
Previous quarter: Q3 2015

Recent filing periods for CUSIP 88162G103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of TTEK - TETRA TECH INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	1.6%	4,176,923	$101,541,000	—	30 Sep 2015	13F
BlackRock Fund Advisors	13F	Company	1.3%	3,536,973	$85,984,000	—	30 Sep 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.2%	3,140,681	$76,350,000	—	30 Sep 2015	13F
Sterling Capital Management LLC	13F	Company	0.98%	2,610,320	$63,457,000	—	30 Sep 2015	13F
NORGES BANK	13F	Company	0.82%	2,182,269	$53,051,000	—	30 Sep 2015	13F
DEPRINCE RACE & ZOLLO INC	13F	Company	0.72%	1,909,597	$46,422,000	—	30 Sep 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	0.56%	1,484,186	$36,081,000	—	30 Sep 2015	13F
PZENA INVESTMENT MANAGEMENT LLC	13F	Company	0.48%	1,268,429	$30,836,000	—	30 Sep 2015	13F
STATE STREET CORP	13F	Company	0.47%	1,252,139	$30,438,000	—	30 Sep 2015	13F
Neuberger Berman Group LLC	13F	Company	0.45%	1,182,554	$28,748,000	—	30 Sep 2015	13F
BHF Kleinwort Benson Group S.A.	13F	Company	0.44%	1,165,590	$28,336,000	—	30 Sep 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.41%	1,089,971	$26,491,000	—	30 Sep 2015	13F
INTREPID CAPITAL MANAGEMENT INC	13F	Company	0.41%	1,084,393	$26,362,000	—	30 Sep 2015	13F
LOMBARDIA CAPITAL PARTNERS LLC	13F	Company	0.41%	1,080,093	$26,257,000	—	30 Sep 2015	13F
Invesco Ltd.	13F	Company	0.39%	1,036,242	$25,191,000	—	30 Sep 2015	13F
Boston Partners	13F	Company	0.38%	998,325	$24,269,000	—	30 Sep 2015	13F
NORTHERN TRUST CORP	13F	Company	0.37%	972,000	$23,631,000	—	30 Sep 2015	13F
RICE HALL JAMES & ASSOCIATES, LLC	13F	Company	0.36%	962,057	$23,388,000	—	30 Sep 2015	13F
Bank of New York Mellon Corp	13F	Company	0.36%	961,450	$23,373,000	—	30 Sep 2015	13F
PICTET ASSET MANAGEMENT LTD	13F	Company	0.35%	924,832	$22,483,000	—	30 Sep 2015	13F
COOKE & BIELER LP	13F	Company	0.32%	857,101	$20,836,000	—	30 Sep 2015	13F
RUSSELL FRANK CO/	13F	Company	0.3%	808,608	$19,658,000	—	30 Sep 2015	13F
VIRTUS CAPITAL ADVISERS, LLC	13F	Company	0.28%	741,790	$18,033,000	—	30 Sep 2015	13F
INVESTMENT COUNSELORS OF MARYLAND LLC	13F	Company	0.27%	710,125	$17,263,000	—	30 Sep 2015	13F
LMCG INVESTMENTS, LLC	13F	Company	0.27%	709,292	$17,243,000	—	30 Sep 2015	13F
Gotham Asset Management, LLC	13F	Company	0.24%	625,800	$15,213,000	—	30 Sep 2015	13F
MORGAN STANLEY	13F	Company	0.21%	545,458	$13,260,000	—	30 Sep 2015	13F
VOYA INVESTMENT MANAGEMENT LLC	13F	Company	0.2%	541,792	$13,171,000	—	30 Sep 2015	13F
Artisan Partners Limited Partnership	13F	Company	0.18%	479,581	$11,659,000	—	30 Sep 2015	13F
ROYAL BANK OF CANADA	13F	Company	0.18%	466,945	$11,352,000	—	30 Sep 2015	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.18%	464,969	$11,303,000	—	30 Sep 2015	13F
Robeco Schweiz AG	13F	Company	0.16%	436,335	$10,577,000	—	30 Sep 2015	13F
S&T BANK/PA	13F	Company	0.16%	412,693	$10,033,000	—	30 Sep 2015	13F
MACQUARIE GROUP LTD	13F	Company	0.16%	411,684	$10,008,000	—	30 Sep 2015	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.15%	403,341	$9,805,000	—	30 Sep 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.15%	396,088	$9,628,000	—	30 Sep 2015	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	0.15%	394,965	$9,602,000	—	30 Sep 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.15%	392,187	$9,534,000	—	30 Sep 2015	13F
WASATCH ADVISORS LP	13F	Company	0.14%	375,957	$9,140,000	—	30 Sep 2015	13F
Lapides Asset Management, LLC	13F	Company	0.14%	368,800	$8,966,000	—	30 Sep 2015	13F
WINSLOW ASSET MANAGEMENT INC	13F	Company	0.14%	364,765	$8,867,000	—	30 Sep 2015	13F
Water Asset Management LLC	13F	Company	0.13%	354,526	$8,619,000	—	30 Sep 2015	13F
FIRST WILSHIRE SECURITIES MANAGEMENT INC	13F	Company	0.13%	350,177	$8,513,000	—	30 Sep 2015	13F
THIRD AVENUE MANAGEMENT LLC	13F	Company	0.13%	346,716	$8,429,000	—	30 Sep 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.13%	343,249	$8,343,000	—	30 Sep 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.13%	339,709	$8,259,000	—	30 Sep 2015	13F
Phocas Financial Corp.	13F	Company	0.12%	307,612	$7,478,000	—	30 Sep 2015	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.11%	305,000	$7,415,000	—	30 Sep 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.11%	289,169	$7,030,000	—	30 Sep 2015	13F
JPMORGAN CHASE & CO	13F	Company	0.1%	257,946	$6,271,000	—	30 Sep 2015	13F

Institutional Holders of TETRA TECH INC - Common Stock (TTEK) as of Q4 2015

As of 31 Dec 2015, TETRA TECH INC - Common Stock (TTEK) was held by 235 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 55,234,876 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Fund Advisors, DIMENSIONAL FUND ADVISORS LP, Sterling Capital Management LLC, NORGES BANK, BHF Kleinwort Benson Group S.A., BlackRock Institutional Trust Company, N.A., STATE STREET CORP, DEPRINCE RACE & ZOLLO INC, and Neuberger Berman Group LLC. This page lists 235 institutional shareholders reporting positions in this security for the Q4 2015 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2015 vs Q3 2015 Across Filers

Q3 2015 holders

224

Q4 2015 holders

235

Holder diff

Investor	Q3 2015 Shares	Q4 2015 Shares	Share Diff	Share Chg %	Q3 2015 Value $	Q4 2015 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.