Tetra Tech, Inc.
US ˙ NasdaqGS ˙ US88162G1031

SecurityTTEK / Tetra Tech, Inc.
InstitutionMacquarie Group Ltd
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
Macquarie Group Ltd closes position in TTEK / Tetra Tech, Inc.

On February 13, 2026 - Macquarie Group Ltd filed a 13F-HR form disclosing ownership of 0 shares of Tetra Tech, Inc. (US:TTEK) valued at $0 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 280,010 shares of Tetra Tech, Inc.. The current value of the position is $0 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-02-13 2025-12-31 13F TETRA TECH INC COM 88162G103 0 -100.00 0
2025-11-13 2025-09-30 13F TETRA TECH INC COM 88162G103 280,010 4,951 1.80 9,347 -5.50 0.0109
2025-08-14 2025-06-30 13F TETRA TECH INC COM 88162G103 275,059 -3,183 -1.14 9,891 21.53 0.0121
2025-08-14 2025-03-31 13F/A-1 TETRA TECH INC COM 88162G103 278,242 5,078 1.86 8,139 -25.21 0.0101
2025-05-15 2025-03-31 13F TETRA TECH INC COM 88162G103 278,242 5,078 8,139 0.0066
2025-02-14 2024-12-31 13F TETRA TECH INC COM 88162G103 273,164 -111,291 -28.95 10,883 -39.98 0.0132
2024-11-14 2024-09-30 13F TETRA TECH INC COM 88162G103 384,455 311,950 430.25 18,131 22.29 0.0196
2024-08-09 2024-06-30 13F TETRA TECH INC COM 88162G103 72,505 17,335 31.42 14,826 45.50 0.0170
2024-05-14 2024-03-31 13F TETRA TECH INC COM 88162G103 55,170 -1,266 -2.24 10,190 8.16 0.0116
2024-02-14 2023-12-31 13F TETRA TECH INC COM 88162G103 56,436 218 0.39 9,421 10.23 0.0109
2023-11-14 2023-09-30 13F TETRA TECH INC COM 88162G103 56,218 -241,892 -81.14 8,547 -82.49 0.0107
2023-10-27 2023-06-30 13F/A-2 TETRA TECH INC COM 88162G103 298,110 -62,642 -17.36 48,813 -7.90 0.0558
2023-10-12 2023-06-30 13F/A-1 TETRA TECH INC COM 88162G103 298,110 -62,642 48,813 0.0491
2023-08-14 2023-06-30 13F TETRA TECH INC COM 88162G103 298,110 -62,642 48,813 0.0495
2023-06-01 2023-03-31 13F/A-1 TETRA TECH INC COM 88162G103 360,752 15,568 4.51 52,998 5.75 0.0630
2023-05-15 2023-03-31 13F TETRA TECH INC COM 88162G103 360,752 15,568 52,998 0.0487
2023-02-21 2022-12-31 13F TETRA TECH INC COM 88162G103 345,184 -4,608 -1.32 50,117 11.29 0.0592
2022-11-14 2022-09-30 13F TETRA TECH INC COM 88162G103 349,792 -417,679 -54.42 45,034 -57.03 0.0552
2022-08-17 2022-06-30 13F/A-1 TETRA TECH INC COM 88162G103 767,471 26,144 3.53 104,798 -14.29 0.1177
2022-08-15 2022-06-30 13F TETRA TECH INC COM 88162G103 767,471 26,144 104,798 0.0375
2022-05-16 2022-03-31 13F TETRA TECH INC COM 88162G103 741,327 42,665 6.11 122,274 3.07 0.0930
2022-02-11 2021-12-31 13F Tetra Tech COM 88162G103 698,662 -22,346 -3.10 118,633 10.18 0.0988
2021-11-12 2021-09-30 13F TETRA TECH INC COM 88162G103 721,008 -4,287 -0.59 107,675 21.65 0.0918
2021-08-13 2021-06-30 13F TETRA TECH INC COM 88162G103 725,295 -28,163 -3.74 88,515 -13.44 0.0727
2021-05-14 2021-03-31 13F TETRA TECH INC COM 88162G103 753,458 -172,781 -18.65 102,260 -4.64 0.1446
2021-02-16 2020-12-31 13F TETRA TECH INC COM 88162G103 926,239 -14,432 -1.53 107,240 19.38 0.1566
2020-11-13 2020-09-30 13F TETRA TECH INC COM 88162G103 940,671 -462 -0.05 89,834 20.64 0.1521
2020-08-11 2020-06-30 13F TETRA TECH INC COM 88162G103 941,133 -14,476 -1.51 74,462 10.34 0.1282
2020-05-15 2020-03-31 13F TETRA TECH INC COM 88162G103 955,609 29,497 3.19 67,485 -15.42 0.1386
2020-03-18 2019-12-31 13F/A-2 TETRA TECH INC COM 88162G103 926,112 -194,507 -17.36 79,793 -17.93 0.1139
2020-02-28 2019-12-31 13F/A-1 TETRA TECH INC COM 88162G103 926,112 0 79,793 0.1153
2020-02-14 2019-12-31 13F TETRA TECH INC COM 88162G103 926,112 -194,507 79,793 100,133.4527
2019-11-14 2019-09-30 13F TETRA TECH INC COM 88162G103 1,120,619 -21,456 -1.88 97,225 8.38 0.1630
2019-11-06 2019-06-30 13F/A-2 TETRA TECH INC COM 88162G103 1,142,075 107,339 10.37 89,710 45.49 0.1513
2019-09-24 2019-06-30 13F/A-1 TETRA TECH INC COM 88162G103 1,142,075 0 89,710 0.1526
2019-08-14 2019-06-30 13F TETRA TECH INC COM 88162G103 1,142,075 107,339 89,710
2019-05-15 2019-03-31 13F TETRA TECH INC COM 88162G103 1,034,736 86,805 9.16 61,660 25.64 0.1052
2019-02-15 2018-12-31 13F TETRA TECH INC COM 88162G103 947,931 -23,100 -2.38 49,075 -26.00 0.0948
2018-11-15 2018-09-30 13F TETRA TECH INC COM 88162G103 971,031 55,171 6.02 66,322 23.79 0.1081
2019-03-21 2018-06-30 13F/A-1 TETRA TECH INC COM 88162G103 915,860 93,785 11.41 53,578 33.14 0.0924
2018-08-14 2018-06-30 13F TETRA TECH INC COM 88162G103 915,860 93,785 53,578
2018-05-11 2018-03-31 13F TETRA TECH INC COM 88162G103 822,075 75,913 10.17 40,241 12.00 0.0733
2018-02-14 2017-12-31 13F TETRA TECH INC COM 88162G103 746,162 63,040 9.23 35,928 12.98 0.0635
2017-11-08 2017-09-30 13F TETRA TECH INC COM 88162G103 683,122 -24,097 -3.41 31,799 -1.72 0.0570
2017-08-14 2017-06-30 13F TETRA TECH INC COM 88162G103 707,219 -466,477 -39.74 32,355 -32.52 0.0591
2017-05-15 2017-03-31 13F Tetra Tech COM 88162G103 1,173,696 -24,700 -2.06 47,945 -7.28 0.0871
2017-03-30 2016-12-31 13F/A-1 Tetra Tech COMMON 88162G103 1,198,396 174,539 17.05 51,711 42.39 0.0990
2017-02-15 2016-12-31 13F Tetra Tech COMMON 88162G103 1,198,396 51,711
2016-11-15 2016-09-30 13F TETRA TECH COMMON 88162G103 1,023,857 330,259 47.62 36,316 70.30 0.0699
2016-09-14 2016-06-30 13F/A-1 TETRA TECH COMMON 88162G103 693,598 160,774 30.17 21,325 34.21 0.0419
2016-08-15 2016-06-30 13F TETRA TECH COMMON 88162G103 693,598 21,325
2016-05-16 2016-03-31 13F TETRA TECH COMMON 88162G103 532,824 82,955 18.44 15,889 35.73 0.0320
2016-02-16 2015-12-31 13F TETRA TECH COMMON 88162G103 449,869 38,185 9.28 11,706 16.97 0.0240
2015-11-16 2015-09-30 13F TETRA TECH COMMON 88162G103 411,684 83,983 25.63 10,008 19.11 0.0215
2015-08-21 2015-06-30 13F/A-1 TETRA TECH COMMON 88162G103 327,701 48,728 17.47 8,402 25.38 0.0166
2015-08-14 2015-06-30 13F TETRA TECH COMMON 88162G103 327,701 8,402
2015-05-18 2015-03-31 13F TETRA TECH COMMON 88162G103 278,973 58,400 26.48 6,701 13.79 0.0132
2015-02-17 2014-12-31 13F TETRA TECH COMMON 88162G103 220,573 34,583 18.59 5,889 26.75 0.0121
2014-11-14 2014-09-30 13F TETRA TECH COMMON 88162G103 185,990 41,130 28.39 4,646 16.62 0.0100
2014-08-14 2014-06-30 13F TETRA TECH COMMON 88162G103 144,860 17,145 13.42 3,984 5.42 0.0089
2014-05-15 2014-03-31 13F TETRA TECH Common 88162G103 127,715 33,585 35.68 3,779 43.47 0.0065
2014-02-14 2013-12-31 13F TETRA TECH Common Stock 88162G103 94,130 8,965 10.53 2,634 19.46 0.0047
2013-11-14 2013-09-30 13F TETRA TECH Common Stock 88162G103 85,165 -3,280 -3.71 2,205 6.06 0.0043
2013-08-16 2013-06-30 13F/A-1 TETRA TECH COMMON 88162G103 88,445 88,445 2,079 0.0045
2013-08-14 2013-06-30 13F TETRA TECH COMMON 88162G103 88,445 2,079 0.0045
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.