Ninety One North America, Inc. TTEK — TETRA TECH INC

Ownership history in Ninety One North America, Inc.  ·  9 quarters on record

AI Ownership Summary

Ninety One North America, Inc. reported TETRA TECH INC (TTEK) in 9 quarterly 13F filings from 2024 Q2 through 2026 Q2. Peak portfolio weight reached 0.85% in 2024 Q3. The latest visible filing shows TTEK at 0.66% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this TTEK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Ninety One North America, Inc.'s position in TETRA TECH INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

TTEK was reported at 0.66% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.85% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

TTEK stock page Ninety One North America, Inc. fund profile Ninety One North America, Inc. full holdings
How Ninety One North America, Inc. held TTEK — position size vs. price
% of Fund (quarterly)    TTEK price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 485,767 +72,618 +17.6% 0.66% $14.0M 2026-07-16 $32.03
2026 Q1 REDUCED — — — 413,149 -2,386 -0.6% 0.56% $12.4M 2026-04-24 $31.16
2025 Q4 ADDED — — — 415,535 +11,440 +2.8% 0.56% $13.9M 2026-01-27 $37.17
2025 Q3 ADDED — — — 404,095 +19,306 +5.0% 0.63% $13.5M 2025-10-21 $33.75
2025 Q2 ADDED — — — 384,789 +19,063 +5.2% 0.68% $13.8M 2025-07-18 $37.87
2025 Q1 ADDED — — — 365,726 +93,013 +34.1% 0.72% $10.7M 2025-04-30 $30.89
2024 Q4 ADDED — — — 272,713 +6,968 +2.6% 0.67% $10.9M 2025-01-27 $38.15
2024 Q3 ADDED — — — 265,745 +208,205 +361.8% 0.85% $12.5M 2024-11-12 $47.64
2024 Q2 INITIATED — — — 57,540 — — 0.59% $11.8M 2024-07-22 $41.08

🏢 Other funds also holding TTEK

As of 2026 Q2 — sorted by position size

Renaissance Investment Group LLC 3Y 7Y 1.67% Robeco Schweiz AG 3Y 7Y 1.44% Foresight Group Ltd Liability Partnership 1.38% Premier Fund Managers Ltd 3Y 7Y 1.07% Portman Square Capital LLP 3Y 0.94% LOUISBOURG INVESTMENTS INC. 0.62% ISTHMUS PARTNERS, LLC 3Y 7Y 0.29% Trium Capital LLP 3Y 0.25% GHP Investment Advisors, Inc. 3Y 7Y 0.23% D'Orazio & Associates, Inc. 3Y 7Y 0.21%

FAQ About Ninety One North America, Inc. and TTEK

These are the practical questions this page is built to answer before you even open the full history table.

How long has Ninety One North America, Inc. reported owning TTEK?

Ninety One North America, Inc. reported TTEK across 9 quarterly 13F filings, from 2024 Q2 through 2026 Q2.

What was the largest reported TTEK position in Ninety One North America, Inc.'s portfolio?

The largest reported portfolio weight for TTEK was 0.85% in 2024 Q3.

What is the latest reported TTEK position on this page?

The most recent filing on this page is 2026 Q2, when Ninety One North America, Inc. reported 485,767 shares, equal to 0.66% of portfolio, with an estimated market value of $14.0M.

What does the chart on this TTEK ownership page compare?

The chart compares Ninety One North America, Inc.'s quarterly TTEK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Ninety One North America, Inc. time their TTEK position?

Based on 13F filing dates vs. subsequent TTEK price moves, Ninety One North America, Inc. correctly timed 3 out of 8 reported position changes (38%). The annualised alpha on TTEK relative to SPY over the holding period was -25.2%.

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