Position in TTEK
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$68,891,970
-$9,829,898 QoQ
Shares Held
2,287,250
-2.6% QoQ
Ownership
0.881%
of shares outstanding
% of Portfolio
1.46%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 97.58443545742705.ToString("F0")%
Shared 0.ToString("F0")%
None 2.415564542572959.ToString("F0")%
Common Shares in TTEK Over Time
Shares Held
Position Value (USD)
Position in Engineering & Construction
Industrials · as of Mar 31, 2026Robeco Schweiz AG holds $449,874,063 across 7 Engineering & Construction names. TTEK ranks #2 (15.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PWR |
Quanta Services, Inc.
|
323,329 | $177,514,087 | |
| 2 | TTEK |
Tetra Tech Inc
This page
|
2,287,250 | $68,891,970 | |
| 3 | EME |
EMCOR Group, Inc.
|
64,260 | $47,443,800 | |
| 4 | FIX |
Comfort Systems USA Inc
|
31,474 | $43,402,331 | |
| 5 | APG |
APi Group Corp
|
1,048,034 | $42,466,337 | |
| 6 | J |
Jacobs Solutions Inc.
|
303,330 | $38,607,842 | |
| 7 | ACM |
Aecom
|
371,937 | $31,547,696 |
All Filings in TTEK
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $68,891,970 | 2,287,250 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $78,721,868 | 2,347,104 | Shares | Sole | 2026-02-03 | |
| 2025-09-30 | $79,411,687 | 2,379,020 | Shares | Defined | 2025-10-27 | |
| 2025-06-30 | $100,613,706 | 2,797,934 | Shares | Defined | 2025-08-07 | |
| 2025-03-31 | $93,369,393 | 3,192,116 | Shares | Defined | 2025-04-30 | |
| 2024-12-31 | $97,603,020 | 2,449,875 | Shares | Defined | 2025-02-05 | |
| 2024-09-30 | $91,346,279 | 1,936,944 | Shares | Defined | 2024-11-04 | |
| 2024-06-30 | $13,172,642 | 322,101 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $11,060,028 | 299,389 | Shares | Defined | 2024-04-25 | |
| 2023-12-31 | $7,902,132 | 236,690 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $7,228,509 | 237,733 | Shares | Defined | 2023-11-08 | |
| 2023-06-30 | $7,348,192 | 224,386 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $7,340,563 | 249,832 | Shares | Defined | 2023-05-08 | |
| No filing history on record for this holder in this stock. | ||||||