CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in FIX — Comfort Systems USA Inc
CIK 884546
SAN FRANCISCO, CA
Position in FIX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$590,313,897
+$193,530,210 QoQ
Shares Held
297,845
+3.5% QoQ
Ownership
0.846%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#18
of 1,341 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FIX Over Time
Shares Held
Position Value (USD)
Position in Engineering & Construction
Industrials · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $3,791,857,827 across 37 Engineering & Construction names. FIX ranks #2 (15.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PWR |
Quanta Services, Inc.
|
1,207,652 | $869,557,745 | |
| 2 | FIX |
Comfort Systems USA Inc
This page
|
297,845 | $590,313,897 | |
| 3 | EME |
EMCOR Group, Inc.
|
368,895 | $306,138,581 | |
| 4 | STRL |
Sterling Infrastructure, Inc.
|
318,224 | $267,104,496 | |
| 5 | MTZ |
Mastec Inc
|
551,319 | $229,381,782 | |
| 6 | DY |
Dycom Industries Inc
|
346,896 | $175,387,148 | |
| 7 | APG |
APi Group Corp
|
2,953,405 | $125,076,700 | |
| 8 | AGX |
Argan Inc
|
144,771 | $115,606,882 |
All Filings in FIX
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $590,313,897 | 297,845 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $396,783,687 | 287,735 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $267,370,785 | 286,482 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $171,413,816 | 207,729 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $162,037,299 | 302,190 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $97,739,803 | 303,229 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $126,694,285 | 298,765 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $117,884,919 | 301,998 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $121,675,370 | 400,090 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $150,695,254 | 474,317 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $96,225,794 | 467,865 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $81,243,989 | 476,756 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $59,862,558 | 364,571 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $54,680,410 | 374,626 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $43,365,366 | 376,828 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $36,417,674 | 374,167 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $30,756,602 | 369,893 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $32,260,072 | 362,432 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $35,392,915 | 357,721 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $25,638,684 | 359,488 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $28,761,186 | 365,036 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $27,440,590 | 367,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $21,111,078 | 400,894 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $20,530,289 | 398,569 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $14,742,005 | 361,767 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $13,515,093 | 369,770 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||