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BLAIR WILLIAM & CO/IL

Position in PWR — Quanta Services, Inc.

CIK 902367 CHICAGO, IL

Position in PWR

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$161,767,786
+$37,771,619 QoQ
Shares Held
224,665
-0.5% QoQ
Ownership
0.149%
of shares outstanding
% of Portfolio
0.48%
of 13F equity value
Holder Rank
#89
of 1,925 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 18% Shared 0% None 82%

Common Shares in PWR Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $221,709,884 across 15 Engineering & Construction names. PWR ranks #1 (73.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 PWR
Quanta Services, Inc.
This page
224,665 $161,767,786

All Filings in PWR

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $161,767,786 224,665
2026-03-31 $123,996,167 225,850
2025-12-31 $33,891,840 80,301
2025-09-30 $16,305,354 39,345
2025-06-30 $14,040,000 37,135
2025-03-31 $9,110,827 35,844
2024-12-31 $11,482,412 36,331
2024-09-30 $7,892,626 26,472
2024-06-30 $6,403,576 25,202
2024-03-31 $5,999,041 23,091
2023-12-31 $4,839,530 22,426
2023-09-30 $3,888,437 20,786
2023-06-30 $3,688,152 18,774
2023-03-31 $2,552,591 15,318
2022-12-31 $2,508,570 17,604
2022-09-30 $2,049,322 16,087
2022-06-30 $2,150,959 17,161
2022-03-31 $2,126,291 16,156
2021-12-31 $1,521,767 13,272
2021-09-30 $1,416,034 12,441
2021-06-30 $1,060,031 11,704
2021-03-31 $1,383,133 15,721
2020-12-31 $985,521 13,684
2020-09-30 $872,665 16,509
2020-06-30 $794,878 20,262
2020-03-31 $702,343 22,135