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ESSEX INVESTMENT MANAGEMENT CO LLC

Position in PWR — Quanta Services, Inc.

CIK 201772 BOSTON, MA

Position in PWR

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$1,134,063
+$269,357 QoQ
Shares Held
1,575
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#1,000
of 1,924 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 85% Shared 0% None 15%

Common Shares in PWR Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $47,611,325 across 9 Engineering & Construction names. PWR ranks #6 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 PWR
Quanta Services, Inc.
This page
1,575 $1,134,063

All Filings in PWR

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,134,063 1,575
2026-03-31 $864,706 1,575
2025-12-31 $664,744 1,575
2025-09-30 $652,711 1,575
2025-06-30 $621,563 1,644
2025-03-31 $443,798 1,746
2024-12-31 $595,754 1,885
2024-09-30 $562,012 1,885
2024-06-30 $553,916 2,180
2024-03-31 $714,969 2,752
2023-12-31 $1,201,142 5,566
2023-09-30 $2,673,791 14,293
2023-06-30 $3,713,101 18,901
2023-03-31 $4,870,887 29,230
2022-12-31 $4,165,275 29,230
2022-09-30 $3,723,609 29,230
2022-06-30 $1,992,529 15,897
2022-03-31 $2,227,104 16,922
2021-12-31 $1,952,889 17,032
2021-09-30 $1,938,582 17,032
2021-06-30 $1,542,588 17,032
2021-03-31 $1,618,832 18,400
2020-12-31 $1,342,812 18,645
2020-09-30 $1,969,405 37,257
2020-06-30 $2,258,510 57,571
2020-03-31 $606,455 19,113