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RHUMBLINE ADVISERS

Position in POWL — Powell Industries Inc

CIK 1115418 BOSTON, MA

Position in POWL

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$16,596,566
+$2,984,076 QoQ
Shares Held
57,957
+130.4% QoQ
Ownership
0.159%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#75
of 571 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 66% Shared 0% None 34%

Common Shares in POWL Over Time

Shares Held

Position Value (USD)

Position in Electrical Equipment & Parts

Industrials · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $600,344,577 across 28 Electrical Equipment & Parts names. POWL ranks #8 (2.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 POWL
Powell Industries Inc
This page
57,957 $16,596,566

All Filings in POWL

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,596,566 57,957
2026-03-31 $13,612,490 25,158
2025-12-31 $7,959,617 24,969
2025-09-30 $8,025,035 26,328
2025-06-30 $5,607,440 26,645
2025-03-31 $4,337,115 25,463
2024-12-31 $5,617,716 25,345
2024-09-30 $5,632,332 25,372
2024-06-30 $3,754,355 26,181
2024-03-31 $4,019,545 28,247
2023-12-31 $2,535,049 28,677
2023-09-30 $2,512,198 30,304
2023-06-30 $1,875,142 30,948
2023-03-31 $1,376,852 32,328
2022-12-31 $1,070,741 30,436
2022-09-30 $638,157 30,273
2022-06-30 $642,745 27,503
2022-03-31 $503,771 25,941
2021-12-31 $776,058 26,316
2021-09-30 $635,208 25,853
2021-06-30 $893,993 28,885
2021-03-31 $1,041,604 30,753
2020-12-31 $898,501 30,468
2020-09-30 $666,733 27,631
2020-06-30 $803,978 29,353
2020-03-31 $830,889 32,368