Stock Ownership/IESC

IES HOLDINGS INC (IESC): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in IESC · Industrials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
20
13F filers
Aggregate Value
$248.8M
Across holders
Last Price
$324.12
2026-08-24
Sector
Industrials
GICS
Quarterly fund activity12 increased8 reduced0 exited
Institutional Holders of IESC
↗
20 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund127K$93.0M37.4%0.0%Reduced$-21.9MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund107K$78.4M31.5%0.1%Added+$17.9MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund24K$17.6M7.1%0.0%Added+$16.7MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund21K$15.1M6.1%0.0%Reduced$-4.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund15K$10.8M4.3%0.0%Added+$1.8MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund10K$7.5M3.0%0.0%Added+$6.9MQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund10K$7.4M3.0%0.0%Reduced$-8.9MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund6K$4.1M1.7%0.0%Added+$2.5MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund5K$3.7M1.5%0.0%Added$-19.6MQ2 2026
Holocene Advisors, LP
CIK 0001700574
Hedge Fund3K$2.3M0.9%0.0%Added—Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$93.0M· 37.4% of total· 0.0% port· 127K sh· $-21.9M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$78.4M· 31.5% of total· 0.1% port· 107K sh· +$17.9M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$17.6M· 7.1% of total· 0.0% port· 24K sh· +$16.7M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$15.1M· 6.1% of total· 0.0% port· 21K sh· $-4.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$10.8M· 4.3% of total· 0.0% port· 15K sh· +$1.8M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$7.5M· 3.0% of total· 0.0% port· 10K sh· +$6.9M QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$7.4M· 3.0% of total· 0.0% port· 10K sh· $-8.9M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$4.1M· 1.7% of total· 0.0% port· 6K sh· +$2.5M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$3.7M· 1.5% of total· 0.0% port· 5K sh· $-19.6M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$2.3M· 0.9% of total· 0.0% port· 3K sh· — QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$1.9M· 0.8% of total· 0.0% port· 3K sh· $-489K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$1.7M· 0.7% of total· 0.0% port· 2K sh· +$1.4M QoQ· Q2 2026
Bridgewater Advisors Inc.Reduced
Hedge Fund
$996K· 0.4% of total· 0.1% port· 1K sh· $-1.4M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$940K· 0.4% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$862K· 0.3% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Hudson Bay Capital Management LPAdded
Hedge Fund
$823K· 0.3% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
Walleye Capital LLCReduced
Hedge Fund
$522K· 0.2% of total· 0.0% port· 711 sh· $-1.2M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$464K· 0.2% of total· 0.0% port· 631 sh· $-2K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$347K· 0.1% of total· 0.0% port· 473 sh· $-311K QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$284K· 0.1% of total· 0.0% port· 386 sh· $-213K QoQ· Q2 2026
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