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IESC · IES Holdings, Inc.

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$324.12 At close · Aug 24
Market Cap
$12.92B
Shares
39.85M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 415
Total Value: $28,036,203,207
Total Shares: 19,532,264

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 415 13F filers · Δ vs Mar 31, 2026
Top Holder
53.9%
Sep 2023 → Jun 2026 · range 53.9% – 68.0%
−1.8 pts
Top 5
74.7%
Sep 2023 → Jun 2026 · range 74.7% – 85.3%
−2.3 pts
Top 10
82.4%
Sep 2023 → Jun 2026 · range 82.4% – 91.5%
−1.4 pts
HHI
3,099
Sep 2023 → Jun 2026 · range 3,099 – 4,717
Highly concentrated−213

Quarterly Activity

vs Mar 31, 2026
New
114
Increased
122
Decreased
139
Sold Out
42
Unchanged
40
Holder count: +72
Institutional value: +58.6%
Shares held: +3.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 433
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1048268 CUSIP 44951W106 13F (30d) 357 filings 347 filers Visit website Investor relations