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ACNB · Acnb Corp

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$64.45 +0.80 (+1.26%) At close · Aug 21
Market Cap
$655.45M
Shares
10.17M

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: 116
Total Value: $246,175,267
Total Shares: 4,145,771

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 116 13F filers · Δ vs Mar 31, 2026
Top Holder
17.0%
Sep 2023 → Jun 2026 · range 14.9% – 19.9%
+1.9 pts
Top 5
51.3%
Sep 2023 → Jun 2026 · range 51.1% – 71.8%
+0.2 pts
Top 10
72.0%
Sep 2023 → Jun 2026 · range 72.0% – 86.1%
−0.8 pts
HHI
714
Sep 2023 → Jun 2026 · range 680 – 1,221
Broadly held+35

Quarterly Activity

vs Mar 31, 2026
New
19
Increased
51
Decreased
21
Sold Out
11
Unchanged
25
Holder count: +8
Institutional value: +24.5%
Shares held: +0.4%

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 116
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 715579 CUSIP 000868109 13F (30d) 105 filings 105 filers Visit website Investor relations