ACNB Corporation
ACNB Corporation (ACNB) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ACNB · as of Sep 30, 2025
Ownership Breakdown
90
Institutional Holders
▲ 14 vs Q2
$177.08M
Total Inst. Value
▲ $8.42M vs Q2
10.21M
Shares Outstanding
freeFloat 96.07%
4.02M
13F Shares Held
▲ 84,012 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ACNB largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
FMR LLC state commercial banks | 604.5K | 5.78% | 5.78% | $26.62B | Nov 13, 2025 | ▲ 14 |
BLACKROCK, INC. state commercial banks | 600.8K | 5.75% | 5.75% | $26.46B | Nov 12, 2025 | ▼ 8.8K |
VANGUARD GROUP INC state commercial banks | 529.8K | 5.07% | 5.07% | $23.33B | Nov 7, 2025 | ▼ 10.2K |
PRIVATE CAPITAL MANAGEMENT, LLC state commercial banks | 345.6K | 3.31% | 3.31% | $15.22B | Nov 14, 2025 | ▲ 31.1K |
DIMENSIONAL FUND ADVISORS LP state commercial banks | 311.3K | 2.98% | 2.98% | $13.71B | Nov 12, 2025 | ▲ 8.2K |
GEODE CAPITAL MANAGEMENT, LLC state commercial banks | 242.1K | 2.32% | 2.32% | $10.66B | Nov 12, 2025 | ▼ 1.4K |
STATE STREET CORP state commercial banks | 182.9K | 1.75% | 1.75% | $8.05B | Nov 14, 2025 | ▲ 3.8K |
MANUFACTURERS LIFE INSURANCE COMPANY, THE state commercial banks | 146.7K | 1.40% | 1.40% | $6.46B | Nov 14, 2025 | ▼ 1.8K |
AMERICAN CENTURY COMPANIES INC state commercial banks | 108.6K | 1.04% | 1.04% | $4.78B | Nov 12, 2025 | ▼ 436 |
BRIDGEWAY CAPITAL MANAGEMENT, LLC state commercial banks | 100.7K | 96.34% | 96.34% | $4.43B | Nov 14, 2025 | ▲ 176 |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+134.1K shares5
New Positions
first time holders15
Decreased
−101.7K shares0
Sold Out
fully exitedNet shares change (top 50)
+32.4K
+134.1K / −101.7K
Net new holders
+14
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ACNB insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Seibel Donald Arthur Jr director | Mar 13, 2026 | Award | 296.209 | $46.42 | $13.7K | 6.5K | Form 4 ↗ |
Kelley Scott L director | Mar 13, 2026 | Award | 221.887 | $46.42 | $10.3K | 28.0K | Form 4 ↗ |
Draganosky Eugene J. director | Mar 13, 2026 | Award | 221.887 | $46.42 | $10.3K | 13.3K | Form 4 ↗ |
FULK BRETT D ACNB Bank EVP | Mar 13, 2026 | Award | 3,239.293 | $46.42 | $150.4K | 4.3K | Form 4 ↗ |
FULK BRETT D ACNB Bank EVP | Mar 13, 2026 | Tax Withhold | 315.184 | $46.42 | $14.6K | 4.0K | Form 4 ↗ |
ELSNER FRANK III director | Mar 13, 2026 | Purchase | 5.386 | $46.42 | $250 | 28.5K | Form 4 ↗ |
ELSNER FRANK III director | Mar 13, 2026 | Award | 221.887 | $46.42 | $10.3K | 28.5K | Form 4 ↗ |
Potts Daniel W director | Mar 13, 2026 | Award | 221.887 | $46.42 | $10.3K | 10.0K | Form 4 ↗ |
Berwager Emily E ACNB Bank SVP | Mar 13, 2026 | Award | 1,734.166 | $46.42 | $80.5K | 6.2K | Form 4 ↗ |
Berwager Emily E ACNB Bank SVP | Mar 13, 2026 | Tax Withhold | 181.063 | $46.42 | $8.4K | 6.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ACNB Corporation (ACNB) is primarily owned by institutional investors, who hold approximately 39.4% of total shares outstanding. Company insiders own approximately 3.93%, while retail and public investors account for the remaining 56.70%.
The largest institutional shareholder of ACNB Corporation is FMR LLC, holding approximately 604,540 shares — equal to 5.78% of outstanding shares — as of September 30, 2025.
A total of 90 institutional investors currently hold ACNB stock, with a combined institutional value of approximately $177,075,729 as of the most recent 13F filing period.
Frequently asked questions
ACNB ownershipACNB Corporation (ACNB) is primarily owned by institutional investors, who hold approximately 39.4% of shares. The largest shareholder is FMR LLC with a 5.78% stake. Company insiders hold 3.93%. Data sourced from SEC Form 13F as of September 30, 2025.