$ACNB

$64.99 -$0.43 (0.66%) Close

$ACNB Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 10.2M shares outstanding

Who owns ACNB?

By type of holder

Institutions 40.6% Insiders 0.0% Everyone else 59.4%

Concentration Top 10 holders own 29.3%

BlackRock, Inc. 6.9% · Vanguard Capital Management LLC 4.3%

Institutional ownership

40.6%

+0.1 pts vs last qtr

Institutional holders

115

+7 vs last qtr

Net shares bought

+7.0K

by institutions in Q2 2026

New / sold out

17 / 10

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

BlackRock, Inc. +82.6K
American Century Companies Inc +79.7K

Biggest sellers in Q2 2026

FMR LLC −363.0K
Stifel Financial Corp SOLD OUT −27.8K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for ACNB Corp in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2022–FY2025

+19.3%

+6.07% a year

Each share's claim on the business

−16.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$20.1M vs —

over 4 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years67% 3–5 years2% 1–3 years22% Under 1 year9%

Quarterly turnover

12.2%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ACNB on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	705.1K	6.93%	+82.6K (+13.3%)	≤2021	0.0%
Shares held by quarter Peak holding705.1K (Q2'26) Change over 8 quarters+178.4K Share of the company6.930% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	435.0K	4.28%	+7.3K (+1.7%)	≤2021	0.0%
Shares held by quarter Peak holding435.0K (Q2'26) Change over 8 quarters+435.0K Share of the company4.280% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

705.1K

% of company

6.93%

Change vs last qtr

+82.6K (+13.3%)

Held since

≤2021

Vanguard Capital Management LLC

435.0K

% of company

4.28%

Change vs last qtr

+7.3K (+1.7%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding ACNB Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting ACNB on Form N-PORT; together they hold 22.5% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$18.1M	305.4K	3.00%	0.00%	June 30, 2026
IR iShares Russell 2000 ETF iShares Trust	$16.7M	282.0K	2.77%	0.02%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$18.1M

% of company

3.00%

% of the fund

0.00%

As of

June 30, 2026

iShares Russell 2000 ETF

iShares Trust

Position value

$16.7M

% of company

2.77%

% of the fund

0.02%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding ACNB Corp and how much of the fund the position is.

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