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American Public Education APEI

US equityMarket cap rank #3370Education & Training Services

$46.05 −$0.17 (-0.37%)

Pre-market · Oct 8, 9:00 am ET · After hours $46.05 0.00%

Open$45.93

Prev close$46.22

Day range$45.51 – $46.66

Volume294.2K

Market cap$842.79M

P/E (TTM)19.0

Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership108.1%-0.69 pts vs. prior quarter

Institutions holding245-3 vs. prior quarter

Insider trades (recent)21 buys / 29 sellsNet selling

Short interest10.94% of floatDays to cover 9.8 · as of 15 Sep 2026

Short-sale volume share22.2%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$651.5K (10 inflow days, 10 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 34.0% of shares outstanding.

Largest holders

BlackRock9.68%
325 Capital, LLC6.47%
FMR6.47%
Divisadero Street Capital Management, LP6.39%
Renaissance Technologies Corp.4.98%
Vanguard Capital Management, LLC4.63%
Dimensional Fund Advisors3.84%
American Century Investment Management3.79%

By investor type

Mutual Fund70.29%
Hedge Fund29.76%
Individual/Insider5.49%
Public Company5.40%
Private Company1.32%
Insurance Company0.72%
Government Pension Fund0.60%
Family Office/Trust0.03%

Reported short interest has held roughly steady near 10.94% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
FMR	Mutual Fund	2026/Q3	+395,254	6.5%
BlackRock	Mutual Fund	2026/Q3	+321,872	9.7%
Qube Research & Technologies Ltd	Mutual Fund	2026/Q3	+197,631	2.2%
Divisadero Street Capital Management, LP	Hedge Fund	2026/Q3	+117,287	6.4%
Mackenzie Financial Corporation	Mutual Fund	2026/Q3	+115,740	1.0%
Vanguard Portfolio Management, LLC	Mutual Fund	2026/Q3	+74,944	2.3%
HSBC Global Asset Management (UK) Limited	Mutual Fund	2026/Q3	+62,746	0.4%
SG Capital Management LLC	Hedge Fund	2026/Q3	+51,788	0.3%
Royce & Associates, LP	Mutual Fund	2026/Q3	+51,690	2.1%
Jackson National Asset Management, LLC	Mutual Fund	2026/Q3	+43,177	0.2%
Oberweis Asset Management, Inc.	Mutual Fund	2026/Q3	+42,000	0.9%
Geode Capital Management, LLC	Mutual Fund	2026/Q3	+39,258	2.9%
Trexquant Investment LP	Hedge Fund	2026/Q3	+38,923	0.5%
State Street Global Advisors	Mutual Fund	2026/Q3	+37,483	2.2%
Squarepoint OPS LLC	Hedge Fund	2026/Q3	+37,049	0.3%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

Date	Insider	Title	Transaction	Shares	Price	Held after
30 Sep 2026	Daniel Pianko	Independent Director	Other Acquisition	+1,106	$36.15	5,455
11 Aug 2026	James Kenigsberg	Independent Director	Automatic Disposition	-1,313	$45.72	24,707
11 Aug 2026	Nuno Fernandes	President of American Public University	Derivative Exercise and Sale	-8,800	$45.13	41,223
3 Aug 2026	James Kenigsberg	Independent Director	Sale to Issuer	-2,133	$53.42	26,020
2 Aug 2026	James Kenigsberg	Independent Director	Other Acquisition	+7,573	–	20,022
30 Jun 2026	Daniel Pianko	Independent Director	Other Acquisition	+1,107	$36.15	4,349
21 Jun 2026	Thomas Beckett	Senior Vice President	Automatic Disposition	-2,000	$54.00	52,172
14 Jun 2026	Thomas Beckett	Senior Vice President	Automatic Disposition	-8,000	$53.01	54,172
21 May 2026	Richard Statuto	Director	Other Acquisition	+2,135	–	6,775
21 May 2026	Daniel Friedberg		Other Acquisition	+2,135	–	2,135
21 May 2026	Daniel Pianko	Independent Director	Other Acquisition	+2,135	–	3,242
21 May 2026	James Kenigsberg	Independent Director	Sale to Issuer	-1,286	$51.50	21,929
21 May 2026	Granetta Blevins	Independent Director	Other Acquisition	+2,135	–	60,080
21 May 2026	Anna Fabrega	Independent Director	Other Acquisition	+2,135	–	33,431
12 May 2026	Nuno Fernandes	President of American Public University	Open Market Disposition	-4,500	$53.34	41,223
31 Mar 2026	Daniel Pianko	Independent Director	Other Acquisition	+1,107	$36.15	1,107
19 Mar 2026	325 Capital, LLC		Open Market Disposition	-160,512	$55.55	1,183,732
18 Mar 2026	Nuno Fernandes	President of American Public University	Open Market Disposition	-1,100	$54.08	45,723
17 Mar 2026	325 Capital, LLC		Open Market Disposition	-184,259	$55.85	1,344,244
16 Mar 2026	Karmela Gaffney	Senior VP & CMO	Open Market Disposition	-2,700	$55.87	11,973

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Sep 2026	2,002,108	10.9%	9.8
31 Aug 2026	1,877,837	10.3%	7.8
14 Aug 2026	1,767,179	9.7%	4.6
31 Jul 2026	1,812,359	9.9%	5.8
15 Jul 2026	1,909,105	10.4%	5.6
30 Jun 2026	1,998,943	10.9%	6.1

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