13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig EquipBellwetherCompounder
AAON

AAON INC

417 institutions still hold AAON INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 000360206·Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip·417 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 3.7%
vs prior quarter
13F value held
$3.6B
68.0% inst. owned
of float
Holders
417
-27 QoQ
filers reporting
Activity
+17 / −45
+833 added · −783 reduced
this quarter
Concentration
18.19%
WELLINGTON MANAGEMENT GROUP LLP #1
top holder share
AI Holders Summary · Q1 2026

417 institutions reported AAON in Q1 2026. WELLINGTON MANAGEMENT GROUP LLP leads at 18.2% of the visible book. -27 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$660M8.0M0.12%Q1 202602
BlackRock, Inc.
CIK 0002012383
$543M6.6M0.01%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$256M3.1M0.01%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$241M2.9M0.01%Q1 202605
WASATCH ADVISORS LP
CIK 0000814133
$188M2.3M1.25%Q1 202606
STATE STREET CORP
CIK 0000093751
$171M2.1M0.01%Q1 202607
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$167M2.0M0.12%Q1 202608
GENEVA CAPITAL MANAGEMENT LLC
CIK 0001009232
$142M1.7M3.03%Q1 202609
BLAIR WILLIAM & CO/IL
CIK 0000902367
$134M1.6M0.38%Q1 202610
Champlain Investment Partners, LLC
CIK 0001315478
$133M1.6M1.68%Q1 202611
Impax Asset Management Group plc
CIK 0001749768
$119M1.4M0.83%Q1 202612
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$118M1.4M0.01%Q1 202613
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$115M1.4M0.02%Q1 202614
Conestoga Capital Advisors, LLC
CIK 0001163744
$105M1.3M2.10%Q1 202615
Capital World Investors
CIK 0001422849
$105M1.3M0.01%Q1 202616
MORGAN STANLEY
CIK 0000895421
$104M1.3M0.01%Q1 202617
FRANKLIN RESOURCES INC
CIK 0000038777
$101M1.2M0.02%Q1 202618
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
CIK 0001021223
$88M1.1M0.26%Q1 202619
Spyglass Capital Management LLC
CIK 0001654344
$71M859K5.03%Q1 202620
Mawer Investment Management Ltd.
CIK 0001538449
$70M849K0.45%Q1 2026
Page 1 of 21
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