PC CONNECTION INC

Ticker: CNXN CUSIP: 69318J100 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.2,246,945$129,784
DIMENSIONAL FUND ADVISORS LP1,522,149$87,920
VANGUARD GROUP INC1,080,151$62,390
STATE STREET CORP447,521$25,849
GEODE CAPITAL MANAGEMENT, LLC377,001$21,777
BROWN ADVISORY INC273,114$15,775
CHARLES SCHWAB INVESTMENT MANAGEMENT INC234,112$13,522
Invesco Ltd.219,220$12,662
MORGAN STANLEY218,291$12,609
NORTHERN TRUST CORP200,269$11,568
AMERICAN CENTURY COMPANIES INC195,289$11,280
Qube Research & Technologies Ltd153,943$8,892
GOLDMAN SACHS GROUP INC150,235$8,678
MILLENNIUM MANAGEMENT LLC146,686$8,473
Bank of New York Mellon Corp136,636$7,892
TEACHER RETIREMENT SYSTEM OF TEXAS114,768$6,629
JACOBS LEVY EQUITY MANAGEMENT, INC113,736$6,569
AQR CAPITAL MANAGEMENT LLC113,362$6,548
TWO SIGMA INVESTMENTS, LP106,906$6,175
UBS Group AG89,814$5,188
FMR LLC89,078$5,145
D. E. Shaw & Co., Inc.84,566$4,885
RHUMBLINE ADVISERS83,288$4,811
ROYCE & ASSOCIATES LP79,288$4,580
TWO SIGMA ADVISERS, LP70,800$4,089
DENALI ADVISORS LLC67,300$3,887
JPMORGAN CHASE & CO59,948$3,463
RENAISSANCE TECHNOLOGIES LLC57,900$3,344
CITADEL ADVISORS LLC56,602$3,269
PRINCIPAL FINANCIAL GROUP INC54,130$3,127
Allianz Asset Management GmbH51,699$2,986
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC50,104$2,894
FIRST TRUST ADVISORS LP48,576$2,806
AMERIPRISE FINANCIAL INC45,933$2,653
Public Sector Pension Investment Board39,268$2,268
BARCLAYS PLC35,986$2,079
BANK OF AMERICA CORP /DE/35,862$2,071
JAMES INVESTMENT RESEARCH INC35,071$2,026
Nuveen, LLC34,056$1,967
LAZARD ASSET MANAGEMENT LLC32,540$1,880
Legal & General Group Plc30,655$1,771
HRT FINANCIAL LP30,017$2
Numerai GP LLC29,301$1,692
PDT Partners, LLC28,890$1,669
SG Americas Securities, LLC28,495$2
Moran Wealth Management, LLC27,515$1,589
Allspring Global Investments Holdings, LLC25,680$1,483
WELLS FARGO & COMPANY/MN22,518$1,301
Swiss National Bank22,500$1,300
Squarepoint Ops LLC22,355$1,291
ALLIANCEBERNSTEIN L.P.22,285$1,287
JANE STREET GROUP, LLC21,344$1,233
AlphaQuest LLC21,334$1,232
Creative Planning20,905$1,207
DARK FOREST CAPITAL MANAGEMENT LP20,032$1,157
NEW YORK STATE COMMON RETIREMENT FUND19,997$1,155
MARTINGALE ASSET MANAGEMENT L P19,137$1,105
Verition Fund Management LLC18,707$1,081
Jump Financial, LLC18,572$1,073
ROYAL BANK OF CANADA18,492$1,068
HSBC HOLDINGS PLC18,089$1,050
Walleye Capital LLC18,007$1,040
ALGERT GLOBAL LLC17,549$1
Point72 Asset Management, L.P.17,441$1,007
UBS ASSET MANAGEMENT AMERICAS INC16,871$974
Voya Investment Management LLC16,859$974
PRUDENTIAL FINANCIAL INC16,491$953
Engineers Gate Manager LP14,981$865
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM14,627$845
KLP KAPITALFORVALTNING AS14,500$838
VICTORY CAPITAL MANAGEMENT INC13,012$752
ExodusPoint Capital Management, LP12,923$746
Trexquant Investment LP12,498$722
Campbell & CO Investment Adviser LLC12,281$709
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM11,995$693
SEI INVESTMENTS CO10,943$632
GSA CAPITAL PARTNERS LLP10,869$1
BNP PARIBAS ARBITRAGE, SA10,568$610
STATE OF WISCONSIN INVESTMENT BOARD10,502$607
Horizon Investments, LLC10,436$603
Connor, Clark & Lunn Investment Management Ltd.10,386$600
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO9,903$572
GREAT WEST LIFE ASSURANCE CO /CAN/9,833$1
Pacific Ridge Capital Partners, LLC9,824$567
DEUTSCHE BANK AG\9,821$567
Vident Advisory, LLC9,782$565
State of Wyoming8,878$513
AVIVA PLC8,291$479
Verdad Advisers, LP8,182$473
Haven Private, LLC8,166$472
PRICE T ROWE ASSOCIATES INC /MD/8,112$0
Thrivent Financial for Lutherans7,806$0
MIRABELLA FINANCIAL SERVICES LLP7,671$443
STRS OHIO7,500$433
Quantinno Capital Management LP7,219$417
MetLife Investment Management, LLC6,989$404
State of Alaska, Department of Revenue6,903$0
CITIGROUP INC6,883$398
NorthCrest Asset Manangement, LLC6,704$387
ACADIAN ASSET MANAGEMENT LLC6,532$0
82 other institutions132,559$6,844
Total (182 institutions)10,300,260$586,860