PC CONNECTION INC (CNXN) Top Institutional Shareholders
PC CONNECTION INC (CNXN) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $595.09M in CNXN holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of CNXN tracked by InsiderSet, reporting ownership valued at approximately $129.88M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $154.72M, representing an estimated gain of +19.12% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 65% of the total disclosed CNXN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in PC CONNECTION INC (CNXN).
This page ranks the largest institutional CNXN shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
183
Total Reported Value
$595.09M
Largest Holder
Blackrock, Inc.
Largest Position
$129.88M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
163
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 2,221,652 | $129,877,777 | $154,715,845 | +$24,838,068 | +19.12% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,526,494 | $89,236,866 | $106,305,042 | +$17,068,176 | +19.13% | |
| Vanguard Capital Management Llc | 0.00% | 508,637 | $29,734,919 | $35,421,481 | +$5,686,562 | +19.12% | |
| Vanguard Portfolio Management Llc | 0.00% | 490,677 | $28,684,977 | $34,170,746 | +$5,485,769 | +19.12% | |
| State Street Corp | 0.00% | 450,115 | $26,313,723 | $31,346,009 | +$5,032,286 | +19.12% | |
| Geode Capital Management, Llc | 0.00% | 390,990 | $22,859,993 | $27,228,544 | +$4,368,551 | +19.11% | |
| Brown Advisory Inc | 0.03% | 340,709 | $19,917,867 | $23,726,975 | +$3,809,108 | +19.12% | |
| Morgan Stanley | 0.00% | 222,471 | $13,005,693 | $15,492,880 | +$2,487,187 | +19.12% | |
| Charles Schwab Investment Management Inc | 0.00% | 220,039 | $12,863,480 | $15,323,516 | +$2,460,036 | +19.12% | |
| Invesco Ltd. | 0.00% | 217,844 | $12,735,161 | $15,170,656 | +$2,435,495 | +19.12% | |
| Goldman Sachs Group Inc | 0.00% | 216,435 | $12,652,792 | $15,072,533 | +$2,419,741 | +19.12% | |
| Northern Trust Corp | 0.00% | 202,782 | $11,854,635 | $14,121,738 | +$2,267,103 | +19.12% | |
| Two Sigma Investments, Lp | 0.01% | 183,718 | $10,740,154 | $12,794,122 | +$2,053,968 | +19.12% | |
| American Century Companies Inc | 0.00% | 140,102 | $8,190,387 | $9,756,703 | +$1,566,316 | +19.12% | |
| Bank Of New York Mellon Corp | 0.00% | 138,286 | $8,084,218 | $9,630,237 | +$1,546,019 | +19.12% | |
| Qube Research & Technologies Ltd | 0.01% | 127,913 | $7,477,794 | $8,907,861 | +$1,430,067 | +19.12% | |
| Aqr Capital Management Llc | 0.00% | 116,089 | $6,786,582 | $8,084,438 | +$1,297,856 | +19.12% | |
| Jacobs Levy Equity Management, Inc | 0.03% | 112,198 | $6,559,095 | $7,813,469 | +$1,254,374 | +19.12% | |
| Fmr Llc | 0.00% | 105,451 | $6,164,657 | $7,343,608 | +$1,178,951 | +19.12% | |
| Teacher Retirement System Of Texas | 0.03% | 103,583 | $6,055,462 | $7,213,520 | +$1,158,058 | +19.12% | |
| Rhumbline Advisers | 0.00% | 97,793 | $5,716,965 | $6,810,305 | +$1,093,340 | +19.12% | |
| Oberweis Asset Management Inc/ | 0.17% | 96,200 | $5,623,852 | $6,699,368 | +$1,075,516 | +19.12% | |
| Ubs Group Ag | 0.00% | 95,494 | $5,582,579 | $6,650,202 | +$1,067,623 | +19.12% | |
| Millennium Management Llc | 0.00% | 86,592 | $5,062,168 | $6,030,267 | +$968,099 | +19.12% | |
| Denali Advisors Llc | 0.54% | 83,300 | $4,869,718 | $5,801,012 | +$931,294 | +19.12% | |
| Royce & Associates Lp | 0.04% | 76,267 | $4,458,569 | $5,311,234 | +$852,665 | +19.12% | |
| Vanguard Fiduciary Trust Co | 0.00% | 73,388 | $4,290,262 | $5,110,740 | +$820,478 | +19.12% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 61,038 | $3,661,060 | $4,250,686 | +$589,626 | +16.11% | |
| D. E. Shaw & Co., Inc. | 0.00% | 60,796 | $3,554,134 | $4,233,833 | +$679,699 | +19.12% | |
| Renaissance Technologies LLC | Jim Simons | 0.01% | 58,000 | $3,390,680 | $4,039,120 | +$648,440 | +19.12% |
| Principal Financial Group Inc | 0.00% | 55,201 | $3,227,051 | $3,844,198 | +$617,147 | +19.12% | |
| Point72 Asset Management, L.P. | 0.01% | 54,989 | $3,214,657 | $3,829,434 | +$614,777 | +19.12% | |
| First Trust Advisors Lp | 0.00% | 54,057 | $3,160,172 | $3,764,529 | +$604,357 | +19.12% | |
| Hotchkis & Wiley Capital Management Llc | 0.01% | 50,364 | $2,944,279 | $3,507,349 | +$563,070 | +19.12% | |
| Citadel Advisors Llc | 0.00% | 50,243 | $2,937,206 | $3,498,923 | +$561,717 | +19.12% | |
| Ameriprise Financial Inc | 0.00% | 45,791 | $2,676,942 | $3,188,885 | +$511,943 | +19.12% | |
| Allianz Asset Management Gmbh | 0.00% | 41,795 | $2,443,336 | $2,910,604 | +$467,268 | +19.12% | |
| Public Sector Pension Investment Board | 0.01% | 40,663 | $2,377,159 | $2,831,771 | +$454,612 | +19.12% | |
| Nuveen, Llc | 0.00% | 38,651 | $2,259,538 | $2,691,656 | +$432,118 | +19.12% | |
| Pdt Partners, Llc | 0.13% | 38,601 | $2,256,614 | $2,688,174 | +$431,560 | +19.12% | |
| James Investment Research, Inc. | 0.23% | 35,100 | $2,051,946 | $2,444,364 | +$392,418 | +19.12% | |
| Moran Wealth Management, Llc | 0.06% | 34,942 | $2,042,709 | $2,433,361 | +$390,652 | +19.12% | |
| Legal & General Group Plc | 0.00% | 30,591 | $1,788,351 | $2,130,357 | +$342,006 | +19.12% | |
| Bank Of America Corp | 0.00% | 29,739 | $1,738,543 | $2,071,024 | +$332,481 | +19.12% | |
| Numerai Gp Llc | 0.17% | 29,006 | $1,695,691 | $2,019,978 | +$324,287 | +19.12% | |
| O'Shaughnessy Asset Management, Llc | 0.01% | 28,403 | $1,660,439 | $1,977,985 | +$317,546 | +19.12% | |
| Sei Investments Co | 0.00% | 27,384 | $1,600,873 | $1,907,022 | +$306,149 | +19.12% | |
| Jane Street Group, Llc | 0.00% | 26,285 | $1,536,621 | $1,830,487 | +$293,866 | +19.12% | |
| New York State Common Retirement Fund | 0.00% | 23,897 | $1,397,019 | $1,664,187 | +$267,168 | +19.12% | |
| Swiss National Bank | 0.00% | 22,500 | $1,315,350 | $1,566,900 | +$251,550 | +19.12% |
Frequently asked questions about CNXN
Who owns the most CNXN stock?
The largest holders of CNXN are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for PC CONNECTION INC (CNXN).
Is CNXN widely held by superinvestors?
Many widely followed stocks like CNXN appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CNXN is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.