PC CONNECTION INC (CNXN) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $758.08M 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 $158.83M in its June 30, 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 $188.62M, representing an estimated gain of +18.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 63% of the total disclosed CNXN value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Vanguard Portfolio 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
184
Total Reported Value
$758.08M
Largest Holder
Blackrock, Inc.
Largest Position
$158.83M
Insider Transactions (90d)
44
Latest Filing Quarter
Q2 2026
New Institutional Positions
45
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% | 2,176,088 | $158,832,663 | $188,623,308 | +$29,790,645 | +18.76% | |
| Dimensional Fund Advisors Lp | 0.02% | 1,539,863 | $112,393,517 | $133,475,325 | +$21,081,808 | +18.76% | |
| Vanguard Portfolio Management Llc | 0.00% | 507,776 | $37,062,570 | $44,014,024 | +$6,951,454 | +18.76% | |
| Vanguard Capital Management Llc | 0.00% | 502,311 | $36,663,680 | $43,540,317 | +$6,876,637 | +18.76% | |
| State Street Corp | 0.00% | 465,567 | $33,981,735 | $40,355,348 | +$6,373,613 | +18.76% | |
| Geode Capital Management, Llc | 0.00% | 414,249 | $30,239,782 | $35,907,103 | +$5,667,321 | +18.74% | |
| Two Sigma Investments, Lp | 0.01% | 259,463 | $18,938,204 | $22,490,253 | +$3,552,049 | +18.76% | |
| Morgan Stanley | 0.00% | 228,372 | $16,668,977 | $19,795,285 | +$3,126,308 | +18.76% | |
| Goldman Sachs Group Inc | 0.00% | 225,846 | $16,484,503 | $19,576,331 | +$3,091,828 | +18.76% | |
| Northern Trust Corp | 0.00% | 206,600 | $15,079,735 | $17,908,088 | +$2,828,353 | +18.76% | |
| Qube Research & Technologies Ltd | 0.02% | 204,269 | $14,909,594 | $17,706,037 | +$2,796,443 | +18.76% | |
| Charles Schwab Investment Management Inc | 0.00% | 193,081 | $14,092,982 | $16,736,261 | +$2,643,279 | +18.76% | |
| American Century Companies Inc | 0.01% | 184,800 | $13,488,589 | $16,018,464 | +$2,529,875 | +18.76% | |
| Invesco Ltd. | 0.00% | 145,516 | $10,621,214 | $12,613,327 | +$1,992,113 | +18.76% | |
| Bank Of New York Mellon Corp | 0.00% | 136,757 | $9,981,884 | $11,854,097 | +$1,872,213 | +18.76% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 130,317 | $9,621,304 | $11,295,878 | +$1,674,574 | +17.40% | |
| Fmr Llc | 0.00% | 115,042 | $8,396,940 | $9,971,841 | +$1,574,901 | +18.76% | |
| Aqr Capital Management Llc | 0.00% | 114,996 | $8,393,586 | $9,967,853 | +$1,574,267 | +18.76% | |
| Jpmorgan Chase & Co | 0.00% | 109,105 | $7,922,972 | $9,457,221 | +$1,534,249 | +19.36% | |
| Oberweis Asset Management Inc/ | 0.16% | 104,300 | $7,612,857 | $9,040,724 | +$1,427,867 | +18.76% | |
| Denali Advisors Llc | 0.73% | 99,200 | $7,240,608 | $8,598,656 | +$1,358,048 | +18.76% | |
| Man Group Plc | 0.01% | 94,881 | $6,925,364 | $8,224,285 | +$1,298,921 | +18.76% | |
| Teacher Retirement System Of Texas | 0.02% | 94,409 | $6,890,914 | $8,183,372 | +$1,292,458 | +18.76% | |
| Rhumbline Advisers | 0.01% | 92,467 | $6,749,151 | $8,015,040 | +$1,265,889 | +18.76% | |
| First Trust Advisors Lp | 0.00% | 81,427 | $5,943,356 | $7,058,092 | +$1,114,736 | +18.76% | |
| Vanguard Fiduciary Trust Co | 0.00% | 75,119 | $5,482,936 | $6,511,315 | +$1,028,379 | +18.76% | |
| Millennium Management Llc | 0.00% | 72,717 | $5,307,614 | $6,303,110 | +$995,496 | +18.76% | |
| Jacobs Levy Equity Management, Inc | 0.02% | 69,407 | $5,066,017 | $6,016,199 | +$950,182 | +18.76% | |
| Royce & Associates Lp | 0.04% | 68,498 | $4,999,669 | $5,937,407 | +$937,738 | +18.76% | |
| Nuveen, Llc | 0.00% | 66,986 | $4,889,309 | $5,806,346 | +$917,037 | +18.76% | |
| Jane Street Group, Llc | 0.00% | 56,889 | $4,152,328 | $4,931,139 | +$778,811 | +18.76% | |
| Principal Financial Group Inc | 0.00% | 54,854 | $4,003,794 | $4,754,745 | +$750,951 | +18.76% | |
| Ameriprise Financial Inc | 0.00% | 51,532 | $3,761,320 | $4,466,794 | +$705,474 | +18.76% | |
| Hotchkis & Wiley Capital Management Llc | 0.01% | 50,734 | $3,703,075 | $4,397,623 | +$694,548 | +18.76% | |
| Pdt Partners, Llc | 0.19% | 48,737 | $3,557,314 | $4,224,523 | +$667,209 | +18.76% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 48,000 | $3,503,520 | $4,160,640 | +$657,120 | +18.76% |
| O'Shaughnessy Asset Management, Llc | 0.02% | 46,929 | $3,425,348 | $4,067,806 | +$642,458 | +18.76% | |
| D. E. Shaw & Co., Inc. | 0.00% | 46,010 | $3,358,270 | $3,988,147 | +$629,877 | +18.76% | |
| Hrt Financial Lp | 0.01% | 45,934 | $3,352,000 | $3,981,559 | +$629,559 | +18.78% | |
| Martingale Asset Management L P | 0.08% | 43,659 | $3,186,671 | $3,784,362 | +$597,691 | +18.76% | |
| Bank Of America Corp | 0.00% | 42,198 | $3,080,032 | $3,657,723 | +$577,691 | +18.76% | |
| Public Sector Pension Investment Board | 0.01% | 39,003 | $2,846,829 | $3,380,780 | +$533,951 | +18.76% | |
| Allianz Asset Management Gmbh | 0.00% | 37,541 | $2,740,118 | $3,254,054 | +$513,936 | +18.76% | |
| Citadel Advisors Llc | 0.00% | 37,422 | $2,731,432 | $3,243,739 | +$512,307 | +18.76% | |
| Seizert Capital Partners, Llc | 0.11% | 36,753 | $2,682,601 | $3,185,750 | +$503,149 | +18.76% | |
| James Investment Research, Inc. | 0.26% | 35,100 | $2,561,949 | $3,042,468 | +$480,519 | +18.76% | |
| Ubs Group Ag | 0.00% | 34,125 | $2,490,784 | $2,957,955 | +$467,171 | +18.76% | |
| Moran Wealth Management, Llc | 0.06% | 32,311 | $2,358,380 | $2,800,717 | +$442,337 | +18.76% | |
| New York State Common Retirement Fund | 0.00% | 28,597 | $2,087,295 | $2,478,788 | +$391,493 | +18.76% | |
| Xtx Topco Ltd | 0.03% | 27,156 | $1,982,116 | $2,353,882 | +$371,766 | +18.76% |
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.