Insight Enterprises, Inc. (NSIT) Ownership

NASDAQ: NSITTop holders, insider trades and short interest.

NSIT ownership summary

as of October 18, 2026
Institutions
105.8%
of shares outstanding
Insiders
1.26%
of shares outstanding
Shares outstanding
29.3M
Float
28.8M
shares available to trade
Short interest
3.89%
671K shares short
Days to cover
1.87
short interest down 33.7% vs prior month
  • Institutions 105.83%
  • Insiders 1.26%

NSIT top institutional holders

20 largest
Insight Enterprises, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc16.43%4.8M$773.6M−56,398 (−1.2%)June 30, 2026
2Morgan Stanley - Brokerage Accounts9.66%2.8M$455.1M−152,399 (−5.1%)June 30, 2026
3Vanguard Portfolio Management, LLC8.75%2.6M$412.1M+111,280 (+4.5%)June 30, 2026
4Fiduciary Management, Inc. of Milwaukee7.49%2.2M$352.6M+322,244 (+17.2%)June 30, 2026
5Vanguard Capital Management, LLC4.63%1.4M$218.1M−22,386 (−1.6%)June 30, 2026
6State Street Corp4.17%1.2M$196.3M+31,868 (+2.7%)June 30, 2026
7Paradigm Capital Management, Inc.3.26%957K$153.6M+1,067 (+0.1%)June 30, 2026
8FMR Inc3.20%939K$150.7M−1.8M (−65.1%)June 30, 2026
9Dimensional Fund Advisors, Inc.2.89%848K$136.1M−25,416 (−2.9%)June 30, 2026
10Geode Capital Management, LLC2.78%815K$130.7M+27,431 (+3.5%)June 30, 2026
11Analog Century Management LP2.63%772K$123.9M+771,966 (0.0%)June 30, 2026
12Fidelity International Ltd1.84%539K$86.5M+205,528 (+61.7%)June 30, 2026
13D. E. Shaw & Co LP1.61%472K$75.8M+154,037 (+48.4%)June 30, 2026
14Northern Trust Corp1.46%429K$68.9M+9,510 (+2.3%)June 30, 2026
15T. Rowe Price Investment Management,Inc.1.45%427K$68.5M+426,805 (0.0%)June 30, 2026
16Vaughan Nelson Scarbrgh & Mccullough LP1.32%389K$62.4M+388,795 (0.0%)June 30, 2026
17Charles Schwab Investment Management Inc1.30%382K$61.3M+36,523 (+10.6%)June 30, 2026
18Jane Street Group LLC1.29%380K$60.9M+184,621 (+94.6%)June 30, 2026
19Nuveen, LLC1.28%377K$60.4M+255,055 (+209.9%)June 30, 2026
20JPMorgan Chase & Co1.19%348K$55.9M+118,057 (+51.3%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 3.0M shares and 5 cut 2.0M.

NSIT top mutual fund and ETF holders

20 largest
Insight Enterprises, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.96%1.7M$280.5M+381 (+0.0%)September 30, 2026
2Eaton Vance Atlanta Capital SMID-Cap I4.32%1.3M$203.6M−182,613 (−12.6%)August 31, 2026
3FMI Common Stock Investor3.71%1.1M$174.9M+195,000 (+21.8%)June 30, 2026
4Vanguard MStar Total Stk Mkt Idx Invest3.27%961K$154.2M−1,271 (−0.1%)August 31, 2026
5iShares Russell 2000 ETF2.70%793K$127.3M−6,943 (−0.9%)September 30, 2026
6Vanguard Information Technology ETF2.28%671K$107.6M+1,542 (+0.2%)September 30, 2026
7Vanguard Small Cap Index2.25%661K$106.1M−34,242 (−4.9%)September 30, 2026
8Vanguard MStar Small Cap Value Index1.46%430K$69.0M−11,410 (−2.6%)September 30, 2026
9Fidelity Low-Priced Stock1.32%388K$62.3M—July 31, 2026
10Fidelity Small Cap Index1.07%315K$50.5M+2,575 (+0.8%)July 31, 2026
11T. Rowe Price Small-Cap Value1.00%292K$46.9M+29,300 (+11.2%)September 30, 2026
12iShares Russell 2000 Value ETF0.97%286K$45.9M+434 (+0.2%)September 30, 2026
13State Street SPDR Port S&P 600 Sm CpETF0.91%267K$42.8M—September 30, 2026
14iShares S&P Small-Cap 600 Value ETF0.85%248K$39.8M—September 30, 2026
15Fidelity Global Value Long/Short F0.80%235K$37.7M—June 30, 2026
16Vanguard Tax-Managed Small Cap Adm0.66%192K$30.9M—September 30, 2026
17Bridge Builder Small/Mid Cap Value0.61%179K$28.7M+12,855 (+7.7%)September 30, 2026
18Vanguard Russell 2000 ETF0.60%177K$28.4M+11,550 (+7.0%)September 30, 2026
19Fidelity Enhanced Small Cap Core ETF0.57%166K$26.7M+348 (+0.2%)September 30, 2026
20Natixis Vaughan Nelson Small Cap A0.56%163K$26.2M+67,190 (+69.8%)August 31, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

NSIT insider transactions

latest 12
Insight Enterprises, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-01-28Michael T. McCaulBuy$84.19——
2025-09-22Michael T. McCaulBuy$119.48——
2025-09-11Michael T. McCaulBuy$129.21——
2025-08-21Michael T. McCaulSell$128.43——
2024-08-19Jennifer M VasinSell$206.03739$152,256
2024-05-29Adrian P GregorySell$195.832,750$538,532
2024-05-29Holdings L.P. ValueactSell$192.49450,000$86.6M
2024-05-09Joyce A MullenSell$201.0810,000$2.0M
2024-02-27Richard E AllenSell$185.3410,000$1.9M
2024-02-27Samuel C CowleySell$187.627,278$1.4M
2024-02-23Kathleen S PushorSell$185.121,790$331,365
2024-02-22Rachael Ann Bertrandt CrumpSell$182.671,850$337,940

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

NSIT shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns NSIT

Institutional investors own 105.8% of Insight Enterprises's shares and insiders 1.26%. The largest holder is BlackRock Inc with 16.43% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 3.89% of the float, or 1.87 days of average trading volume. The share count fell 24.3% since 2014.

Related: NSIT analyst forecast, NSIT key metrics. See the NSIT stock overview for the latest quote and news.

NSIT ownership FAQ

Who owns the most Insight Enterprises stock?

The largest shareholders of Insight Enterprises are BlackRock Inc (16.43%), Morgan Stanley - Brokerage Accounts (9.66%), Vanguard Portfolio Management, LLC (8.75%), Fiduciary Management, Inc. of Milwaukee (7.49%), Vanguard Capital Management, LLC (4.63%).

What percentage of Insight Enterprises is owned by institutions?

Institutions hold 105.8% of Insight Enterprises's shares outstanding; insiders hold 1.26%.

Which funds own Insight Enterprises?

The largest fund holders of Insight Enterprises are iShares Core S&P Small-Cap ETF (5.96%), Eaton Vance Atlanta Capital SMID-Cap I (4.32%), FMI Common Stock Investor (3.71%), Vanguard MStar Total Stk Mkt Idx Invest (3.27%), iShares Russell 2000 ETF (2.70%).

What is Insight Enterprises's short interest?

671K shares of Insight Enterprises were sold short, 3.89% of the float; at the average daily volume it would take 1.87 days to cover.

Are insiders buying or selling Insight Enterprises?

Of the latest 12 reported insider transactions in Insight Enterprises (since February 22, 2024), 3 were purchases and 9 were sales.

How many shares of Insight Enterprises are outstanding?

Insight Enterprises has 29.3M shares outstanding, of which 28.8M are in the public float.

Electronics & Computer Distribution: ownership