Box, Inc. (BOX) Ownership

NYSE: BOXTop holders, insider trades and short interest.

BOX ownership summary

as of October 18, 2026
Institutions
105.3%
of shares outstanding
Insiders
3.21%
of shares outstanding
Shares outstanding
137.2M
Float
132.4M
shares available to trade
Short interest
15.76%
17.2M shares short
Days to cover
6.15
short interest up 1.6% vs prior month
  • Institutions 105.30%
  • Insiders 3.21%

BOX top institutional holders

20 largest
Box, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc18.54%25.4M$1.01B+116,259 (+0.5%)June 30, 2026
2Vanguard Portfolio Management, LLC8.12%11.1M$440.5M−109,475 (−1.0%)June 30, 2026
3Earnest Partners LLC5.19%7.1M$281.6M−185,760 (−2.5%)June 30, 2026
4Vanguard Capital Management, LLC4.39%6.0M$238.2M−196,373 (−3.2%)June 30, 2026
5State Street Corp4.32%5.9M$234.5M+245,654 (+4.3%)June 30, 2026
6Acadian Asset Management LLC3.62%5.0M$196.4M+239,346 (+5.1%)June 30, 2026
7Arrowstreet Capital Limited Partnership3.14%4.3M$170.7M−605,222 (−12.3%)June 30, 2026
8Citadel Advisors Llc2.71%3.7M$147.3M+1.4M (+59.3%)June 30, 2026
9Geode Capital Management, LLC2.65%3.6M$143.6M+95,562 (+2.7%)June 30, 2026
10Bank of America Corp2.53%3.5M$137.1M+115,247 (+3.4%)June 30, 2026
11SEI Investments Co2.30%3.2M$124.6M−48,057 (−1.5%)June 30, 2026
12Dimensional Fund Advisors, Inc.1.94%2.7M$105.6M−6,755 (−0.3%)June 30, 2026
13The Goldman Sachs Group Inc1.66%2.3M$90.2M−180,139 (−7.3%)June 30, 2026
14Alyeska Investment Group, L.P.1.62%2.2M$88.0M+2.2M (0.0%)June 30, 2026
15Delaware Management Holdings Inc1.45%2.0M$78.5M+648,583 (+48.6%)June 30, 2026
16JPMorgan Chase & Co1.34%1.8M$72.7M+184,426 (+11.2%)June 30, 2026
17Morgan Stanley - Brokerage Accounts1.20%1.6M$65.2M−113,732 (−6.5%)June 30, 2026
18Charles Schwab Investment Management Inc1.20%1.6M$65.0M+76,808 (+4.9%)June 30, 2026
19Northern Trust Corp1.12%1.5M$60.6M+60,716 (+4.1%)June 30, 2026
20Squarepoint Ops LLC1.11%1.5M$60.4M−1.1M (−41.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 5.4M shares and 9 cut 2.5M.

BOX top mutual fund and ETF holders

20 largest
Box, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF6.01%8.3M$326.4M+1,809 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.06%4.2M$166.0M−6,811 (−0.2%)August 31, 2026
3iShares Russell 2000 ETF2.60%3.6M$141.2M−41,152 (−1.1%)September 30, 2026
4Vanguard Information Technology ETF2.19%3.0M$119.0M+6,915 (+0.2%)September 30, 2026
5Vanguard Small Cap Index2.14%2.9M$116.1M−95,577 (−3.2%)September 30, 2026
6Vanguard MStar Small Cap Growth Indx Inv1.19%1.6M$64.6M−103,405 (−6.0%)September 30, 2026
7Fidelity Small Cap Index1.09%1.5M$59.3M+12,203 (+0.8%)July 31, 2026
8Nomura Small Cap Core I1.06%1.5M$57.5M—August 31, 2026
9State Street SPDR Port S&P 600 Sm CpETF0.92%1.3M$49.9M—September 30, 2026
10American Century Small Cap Growth Inv0.83%1.1M$44.9M+1.1M (0.0%)September 30, 2026
11Congress Small Cap Growth Institutional0.78%1.1M$42.5M—December 31, 2025
12iShares Russell 2000 Growth ETF0.77%1.1M$41.8M−1,337 (−0.1%)September 30, 2026
13Harbor Small Cap Value Instl0.76%1.0M$41.4M−20,267 (−1.9%)September 30, 2026
14Vanguard Tax-Managed Small Cap Adm0.68%933K$36.9M—September 30, 2026
15Janus Henderson Hrzn Glb SC E2 USD0.64%880K$34.8M+51,330 (+6.2%)August 31, 2026
16MFS New Discovery I0.62%849K$33.6M—August 31, 2026
17iShares S&P Small-Cap 600 Growth ETF0.61%833K$32.9M—September 30, 2026
18Vanguard Russell 2000 ETF0.58%799K$31.6M+9,388 (+1.2%)September 30, 2026
19Schwab US Small-Cap ETF™0.53%729K$28.8M+486 (+0.1%)September 30, 2026
20DFA US Small Cap I0.50%692K$27.4M—August 31, 2026

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

BOX insider transactions

latest 20
Box, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-04-10Dylan C SmithSell$22.0910,280$227,085
2026-04-08Eli BerkovitchSell$23.8524,500$584,325
2026-04-07Olivia NottebohmSell$24.076,528$157,129
2026-04-06Dana L EvanSell$24.2417,034$412,904
2026-03-10Aaron LevieSell$24.7215,000$370,800
2026-03-10Dylan C SmithSell$24.7217,000$420,240
2026-03-06Olivia NottebohmSell$25.784,612$118,897
2026-02-10Dylan C SmithSell$24.7517,000$420,750
2026-01-21Olivia NottebohmSell$26.044,612$120,096
2026-01-09Dylan C SmithSell$29.5717,000$502,690
2025-12-26Olivia NottebohmSell$29.844,612$137,622
2025-12-15Eli BerkovitchSell$29.965,163$154,683
2025-12-10Aaron LevieSell$30.5315,000$457,950
2025-12-10Dylan C SmithSell$30.9717,000$526,490
2025-12-04Jack R LazarSell$31.772,500$79,425
2025-11-10Dylan C SmithSell$31.3617,000$533,120
2025-11-10Olivia NottebohmSell$31.354,612$144,586
2025-10-21Olivia NottebohmSell$33.094,612$152,611
2025-10-10Dylan C SmithSell$33.0517,000$561,850
2025-10-10Olivia NottebohmSell$33.104,612$152,657

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.

BOX shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns BOX

Institutional investors own 105.3% of Box's shares and insiders 3.21%. The largest holder is BlackRock Inc with 18.54% of the shares (25.4M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 15.76% of the float, or 6.15 days of average trading volume. The share count rose 25.6% since 2014.

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

BOX ownership FAQ

Who owns the most Box stock?

The largest shareholders of Box are BlackRock Inc (18.54%), Vanguard Portfolio Management, LLC (8.12%), Earnest Partners LLC (5.19%), Vanguard Capital Management, LLC (4.39%), State Street Corp (4.32%).

What percentage of Box is owned by institutions?

Institutions hold 105.3% of Box's shares outstanding; insiders hold 3.21%.

Which funds own Box?

The largest fund holders of Box are iShares Core S&P Small-Cap ETF (6.01%), Vanguard MStar Total Stk Mkt Idx Invest (3.06%), iShares Russell 2000 ETF (2.60%), Vanguard Information Technology ETF (2.19%), Vanguard Small Cap Index (2.14%).

What is Box's short interest?

17.2M shares of Box were sold short, 15.76% of the float; at the average daily volume it would take 6.15 days to cover.

Are insiders buying or selling Box?

Of the latest 20 reported insider transactions in Box (since October 10, 2025), 0 were purchases and 20 were sales.

How many shares of Box are outstanding?

Box has 137.2M shares outstanding, of which 132.4M are in the public float.

Software - Infrastructure: ownership