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BOX

Box Inc

Company with tickers: BOX, BXCAP

CIK
1372612
CUSIP
10316T104
Shares Outstanding
138,532,634
13F Activity (30d)
241 filings 225 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 400
Total Value: $3,376,393,592
Total Shares: 142,825,460
Showing 1–100 of 417 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 400 13F filers · Δ vs Dec 31, 2025
Top Holder
17.7%
Jun 2023 → Mar 2026 · range 8.9% – 17.9%
+1.0 pts
Top 5
39.0%
Jun 2023 → Mar 2026 · range 28.7% – 44.0%
−1.9 pts
Top 10
52.9%
Jun 2023 → Mar 2026 · range 43.0% – 56.0%
−0.8 pts
HHI
517
Jun 2023 → Mar 2026 · range 275 – 590
Broadly held−29

Quarterly Activity

vs Dec 31, 2025
New
67
Increased
162
Decreased
122
Sold Out
80
Unchanged
49
Holder count: -13
Institutional value: -25.1%
Shares held: -5.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 417
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Holder Value (USD) % of 13F Shares Open