13F Insight
DOSSIER · 13F Holders · Q2 2026
BOX 1.5 09/15/29

BOX INC

48 institutions still hold BOX INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 10316TAD6·48 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$432M
visible holders
Holders
48
filers reporting
Concentration
11.22%
Opti Capital Management, LP #1
top holder share
AI Holders Summary · Q2 2026

48 institutions reported BOX 1.5 09/15/29 in Q2 2026. Opti Capital Management, LP leads at 11.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Opti Capital Management, LP
CIK 0001738654
$48M49.5M2.96%Q2 202602
Wellesley Asset Management
CIK 0001533551
$47M49.5M4.29%Q2 202603
Walleye Capital LLC
CIK 0001758720
$43M44.0M0.15%Q2 202604
M&G Plc
CIK 0001802539
$37M37.5M0.18%Q2 202605
Invesco Ltd.
CIK 0000914208
$28M28.7M0.00%Q2 202606
AQR Arbitrage LLC
CIK 0001167456
$27M27.6M0.57%Q4 202507
TPG GP A, LLC
CIK 0001903793
$27M29.0M0.72%Q1 202608
Squarepoint Ops LLC
CIK 0001642575
$20M20K0.02%Q2 202609
LMR Partners LLP
CIK 0001578621
$20M20.0M0.07%Q2 202610
BlackRock, Inc.
CIK 0002012383
$18M18.6M0.00%Q2 202611
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$18M18.0M0.25%Q2 202612
CAMDEN ASSET MANAGEMENT L P /CA
CIK 0000903944
$17M17.5M0.50%Q2 202613
STATE STREET CORP
CIK 0000093751
$13M13.4M0.00%Q2 202614
Calamos Advisors LLC
CIK 0001316507
$12M12.0M0.04%Q2 202615
MORGAN STANLEY
CIK 0000895421
$10M10.6M0.00%Q2 202616
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$10M10.5M0.99%Q2 202617
K2 PRINCIPAL FUND, L.P.
CIK 0001461790
$10M10K0.72%Q2 202618
BANK OF MONTREAL /CAN/
CIK 0000927971
$10M9.5M0.00%Q2 202619
FMR LLC
CIK 0000315066
$10M9.8M0.00%Q2 202620
Man Group plc
CIK 0001637460
$9M9.5M0.01%Q2 2026
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