13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Services-Prepackaged SoftwareDefensive growthQuality
XYZ

BLOCK INC

1,050 institutions still hold BLOCK INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 852234103·Services-Prepackaged Software·1,050 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.5%
vs prior quarter
13F value held
$15.2B
77.0% inst. owned
of float
Holders
1,050
+18 QoQ
filers reporting
Activity
+18 / −108
+882 added · −930 reduced
this quarter
Concentration
16.76%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

1,050 institutions reported XYZ in Q1 2026. BlackRock, Inc. leads at 16.8% of the visible book. +18 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$2.5B42.2M0.04%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2.1B35.6M0.05%Q1 202603
Vanguard Portfolio Management
CIK 0002100121
$1.5B25.7M0.08%Q1 202604
STATE STREET CORP
CIK 0000093751
$1.4B23.1M0.05%Q1 202605
Capital World Investors
CIK 0001422849
$1.2B20.6M0.17%Q1 202606
MORGAN STANLEY
CIK 0000895421
$956M15.9M0.06%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$882M14.7M0.05%Q1 202608
LOOMIS SAYLES & CO L P
CIK 0000312348
$447M7.4M0.60%Q1 202609
Point72 Asset Management, L.P.
CIK 0001603466
$421M7.0M0.54%Q1 202610
AMERIPRISE FINANCIAL INC
CIK 0000820027
$413M6.9M0.10%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$380M6.3M0.04%Q1 202612
BANK OF AMERICA CORP /DE/
CIK 0000070858
$364M6.1M0.03%Q1 202613
Invesco Ltd.
CIK 0000914208
$332M5.5M0.05%Q1 202614
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$332M5.5M0.04%Q1 202615
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
$332M5.5M1.30%Q1 202616
CITADEL ADVISORS LLC
CIK 0001423053
$313M4.8M0.05%Q4 202517
Contour Asset Management LLC
CIK 0001510669
$304M4.7M7.09%Q4 202518
NORTHERN TRUST CORP
CIK 0000073124· Index
$284M4.7M0.04%Q1 202619
UBS Group AG
CIK 0001610520
$278M4.6M0.04%Q1 202620
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$265M4.4M0.04%Q1 2026
Page 1 of 53
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