13F Insight
DOSSIER · 13F Holders · Q1 2026CyclicalNet sold
BSTZ

BLACKROCK SCIENCE & TECHNOLO

140 institutions still hold BLACKROCK SCIENCE & TECHNOLO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 09260K101·140 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 9.8%
vs prior quarter
13F value held
$404M
61.0% inst. owned
of float
Holders
140
+102 QoQ
filers reporting
Activity
+62 / −9
+893 added · −656 reduced
this quarter
Concentration
30.31%
Saba Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

140 institutions reported BSTZ in Q1 2026. Saba Capital Management, L.P. leads at 30.3% of the visible book. +102 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Saba Capital Management, L.P.
CIK 0001510281
$123M5.5M3.38%Q1 202602
MORGAN STANLEY
CIK 0000895421
$76M3.4M0.00%Q1 202603
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$33M1.5M1.65%Q1 202604
UBS Group AG
CIK 0001610520
$27M1.2M0.00%Q1 202605
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$22M975K0.01%Q1 202606
Invesco Ltd.
CIK 0000914208
$21M936K0.00%Q1 202607
BANK OF AMERICA CORP /DE/
CIK 0000070858
$21M926K0.00%Q1 202608
LAZARD ASSET MANAGEMENT LLC
CIK 0001207017
$15M678K0.02%Q1 202609
Potrero Capital Research LLC
CIK 0001536630
$12M539K4.10%Q4 202510
Karpus Management, Inc.
CIK 0001048703
$9M410K0.28%Q1 202611
FLAGSHIP HARBOR ADVISORS, LLC
CIK 0001691766
$7M315K0.31%Q1 202612
Z3 Capital Partners, LLC
CIK 0002127787
$7M307K1.72%Q1 202613
ROYAL BANK OF CANADA
CIK 0001000275
$7M302K0.00%Q1 202614
Rockefeller Capital Management L.P.
CIK 0001739439
$5M221K0.01%Q1 202615
LPL Financial LLC
CIK 0001403438
$4M200K0.00%Q1 202616
OPPENHEIMER & CO INC
CIK 0000822581
$4M186K0.06%Q4 202517
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC
CIK 0001352860
$4M166K0.53%Q1 202618
Steward Partners Investment Advisory, LLC
CIK 0001723397
$3M155K0.02%Q1 202619
OSAIC HOLDINGS, INC.
CIK 0001677044
$3M140K0.00%Q1 202620
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
CIK 0001632972
$3M138K0.01%Q1 2026
Page 1 of 7
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