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

BLACKROCK SCIENCE & TECHNOLO

144 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 09260K101·144 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$421M
visible holders
Holders
144
filers reporting
Concentration
29.13%
Saba Capital Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

Commanding nearly 28% of total institutional value, Flagship Harbor Advisors anchors the institutional ownership base in BlackRock Science & Technology Trust II with a $9.72 million stake. During Q2 2026, Noble Wealth Management expanded its holding thirty-three-fold (+$1.40M flow) to 48,025 shares.

Top Institutional Buyers

  • Noble Wealth Management: Increased holding from 1,400 to 48,025 shares (+3,330.4%, +$1.40M flow), elevating its stake to $1.44M.
  • Wealth Enhancement Advisory Services: Added 38,920 shares (+28.2%, +$1.15M flow) to reach 176,994 shares ($5.22M).
  • Flagship Harbor Advisors: Added 8,495 shares (+2.7%, +$255k flow) to maintain its position as top holder ($9.72M).

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
WEDBUSH SECURITIES INC
CIK 0001142495
$15M657K0.42%Q1 202610
Potrero Capital Research LLC
CIK 0001536630
$12M539K4.10%Q4 202511
FLAGSHIP HARBOR ADVISORS, LLC
CIK 0001691766
$10M324K0.37%Q2 202612
Karpus Management, Inc.
CIK 0001048703
$9M410K0.28%Q1 202613
Z3 Capital Partners, LLC
CIK 0002127787
$7M307K1.72%Q1 202614
ROYAL BANK OF CANADA
CIK 0001000275
$7M302K0.00%Q1 202615
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC
CIK 0001632972
$5M177K0.01%Q2 202616
Rockefeller Capital Management L.P.
CIK 0001739439
$5M221K0.01%Q1 202617
LPL Financial LLC
CIK 0001403438
$4M200K0.00%Q1 202618
OPPENHEIMER & CO INC
CIK 0000822581
$4M186K0.06%Q4 202519
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC
CIK 0001352860
$4M166K0.53%Q1 202620
Steward Partners Investment Advisory, LLC
CIK 0001723397
$3M155K0.02%Q1 2026
Page 1 of 8
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Insiders at BLACKROCK SCIENCE & TECHNOLO
Kim Tony →Fairbairn Robert W →Menge Steven Reid →Mcclements Kyle →Accettella Christopher →