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BlackRock Science and Technology Trust
BST

133 hedge funds and large institutions have $298M invested in BlackRock Science and Technology Trust in 2025 Q4 according to their latest regulatory filings, with 15 funds opening new positions, 60 increasing their positions, 24 reducing their positions, and 16 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 1 → 3 (+2)

150% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 24

7% more capital invested

Capital invested by funds: $279M → $298M (+$19.6M)

1.82% more ownership

Funds ownership: 19.98% → 21.8% (+1.8%)

6% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 16

1% less funds holding

Funds holding: 135 → 133 (-2)

Holders
133
Holders Change
-2
Holders Change %
-1.48%
% of All Funds
1.62%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
15
Increased
60
Reduced
24
Closed
16
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
KIM
Karpus Investment Management
New York
+$7.5M
2
1CP
1607 Capital Partners
Virginia
+$2.14M
3
Two Sigma Investments
Two Sigma Investments
New York
+$1.52M
4
RAM
Readystate Asset Management
Illinois
+$1.29M
5
Bank of America
Bank of America
North Carolina
+$1.22M

Top Sellers

1
CA
Cornerstone Advisors
North Carolina
-$4.97M
2
NFSG
Newbridge Financial Services Group
Florida
-$2.75M
3
WS
Wedbush Securities
California
-$2.48M
4
Wells Fargo
Wells Fargo
California
-$2.08M
5
Invesco
Invesco
Georgia
-$850K
Name Holding Trade Value Shares
Change 		Change in
Stake
Morgan Stanley
1
Morgan Stanley
New York
$52.5M +$1.16M +28,310 +2%
Raymond James Financial
2
Raymond James Financial
Florida
$30.8M +$931K +22,654 +3%
KIM
3
Karpus Investment Management
New York
$22M +$7.5M +182,447 +51%
Invesco
4
Invesco
Georgia
$20.5M -$850K -20,673 -4%
ZCP
5
Z3 Capital Partners
Virginia
$15.4M +$15.6M +379,290 New
1CP
6
1607 Capital Partners
Virginia
$15.2M +$2.14M +52,097 +16%
Ameriprise
7
Ameriprise
Minnesota
$15M -$155K -3,763 -1%
LPL Financial
8
LPL Financial
California
$12.2M +$1.08M +26,264 +10%
Royal Bank of Canada
9
Royal Bank of Canada
Ontario, Canada
$11.3M -$191K -4,637 -2%
Bank of America
10
Bank of America
North Carolina
$9.21M +$1.22M +29,715 +15%
SPIA
11
Steward Partners Investment Advisory
New York
$7.05M +$16.6K +403 +0.2%
Janney Montgomery Scott
12
Janney Montgomery Scott
Pennsylvania
$6.3M +$243K +5,920 +4%
Osaic Holdings
13
Osaic Holdings
Arizona
$6.16M -$129K -3,138 -2%
WS
14
Wedbush Securities
California
$4.75M -$2.48M -60,376 -34%
AW
15
Alchemi Wealth
Connecticut
$4.69M +$4.76M +115,773 New
UBS Group
16
UBS Group
Switzerland
$3.74M -$415K -10,095 -10%
First Trust Advisors
17
First Trust Advisors
Illinois
$3.23M +$157K +3,828 +5%
NAS
18
NWF Advisory Services
California
$2.94M -$399K -9,710 -12%
PFO
19
PMG Family Office
Texas
$2.54M +$23.1K +561 +0.9%
NRI
20
NFP Retirement Inc
California
$2.47M +$216K +5,257 +9%
Stifel Financial
21
Stifel Financial
Missouri
$2.47M -$75.7K -1,842 -3%
Cetera Investment Advisers
22
Cetera Investment Advisers
Illinois
$2.29M +$55.7K +1,355 +2%
OC
23
Oppenheimer & Co
New York
$1.82M -$50.9K -1,239 -3%
Cambridge Investment Research Advisors
24
Cambridge Investment Research Advisors
Iowa
$1.73M -$81.5K -1,982 -4%
HighTower Advisors
25
HighTower Advisors
Illinois
$1.56M +$50.8K +1,235 +3%
1
2 3 4 5

BST Hedge Fund Activity: Q4 2025 in Review

133 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in BlackRock Science and Technology Trust (BST) for Q4 2025, worth a combined $298M — up 7% from $279M a quarter earlier.

Sellers outnumbered buyers: 16 funds closed out of BST and 15 opened new positions — a net loss of 1 holder — while 24 trimmed existing stakes and 60 added.

The largest buyer was Karpus Investment Management, adding an estimated $7.5M. The largest seller was Cornerstone Advisors, exiting entirely with an estimated $4.97M sold.

  • 133 institutional investors held BlackRock Science and Technology Trust (BST) as of Q4 2025, down from 135 in Q3 2025.
  • Funds reported $298M of BlackRock Science and Technology Trust stock for Q4 2025, up 7% quarter-over-quarter.
  • 15 funds opened new BlackRock Science and Technology Trust positions in Q4 2025 and 16 closed out, a net change of -1 holder.
  • The largest BlackRock Science and Technology Trust buyer in Q4 2025 was Karpus Investment Management, an estimated $7.5M added.
  • The largest BlackRock Science and Technology Trust seller in Q4 2025 was Cornerstone Advisors, an estimated $4.97M sold.

Based on aggregated 13F filings for Q4 2025.