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BlackRock Health Sciences Trust II
BMEZ

98 hedge funds and large institutions have $643M invested in BlackRock Health Sciences Trust II in 2025 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 33 increasing their positions, 34 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

1% more capital invested

Capital invested by funds: $639M → $643M (+$3.86M)

0.08% less ownership

Funds ownership: 42.74% → 42.66% (-0.08%)

3% less repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 34

5% less funds holding

Funds holding: 103 → 98 (-5)

22% less first-time investments, than exits

New positions opened: 14 | Existing positions closed: 18

33% less funds holding in top 10

Funds holding in top 10: 3 → 2 (-1)

Holders
98
Holders Change
-5
Holders Change %
-4.85%
% of All Funds
1.31%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
14
Increased
33
Reduced
34
Closed
18
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
+$19.1M
2
AIA
Absolute Investment Advisers
Florida
+$4.83M
3
YCM
Yakira Capital Management
Connecticut
+$3.27M
4
OAM
Oxford Asset Management
United Kingdom
+$2.08M
5
Balyasny Asset Management
Balyasny Asset Management
Illinois
+$1.96M

Top Sellers

Rank Fund Capital Flow
1
AC
Almitas Capital
California
-$17.8M
2
Invesco
Invesco
Georgia
-$5.27M
3
Morgan Stanley
Morgan Stanley
New York
-$3.82M
4
CC
CF Capital
Massachusetts
-$3.74M
5
COLIM
City of London Investment Management
United Kingdom
-$3.66M
Name Holding Trade Value Shares
Change 		Change in
Stake
Balyasny Asset Management
26
Balyasny Asset Management
Illinois
$1.87M +$1.96M +125,181 New
Rockefeller Capital Management
27
Rockefeller Capital Management
New York
$1.77M +$8.76K +560 +0.5%
OC
28
Oppenheimer & Co
New York
$1.67M -$31.7K -2,024 -2%
NAM
29
NewGen Asset Management
Ontario, Canada
$1.28M +$1.35M +86,128 New
Commonwealth Equity Services
30
Commonwealth Equity Services
Massachusetts
$1.2M -$346K -22,106 -22%
Cambridge Investment Research Advisors
31
Cambridge Investment Research Advisors
Iowa
$955K +$57.9K +3,698 +6%
SPIA
32
Steward Partners Investment Advisory
New York
$868K +$180K +11,524 +25%
Susquehanna International Group
33
Susquehanna International Group
Pennsylvania
$861K +$282K +17,996 +45%
QC
34
Quantedge Capital
Singapore
$858K -$490K -31,300 -35%
FT
35
Fiduciary Trust
Massachusetts
$832K +$500K +31,922 +134%
Nomura Holdings
36
Nomura Holdings
Japan
$820K +$861K +55,000 New
NAS
37
NWF Advisory Services
California
$791K +$831K +53,109 New
Capstone Investment Advisors
38
Capstone Investment Advisors
New York
$745K – – –
LA
39
LM Advisors
California
$730K -$181K -11,558 -19%
BLC
40
Brown, Lisle/Cummings
Rhode Island
$659K +$24.2K +1,549 +4%
NW
41
NewEdge Wealth
Pennsylvania
$636K – – –
MWM
42
Maridea Wealth Management
New York
$617K +$648K +41,403 New
Jane Street
43
Jane Street
New York
$565K -$432K -27,587 -42%
WS
44
Wedbush Securities
California
$540K +$231K +14,757 +69%
Janney Montgomery Scott
45
Janney Montgomery Scott
Pennsylvania
$449K +$41.8K +2,668 +10%
PAG
46
Private Advisor Group
New Jersey
$423K +$4.19K +268 +1%
HI
47
HBK Investments
Texas
$421K -$1.33M -84,797 -75%
HF
48
HRT Financial
New York
$380K +$400K +25,534 New
KWA
49
Kingswood Wealth Advisors
California
$379K -$58.1K -3,714 -13%
SWM
50
SeaCrest Wealth Management
New York
$366K +$384K +24,555 New
1
2
3 4 5

BMEZ Hedge Fund Activity: Q1 2025 in Review

98 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in BlackRock Health Sciences Trust II (BMEZ) for Q1 2025, worth a combined $643M — up 0.6% from $639M a quarter earlier.

Sellers outnumbered buyers: 18 funds closed out of BMEZ and 14 opened new positions — a net loss of 4 holders — while 34 trimmed existing stakes and 33 added.

The largest buyer was Royal Bank of Canada, adding an estimated $19.1M. The largest seller was Almitas Capital, cutting an estimated $17.8M.

  • 98 institutional investors held BlackRock Health Sciences Trust II (BMEZ) as of Q1 2025, down from 103 in Q4 2024.
  • Funds reported $643M of BlackRock Health Sciences Trust II stock for Q1 2025, up 0.6% quarter-over-quarter.
  • 14 funds opened new BlackRock Health Sciences Trust II positions in Q1 2025 and 18 closed out, a net change of -4 holders.
  • The largest BlackRock Health Sciences Trust II buyer in Q1 2025 was Royal Bank of Canada, an estimated $19.1M added.
  • The largest BlackRock Health Sciences Trust II seller in Q1 2025 was Almitas Capital, an estimated $17.8M sold.

Based on aggregated 13F filings for Q1 2025.