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Harbor Scientific Alpha Income ETF
SIFI

6 hedge funds and large institutions have $424K invested in Harbor Scientific Alpha Income ETF in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 1 closing their positions.

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New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding: →

less ownership

Funds ownership: →

75% less capital invested

Capital invested by funds: $1.72M → $424K (-$1.3M)

Holders
6
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
–
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
–
Puts
–
Net Calls
Net Calls Change

Top Buyers

1
+$46.6K
2
+$3.81K
3
+$754
4
Morgan Stanley
Morgan Stanley
New York
+$44

Top Sellers

1
-$889K
2
-$451K
Name Holding Trade Value Shares
Change 		Change in
Stake
Citadel Advisors
1
Citadel Advisors
Florida
$217K
SPIA
2
Steward Partners Investment Advisory
New York
$154K
IAIM
3
International Assets Investment Management
Florida
$46.1K
Osaic Holdings
4
Osaic Holdings
Arizona
$4.39K
UBS Group
5
UBS Group
Switzerland
$2.98K
Morgan Stanley
6
Morgan Stanley
New York
$71
Jane Street
7
Jane Street
New York
–