We are live on ! Find out more
EFFE

Harbor Osmosis Emerging Markets Resource Efficient ETF

2 hedge funds and large institutions have $123M invested in Harbor Osmosis Emerging Markets Resource Efficient ETF in 2025 Q3 according to their latest regulatory filings, with funds opening new positions, 1 increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

6% more capital invested

Capital invested by funds: $117M → $123M (+$6.47M)

0.04% more ownership

Funds ownership: 99.61%99.64% (+0.04%)

0% more funds holding

Funds holding: 22 (0)

Holders
2
Holders Change
Holders Change %
0%
% of All Funds
0.03%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
1
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change

Top Buyers

Rank Fund Capital Flow
1
Jane Street
Jane Street
New York
+$43.6K

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change
Change in
Stake
State of Wisconsin Investment Board
1
State of Wisconsin Investment Board
Wisconsin
$123M
Jane Street
2
Jane Street
New York
$398K +$43.6K +1,865 +13%

EFFE Hedge Fund Activity: Q3 2025 in Review

2 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) for Q3 2025, worth a combined $123M — up 5.5% from $117M a quarter earlier.

Fund positioning in EFFE was balanced in Q3 2025: 0 funds opened new positions, 0 closed out, 1 added to existing stakes and 0 trimmed.

The largest buyer was Jane Street, adding an estimated $43.6K.

  • 2 institutional investors held Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) as of Q3 2025, unchanged from Q2 2025.
  • Funds reported $123M of Harbor Osmosis Emerging Markets Resource Efficient ETF stock for Q3 2025, up 5.5% quarter-over-quarter.
  • 0 funds opened new Harbor Osmosis Emerging Markets Resource Efficient ETF positions in Q3 2025 and 0 closed out.
  • The largest Harbor Osmosis Emerging Markets Resource Efficient ETF buyer in Q3 2025 was Jane Street, an estimated $43.6K added.

Based on aggregated 13F filings for Q3 2025.