Harbor Osmosis International Resource Efficient ETF
EFFI
1 hedge funds and large institutions have $126M invested in Harbor Osmosis International Resource Efficient ETF in 2025 Q2 according to their latest regulatory filings, with 0 funds opening new positions, 0 increasing their positions, reducing their positions, and 1 closing their positions.
14% more capital invested
Capital invested by funds: $111M → $126M (+$15.1M)
0.09% more ownership
Funds ownership: 99.91% → 100% (+0.09%)
50% less funds holding
Funds holding: 2 → 1 (-1)
100% less first-time investments, than exits
New positions opened: 0 | Existing positions closed: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$499K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
State of Wisconsin Investment Board
Madison,
Wisconsin
| $126M | – | – | – |
|
|
2
Jane Street
New York
| – | -$499K | -24,823 | Closed |
|
EFFI Hedge Fund Activity: Q2 2025 in Review
1 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Harbor Osmosis International Resource Efficient ETF (EFFI) for Q2 2025, worth a combined $126M — up 14% from $111M a quarter earlier.
Sellers outnumbered buyers: 1 fund closed out of EFFI and 0 opened new positions — a net loss of 1 holder — while 0 trimmed existing stakes and 0 added.
The largest seller was Jane Street, exiting entirely with an estimated $499K sold.
- 1 institutional investor held Harbor Osmosis International Resource Efficient ETF (EFFI) as of Q2 2025, down from 2 in Q1 2025.
- Funds reported $126M of Harbor Osmosis International Resource Efficient ETF stock for Q2 2025, up 14% quarter-over-quarter.
- 0 funds opened new Harbor Osmosis International Resource Efficient ETF positions in Q2 2025 and 1 closed out, a net change of -1 holder.
- The largest Harbor Osmosis International Resource Efficient ETF seller in Q2 2025 was Jane Street, an estimated $499K sold.
Based on aggregated 13F filings for Q2 2025.