Harbor Osmosis International Resource Efficient ETF
EFFI
2 hedge funds and large institutions have $131M invested in Harbor Osmosis International Resource Efficient ETF in 2025 Q3 according to their latest regulatory filings, with 1 funds opening new positions, increasing their positions, reducing their positions, and 0 closing their positions.
100% more funds holding
Funds holding: 1 → 2 (+1)
4% more capital invested
Capital invested by funds: $126M → $131M (+$4.49M)
0.45% less ownership
Funds ownership: 100% → 99.55% (-0.45%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$585K |
Top Sellers
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
State of Wisconsin Investment Board
Madison,
Wisconsin
| $130M | – | – | – |
|
|
2
Fidelity Investments
Boston,
Massachusetts
| $592K | +$585K | +25,015 | New |
|
EFFI 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 International Resource Efficient ETF (EFFI) for Q3 2025, worth a combined $131M — up 3.6% from $126M a quarter earlier.
Buyers outnumbered sellers: 1 fund opened new EFFI positions and 0 closed out — a net gain of 1 holder — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Fidelity Investments, opening a new position worth an estimated $585K.
- 2 institutional investors held Harbor Osmosis International Resource Efficient ETF (EFFI) as of Q3 2025, up from 1 in Q2 2025.
- Funds reported $131M of Harbor Osmosis International Resource Efficient ETF stock for Q3 2025, up 3.6% quarter-over-quarter.
- 1 fund opened new Harbor Osmosis International Resource Efficient ETF positions in Q3 2025 and 0 closed out, a net change of +1 holder.
- The largest Harbor Osmosis International Resource Efficient ETF buyer in Q3 2025 was Fidelity Investments, an estimated $585K added.
Based on aggregated 13F filings for Q3 2025.