Harbor Osmosis Emerging Markets Resource Efficient ETF
EFFE
2 hedge funds and large institutions have $118M invested in Harbor Osmosis Emerging Markets Resource Efficient ETF in 2026 Q1 according to their latest regulatory filings, with funds opening new positions, increasing their positions, 1 reducing their positions, and closing their positions.
0% more funds holding
Funds holding: 2 → 2 (0)
0.02% less ownership
Funds ownership: 99.59% → 99.57% (-0.02%)
1% less capital invested
Capital invested by funds: $119M → $118M (-$1.26M)
100% less repeat investments, than reductions
Existing positions increased: 0 | Existing positions reduced: 1
Top Buyers
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$22.9K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
1
State of Wisconsin Investment Board
Madison,
Wisconsin
| $117M | – | – | – |
|
|
2
Jane Street
New York
| $289K | -$22.9K | -948 | -7% |
|
EFFE Hedge Fund Activity: Q1 2026 in Review
2 of the 8,132 institutional investors tracked by Wall St. Rank reported a position in Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) for Q1 2026, worth a combined $118M — down 1.1% from $119M a quarter earlier.
Fund positioning in EFFE was balanced in Q1 2026: 0 funds opened new positions, 0 closed out, 0 added to existing stakes and 1 trimmed.
The largest seller was Jane Street, cutting an estimated $22.9K.
- 2 institutional investors held Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $118M of Harbor Osmosis Emerging Markets Resource Efficient ETF stock for Q1 2026, down 1.1% quarter-over-quarter.
- 0 funds opened new Harbor Osmosis Emerging Markets Resource Efficient ETF positions in Q1 2026 and 0 closed out.
- The largest Harbor Osmosis Emerging Markets Resource Efficient ETF seller in Q1 2026 was Jane Street, an estimated $22.9K sold.
Based on aggregated 13F filings for Q1 2026.