Harbor Osmosis Ire ETFEFFIETF

13F holders, Q1 2025 (March 31)
2holders +1
1new positions
0sold out
$20.12avg. 13F price*

At the end of Q1 2025, 2 institutions reported holding Harbor Osmosis Ire ETF (EFFI) in their 13F filings, up 1 from Q4 2024. 1 opened new positions and 0 sold out. The largest holders were State of Wisconsin Investment Board ($110.7M) and Jane Street Group, LLC ($499K).

Company
Harbor Osmosis Ire ETF
CUSIP
41151J729
Latest filing quarter
Q2 2026

History

Number of 13F holders

0246 Q4 2024: 1Q4 2024Q1 2025: 2Q1 2025Q2 2025: 1Q2 2025Q3 2025: 2Q3 2025Q4 2025: 4Q4 2025Q1 2026: 6Q1 2026Q2 2026: 6Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions1$499K
Exits0$0

All 13F filers, Q4 2024 → Q1 2025: 2,924,823 shares bought, net +2,924,823 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 2 holders

State of Wisconsin Investment Board 0.29% Add +111.5% 5,500,000 $110.7M
Jane Street Group, LLC 0.00% New 24,823 $499K

"% of holder's portfolio" is EFFI's weight in each manager's 13F, not the share of Harbor Osmosis Ire ETF the manager owns.