HARBOR ETF TRUST (OSEA): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in OSEA. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
2
13F filers
Aggregate Value
$7.1M
Across holders
Last Price
$30.82
2026-08-24
Sector
—
GICS
Quarterly fund activity2 increased0 reduced0 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 137K | $4.2M | 58.6% | 0.0% | Added | +$2.0M | Q2 2026 |
| Rockefeller Capital Management L.P. CIK 0001739439 | Hedge Fund | 97K | $2.9M | 41.4% | 0.0% | Added | +$159K | Q2 2026 |
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