18 institutions reported holding $425.3M of HARBOR ETF TRUST (HAPI) in SEC 13F filings for 2026-03-31. Largest institutional holders: STATE OF WISCONSIN INVESTMENT BOARD ($391.5M), CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM ($10.4M), Archford Capital Strategies, LLC ($6.7M), Steward Partners Investment Advisory, LLC ($4.4M), LPL Financial LLC ($4.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | STATE OF WISCONSIN INVESTMENT BOARD | $391.5M | 9.9M | Hold |
| 2 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $10.4M | 262,000 | Hold |
| 3 | Archford Capital Strategies, LLC | $6.7M | 168,994 | Added |
| 4 | Steward Partners Investment Advisory, LLC | $4.4M | 111,254 | Added |
| 5 | LPL Financial LLC | $4.4M | 111,061 | Added |
| 6 | Proactive Wealth Strategies LLC | $2.3M | 58,660 | Added |
| 7 | RAYMOND JAMES FINANCIAL INC | $1.6M | 40,979 | New |
| 8 | MORGAN STANLEY | $1.3M | 32,569 | Trimmed |
| 9 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $765,557 | 19,301 | New |
| 10 | CITADEL ADVISORS LLC | $668,181 | 16,846 | Added |
| 11 | Cetera Investment Advisers | $418,020 | 10,539 | Hold |
| 12 | Accurate Wealth Management, LLC | $404,196 | 9,788 | Trimmed |
| 13 | Sankala Group LLC | $158,425 | 4,063 | Added |
| 14 | PRIVATE TRUST CO NA | $118,992 | 3,000 | Added |
| 15 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $72,726 | 1,825 | Added |
| 16 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $15,271 | 385 | New |
| 17 | OSAIC HOLDINGS, INC. | $10,628 | 268 | Hold |
| 18 | MML INVESTORS SERVICES, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31