DOSSIER · 13F Holders · Q3 2026
EFFI

HARBOR ETF TRUST

6 institutions still hold HARBOR ETF TRUST as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 41151J729·6 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$142M
visible holders
Holders
6
filers reporting
Concentration
98.27%
STATE OF WISCONSIN INVESTMENT BOARD #1
top holder share
AI Holders Summary · Q3 2026

6 institutions reported EFFI in Q3 2026. STATE OF WISCONSIN INVESTMENT BOARD leads at 98.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
STATE OF WISCONSIN INVESTMENT BOARD
CIK 0000854157
$139M5.5M0.28%Q2 2026
02
Gateway Wealth Partners, LLC
CIK 0001966037
$2M83K0.13%Q2 2026
03
FLOW TRADERS U.S. LLC
CIK 0001466697· Market maker
$253K10K0.01%Q3 2026
04
FMR LLC
CIK 0000315066
$110K4K0.00%Q3 2026
05
UBS Group AG
CIK 0001610520
$419160.00%Q3 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025