Ken Griffin’s Western Asset High Income Opportunity Fund HIO Stock Holding History

Ken Griffin’s Portfolio HIO Stock Details HIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$102K	Buy	+28,169	New	+$105K	﹤0.01%	12004
2025 Q4	–	Sell	-12,269	Closed	-$47.1K	–	13231
2025 Q3	$47.1K	Buy	+12,269	New	+$48.7K	﹤0.01%	12240
2025 Q2	–	Sell	-156,475	Closed	-$623K	–	13561
2025 Q1	$623K	Buy	+156,475	New	+$626K	﹤0.01%	7993
2023 Q4	–	Sell	-15,414	Closed	-$56.1K	–	14694
2023 Q3	$56.1K	Buy	+15,414	New	+$58.5K	﹤0.01%	11618
2021 Q4	–	Sell	-377,447	Closed	-$1.96M	–	14200
2021 Q3	$1.96M	Buy	+377,447	New	+$1.98M	﹤0.01%	6403
2021 Q2	–	Sell	-56,041	Closed	-$285K	–	13980
2021 Q1	$285K	Buy	+56,041	New	+$279K	﹤0.01%	10976
2020 Q2	–	Sell	-77,292	Closed	-$325K	–	10087
2020 Q1	$325K	Buy	+77,292	New	+$371K	﹤0.01%	7184
2019 Q2	–	Sell	-14,423	Closed	-$70K	–	9447
2019 Q1	$70K	Buy	+14,423	New	+$68.6K	﹤0.01%	8684
2018 Q3	–	Sell	-122,264	Closed	-$589K	–	9420
2018 Q2	$589K	Buy	122,264 +30,122	+33%	+$145K	﹤0.01%	6105
2018 Q1	$443K	Buy	+92,142	New	+$455K	﹤0.01%	6105
2017 Q4	–	Sell	-35,637	Closed	-$183K	–	8169
2017 Q3	$183K	Buy	35,637 +10,095	+40%	+$51.5K	﹤0.01%	6763
2017 Q2	$129K	Buy	25,542 +4,709	+23%	+$24.3K	﹤0.01%	6818
2017 Q1	$105K	Buy	+20,833	New	+$106K	﹤0.01%	6842
2015 Q2	–	Sell	-13,273	Closed	-$71K	–	8859
2015 Q1	$71K	Buy	+13,273	New	+$71.2K	﹤0.01%	7136

Other funds holding HIO

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

SIA

Sit Investment Associates Minneapolis, Minnesota $5.28B AUM 14.42% 1-Year Est. Return

CIA

Capital Investment Advisors Atlanta, Georgia $7.59B AUM 23.38% 1-Year Est. Return

PCM

Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

FCA Corp Houston, Texas $406M AUM 24.93% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Rareview Capital Las Vegas, Nevada $179M AUM 11.14% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Ken Griffin's HIO Position: Q1 2026 in Review

Ken Griffin opened a new position in Western Asset High Income Opportunity Fund (HIO) in Q1 2026: 28,169 shares worth $102K. The stake represents ﹤0.01% of the portfolio and ranks #12004 among its holdings. This is a return to the name: Ken Griffin previously reported a position in HIO as recently as Q3 2025.

Ken Griffin first reported a position in HIO in Q1 2015 and has held it in 14 quarters since. The position peaked at $1.96M in Q3 2021. 119 funds tracked by Wall St. Rank hold HIO as of Q1 2026.

Ken Griffin held 28,169 shares of Western Asset High Income Opportunity Fund worth $102K as of Q1 2026.
Western Asset High Income Opportunity Fund was a new Ken Griffin position in Q1 2026.
Western Asset High Income Opportunity Fund made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #12004 holding.
Ken Griffin first reported a position in Western Asset High Income Opportunity Fund in Q1 2015 and has held it in 14 quarters since.
Ken Griffin's Western Asset High Income Opportunity Fund position peaked at $1.96M in Q3 2021.
119 funds tracked by Wall St. Rank held Western Asset High Income Opportunity Fund as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.