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Equibles

Mariner, LLC

Position in HIO — Western Asset High Income Opportunity Fund Inc.

CIK 1373442 Overland Park, KS
Back to HIO Full portfolio

Position in HIO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$86,719
-$14,329 QoQ
Shares Held
23,824
-14.4% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#64
of 113 holders
Holding Since
Sep 2023
12 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in HIO Over Time

Shares Held

Position Value (USD)

Position in Asset Management

Financial Services · as of Jun 30, 2026

Mariner, LLC holds $1,160,071,100 across 185 Asset Management names. HIO ranks #176 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 APO
Apollo Global Management, Inc.
 4,681,672 $553,888,614
2 BLK
BlackRock, Inc.
 140,121 $134,734,747
3 NTRS
Northern Trust Corp
 337,956 $58,750,270
4 KKR
KKR & Co. Inc.
 597,195 $54,810,556
5 BX
Blackstone Inc.
 316,672 $37,262,793
6 PSBD
Palmer Square Capital BDC Inc.
 3,160,003 $32,927,231
7 VCTR
Victory Capital Holdings, Inc.
 304,855 $25,626,111
8 AMP
Ameriprise Financial Inc
 55,156 $25,303,366

All Filings in HIO

Export CSV
12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $86,719 23,824
2026-03-31 $101,048 27,837
2025-12-31 $82,154 22,144
2025-09-30 $84,295 21,952
2025-06-30 $117,728 29,580
2025-03-31 $60,257 15,140
2024-12-31 $53,369 13,580
2024-09-30 $225,309 55,632
2024-06-30 $256,077 67,212
2024-03-31 $213,720 54,800
2023-12-31 $212,442 55,037
2023-09-30 $199,472 54,800