Skip to main content

DMO

Western Asset Mortgage Opportunity Fund Inc.

Company with tickers: DMO

CIK
1478102
CUSIP
95790B109
Shares Outstanding
11,427,128
13F Activity (30d)
25 filings 25 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 44
Total Value: $26,569,305
Total Shares: 2,471,565

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 44 13F filers · Δ vs Dec 31, 2025
Top Holder
16.3%
Jun 2023 → Mar 2026 · range 10.4% – 20.5%
−1.4 pts
Top 5
50.8%
Jun 2023 → Mar 2026 · range 43.5% – 54.3%
−3.5 pts
Top 10
75.1%
Jun 2023 → Mar 2026 · range 70.2% – 78.2%
−1.7 pts
HHI
739
Jun 2023 → Mar 2026 · range 599 – 825
Broadly held −78

Quarterly Activity

vs Dec 31, 2025
New
8
Increased
13
Decreased
13
Sold Out
7
Unchanged
10
Holder count: +1
Institutional value: +8.6%
Shares held: +11.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 44 of 44
Export CSV
Holder Value (USD) % of 13F Shares Open