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
Holder Concentration
Across 44 13F filers · Δ vs Dec 31, 2025Top Holder
16.3%
−1.4 pts
Top 5
50.8%
−3.5 pts
Top 10
75.1%
−1.7 pts
HHI
739
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 |
|---|---|---|---|
| Large GUGGENHEIM CAPITAL LLC | +74,234 | 134,573 | |
| Mega RAYMOND JAMES FINANCIAL INC | +37,085 | 148,042 | |
| Mega LPL Financial LLC | +32,980 | 284,570 | |
| Mega MORGAN STANLEY | +24,992 | 194,911 | |
| Small Noble Wealth Management PBC | +20,900 | 34,797 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega ENVESTNET ASSET MANAGEMENT INC | −35,794 | 226,534 | |
| Mega UBS Group AG | −12,875 | 13,929 | |
| Small Thomas J. Herzfeld Advisors, Inc. | −6,965 | 114,887 | |
| Large OSAIC HOLDINGS, INC. | −5,075 | 41,585 | |
| Large MML INVESTORS SERVICES, LLC | −2,824 | 10,641 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid SIT INVESTMENT ASSOCIATES INC | 90,282 | $970,531 | |
| Large COHEN & STEERS, INC. | 40,000 | $430,000 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | 14,220 | $152,865 | |
| Mid Equitable Holdings, Inc. | 11,615 | $124,861 | |
| Large Janney Montgomery Scott LLC | 10,578 | $113,713 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Small Logan Stone Capital, LLC | 33,392 | $369,315 | |
| Large Marex Group plc | 17,100 | $189,126 | |
| Small TWO SIGMA SECURITIES, LLC | 13,634 | $150,792 | |
| Large Kestra Advisory Services, LLC | 2,187 | $24,188 | |
| Micro Kilter Group LLC | 1,177 | $13,017 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mega WELLS FARGO & COMPANY/MN | $10 | 0.00% | 1 | Shares | Defined | 2026-05-11 | ||||
| Mega CITIGROUP INC | $43 | 0.00% | 4 | Shares | Defined | 2026-05-11 | ||||
| Mid Advisory Services Network, LLC | $1,784 | 0.01% | 166 | Shares | Sole | 2026-05-15 | ||||
| Large FIFTH THIRD BANCORP Bank | $2,494 | 0.01% | 232 | Shares | Defined | 2026-05-01 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $3,397 | 0.01% | 316 | Shares | Defined | 2026-05-12 | ||||
| Large US BANCORP \DE\ Bank | $3,407 | 0.01% | 317 | Shares | Defined | 2026-05-15 | ||||
| Small PIN OAK INVESTMENT ADVISORS INC | $6,342 | 0.02% | 590 | Shares | Sole | 2026-05-15 | ||||
| Large Rockefeller Capital Management L.P. | $6,481 | 0.02% | 603 | Shares | Defined | 2026-05-14 | ||||
| Large Steward Partners Investment Advisory, LLC | $10,750 | 0.04% | 1,000 | Shares | Sole | 2026-05-08 | ||||
| Small HIGHLINE WEALTH PARTNERS LLC | $13,222 | 0.05% | 1,230 | Shares | Sole | 2026-04-06 | ||||
| Micro Osbon Capital Management LLC | $15,576 | 0.06% | 1,449 | Shares | Sole | 2026-05-15 | ||||
| Mid MAI Capital Management | $18,210 | 0.07% | 1,694 | Shares | Sole | 2026-05-15 | ||||
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $60,200 | 0.23% | 5,600 | Shares | Defined | 2026-05-07 | ||||
| Small CoreCap Advisors, LLC | $68,800 | 0.26% | 6,400 | Shares | Sole | 2026-04-07 | ||||
| Large Janney Montgomery Scott LLC | $113,713 | 0.43% | 10,578 | Shares | Sole | 2026-04-22 | ||||
| Large MML INVESTORS SERVICES, LLC | $114,390 | 0.43% | 10,641 | Shares | Defined | 2026-05-04 | ||||
| Mid Equitable Holdings, Inc. | $124,861 | 0.47% | 11,615 | Shares | Defined | 2026-05-15 | ||||
| Mega UBS Group AG | $149,736 | 0.56% | 13,929 | Shares | Defined | 2026-05-05 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $152,865 | 0.58% | 14,220 | Shares | Other | 2026-05-15 | ||||
| Mid CHOREO, LLC | $166,603 | 0.63% | 15,498 | Shares | Sole | 2026-05-13 | ||||
| Mid OPPENHEIMER & CO INC | $166,625 | 0.63% | 15,500 | Shares | Sole | 2026-04-24 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $183,921 | 0.69% | 17,109 | Shares | Defined | 2026-05-18 | ||||
| Micro INTEGRATED CAPITAL MANAGEMENT, INC. | $188,834 | 0.71% | 17,566 | Shares | Sole | 2026-05-07 | ||||
| Mid JOURNEY STRATEGIC WEALTH LLC | $310,137 | 1.17% | 28,850 | Shares | Sole | 2026-04-15 | ||||
| Small SeaCrest Wealth Management, LLC | $336,260 | 1.27% | 31,280 | Shares | Sole | 2026-04-15 | ||||
| Large COMMONWEALTH EQUITY SERVICES, LLC | $365,371 | 1.38% | 33,988 | Shares | Sole | 2026-04-27 | ||||
| Small Noble Wealth Management PBC | $374,067 | 1.41% | 34,797 | Shares | Sole | 2026-04-02 | ||||
| Large Cambridge Investment Research Advisors, Inc. | $390,235 | 1.47% | 36,301 | Shares | Sole | 2026-04-30 | ||||
| Large COHEN & STEERS, INC. | $430,000 | 1.62% | 40,000 | Shares | Sole | 2026-05-15 | ||||
| Small Aviance Capital Partners, LLC | $442,620 | 1.67% | 41,174 | Shares | Sole | 2026-05-06 | ||||
| Large OSAIC HOLDINGS, INC. | $447,038 | 1.68% | 41,585 | Shares | Defined | 2026-05-15 | ||||
| Large NewEdge Advisors, LLC | $493,650 | 1.86% | 45,921 | Shares | Sole | 2026-06-03 | ||||
| Small ROBINSON CAPITAL MANAGEMENT, LLC | $577,135 | 2.17% | 53,687 | Shares | Sole | 2026-05-11 | ||||
| Mid PARK AVENUE SECURITIES LLC Broker-Dealer | $887,907 | 3.34% | 82,596 | Shares | Sole | 2026-04-07 | ||||
| Mid SIT INVESTMENT ASSOCIATES INC | $970,531 | 3.65% | 90,282 | Shares | Sole | 2026-05-13 | ||||
| Small Thomas J. Herzfeld Advisors, Inc. | $1,235,035 | 4.65% | 114,887 | Shares | Sole | 2026-05-12 | ||||
| Mid Venture Visionary Partners LLC | $1,343,406 | 5.06% | 124,968 | Shares | Sole | 2026-05-14 | ||||
| Large Baird Financial Group, Inc. | $1,444,896 | 5.44% | 134,409 | Shares | Defined | 2026-05-14 | ||||
| Large GUGGENHEIM CAPITAL LLC | $1,446,659 | 5.44% | 134,573 | Shares | Defined | 2026-05-15 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $1,591,451 | 5.99% | 148,042 | Shares | Defined | 2026-05-14 | ||||
| Mega MORGAN STANLEY | $2,095,292 | 7.89% | 194,911 | Shares | Defined | 2026-05-15 | ||||
| Mega ENVESTNET ASSET MANAGEMENT INC | $2,435,240 | 9.17% | 226,534 | Shares | Sole | 2026-05-04 | ||||
| Mega LPL Financial LLC | $3,059,127 | 11.51% | 284,570 | Shares | Sole | 2026-05-06 | ||||
| Mega ROYAL BANK OF CANADA Bank | $4,320,984 | 16.26% | 401,952 | Shares | Defined | 2026-05-15 | ||||
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