As of November 6, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of FS Credit Opportunities Corp. The largest reported stake is Massachusetts Mutual Life Insurance Company's, at 32.5%. 8 filings are on record since August 14, 2025 (Schedule 13G/A, March 6, 2026).
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Key facts
- · Reporting person: Apollo Management Holdings GP, LLC · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-05-14
- · Reporting person: Massachusetts Mutual Life Insurance Company · Sole voting: 0 · Shared voting: 130,000 · Sole dispositive: 0 · Shared dispositive: 130,000 · SCHEDULE 13G/A, 2026-03-06
- · Holder: Apollo Management Holdings GP, LLC · Percent: 6.3% · SCHEDULE 13G/A
- · Reporting person: Blue Owl Capital Holdings LP · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-02-12
- · Holder: Apollo Management Holdings GP, LLC · Percent: 6.3% · SCHEDULE 13G/A
FS Credit Opportunities Corp. has 8 Schedule 13D or 13G filings on record since 2025-08-14. 2 holders' latest filing reports 5% or more of term preferred shares. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Massachusetts Mutual Life Insurance Company | 32.5% | 130,000 | SCHEDULE 13G/A, 2026-03-06 | 2026-02-28 |
| BlackRock Portfolio Management LLC | 21.3% | 85,000 | SCHEDULE 13G/A, 2025-11-07 | 2025-10-31 |
| Apollo Management Holdings GP, LLC | 0% | 0 | SCHEDULE 13G/A, 2026-05-14 | 2026-03-31 |
| Blue Owl Capital Holdings LP | 0% | 0 | SCHEDULE 13G/A, 2026-02-12 | 2025-12-31 |
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More on FS Credit Opportunities Corp. and the records around it.
FS Credit Opportunities Corp. elsewhere on the record
Companies that share a holder
- Massachusetts Mutual Life Insurance Company also filed stake reports on 2 other companies: TORTOISE ENERGY INFRASTRUCTURE CORP (Sep 2025), CION Ares Diversified Credit Fund (Aug 2025)
- Blue Owl Capital Holdings LP also filed stake reports on 10 other companies: Context Therapeutics Inc. (Aug 2026), enGene Therapeutics Inc. (Aug 2026), Aktis Oncology, Inc. (May 2026)
- Apollo Management Holdings GP, LLC also filed stake reports on 14 other companies: Carlyle Tactical Private Credit Fund (Aug 2026), CION Ares Diversified Credit Fund (Aug 2026), COMMUNITY HEALTH SYSTEMS INC (Aug 2026)
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What the Full Report on FS Credit Opportunities Corp. covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Massachusetts Mutual Life Insurance Company | 0 | 130,000 | 0 | 130,000 | SCHEDULE 13G/A, 2026-03-06 |
| Barings LLC | 0 | 130,000 | 0 | 130,000 | SCHEDULE 13G/A, 2026-03-06 |
| Apollo Management Holdings GP, LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Athene Annuity and Life Company | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Insurance Solutions Group LP | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| AISG GP Ltd. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Life Asset L.P. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Life Asset GP, LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Capital Management, L.P. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Capital Management GP, LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Apollo Management Holdings, L.P. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-05-14 |
| Blue Owl Capital Holdings LP | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-02-12 |
The latest filing identifies FS Credit Opportunities Corp. by CUSIP 30290YAF8 and gives its principal executive office as 201 Rouse Boulevard, Philadelphia, PA 19112 (SCHEDULE 13G/A, 2026-05-14).
What the percentages are based on
Information in Row 11 of the respective cover pages of the individual Reporting Persons is incorporated into this Item 4(b) by reference.Apollo Management Holdings GP, LLC, SCHEDULE 13G/A, 2026-05-14
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-08-14 | Apollo Management Holdings GP, LLC | 6.3% | SCHEDULE 13G/A |
| 2025-11-07 | Massachusetts Mutual Life Insurance Company | 26.25% | SCHEDULE 13G |
| 2025-11-07 | BlackRock Portfolio Management LLC | 21.3% | SCHEDULE 13G/A |
| 2025-11-14 | Apollo Management Holdings GP, LLC | 6.3% | SCHEDULE 13G/A |
| 2026-02-12 | Blue Owl Capital Holdings LP | 0% | SCHEDULE 13G/A |
| 2026-02-13 | Apollo Management Holdings GP, LLC | 6.3% | SCHEDULE 13G/A |
| 2026-03-06 | Massachusetts Mutual Life Insurance Company | 32.5% | SCHEDULE 13G/A |
| 2026-05-14 | Apollo Management Holdings GP, LLC | 0% | SCHEDULE 13G/A |
Questions about who owns FS Credit Opportunities Corp.
Who owns FS Credit Opportunities Corp.?
On this page, 2 holders' latest ownership filings report 5% or more of FS Credit Opportunities Corp.: Massachusetts Mutual Life Insurance Company (32.5%, Schedule 13G/A, filed 2026-03-06) and BlackRock Portfolio Management LLC (21.3%, Schedule 13G/A, filed 2025-11-07).
Who are the largest shareholders of FS Credit Opportunities Corp.?
By the share each holder's latest filing reports, the largest holders of FS Credit Opportunities Corp. on this page are Massachusetts Mutual Life Insurance Company (32.5%) and BlackRock Portfolio Management LLC (21.3%).
When did Massachusetts Mutual Life Insurance Company buy into FS Credit Opportunities Corp.?
The filings give report dates, not purchase dates. The earliest filing from Massachusetts Mutual Life Insurance Company on this page is the Schedule 13G, filed 2025-11-07, reporting 26.25%; its latest, Schedule 13G/A filed 2026-03-06, reports 32.5%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 8 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.