# Columbia Mortgage Opportunities Fund

Columbia Mortgage Opportunities Fund is a registered fund series of Columbia Funds Series Trust II (series S000045258). Net assets $2.6B as of 2026-05-31.

## Profile

- Series ID: S000045258
- Registrant: Columbia Funds Series Trust II
- LEI: 549300WK44U8MSIPOD39
- Net assets: $2.6B
- Total assets: $4.8B
- As of: 2026-05-31

## Advisers

- [Columbia Management Investment Advisers, LLC (Advisor)](https://search.stillhousedata.com/firm/108257)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F060667) | — | $483.0M | 1823.33% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F042665) | — | $463.6M | 1750.34% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F040669) | — | $409.6M | 1546.24% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F050668) | — | $256.8M | 969.32% |
| [Government National Mortgage Association](https://search.stillhousedata.com/security/21H042661) | — | $230.8M | 871.50% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F032666) | — | $136.3M | 514.68% |
| [COLUMBIA SHORT TERM CASH FUND](https://search.stillhousedata.com/security/19766H239) | — | $102.4M | 386.50% |
| [UMBS, TBA](https://search.stillhousedata.com/security/01F052664) | — | $60.3M | 227.52% |
| [FEDERAL NATIONAL MORTGAGE ASSOCIATION](https://search.stillhousedata.com/security/3140XHYM3) | — | $29.4M | 111.11% |
| [Freddie Mac - STACR](https://search.stillhousedata.com/security/35564KJB6) | — | $28.4M | 107.06% |
| [Madison Park Funding Ltd](https://search.stillhousedata.com/security/55822RAD2) | — | $27.0M | 101.85% |
| [FEDERAL NATIONAL MORTGAGE ASSOCIATION](https://search.stillhousedata.com/security/3140W1VH3) | — | $25.8M | 97.58% |
| [Cayuga Park CLO, Ltd.](https://search.stillhousedata.com/security/149791BG9) | — | $24.5M | 92.60% |
| [Freddie Mac](https://search.stillhousedata.com/security/3137HKF33) | — | $23.7M | 89.64% |
| [Freddie Mac](https://search.stillhousedata.com/security/3137GCF65) | — | $23.4M | 88.28% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-05-31 | $2.6B |
| 2026-02-28 | $2.7B |
| 2025-11-30 | $2.5B |
| 2025-08-31 | $2.3B |
| 2025-05-31 | $2.2B |
| 2025-02-28 | $2.2B |
| 2024-11-30 | $2.4B |
| 2024-08-31 | $2.3B |

## More

- [Registrant: Columbia Funds Series Trust II](https://search.stillhousedata.com/registrant/1352280)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000045258.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.