# UPWORK INC CV 0.25PERCENT 081526 REG CNV

UPWORK INC CV 0.25PERCENT 081526 REG CNV is a security (CUSIP 91688FAB0) tracked across SEC portfolio filings. 25 institutional managers reported $321.5M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $9.9M via N-PORT as of 2026-04-30.

## Summary

- Issuer: UPWORK INC CV 0.25PERCENT 081526 REG
- Class: CNV
- CUSIP: 91688FAB0
- Asset category: DBT
- 13F holders: 25
- 13F value: $321.5M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $9.9M
- N-PORT report: 2026-04-30

## Top institutional holders (Form 13F)

_Showing 15 of 25 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| CAMDEN ASSET MANAGEMENT L P /CA | Los Angeles, CA | $77.2M | 79,023,000 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://search.stillhousedata.com/firm/153277) | NEW YORK, NY | $73.9M | 75,000,000 |
| [DeepCurrents Investment Group LLC](https://search.stillhousedata.com/firm/288159) | NEW YORK, NY | $52.4M | 53,286,000 |
| [OSTERWEIS CAPITAL MANAGEMENT INC](https://search.stillhousedata.com/firm/105421) | SAN FRANCISCO, CA | $14.4M | 14,680,000 |
| ADVENT CAPITAL MANAGEMENT /DE/ | NEW YORK, NY | $13.9M | 14,174,000 |
| ARISTEIA CAPITAL LLC | GREENWICH, CT | $12.8M | 13,058,000 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $12.8M | 13,000,000 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $12.3M | 12,499,000 |
| [Calamos Advisors LLC](https://search.stillhousedata.com/firm/105758) | NAPERVILLE, IL | $9.9M | 10,000,000 |
| [ABSOLUTE INVESTMENT ADVISERS, LLC](https://search.stillhousedata.com/firm/132439) | ROSEMARY BEACH, FL | $8.6M | 8,640,000 |
| [Ovata Capital Management Ltd](https://search.stillhousedata.com/firm/290633) | HONG KONG, K3 | $8.3M | 8,329,000 |
| STATE STREET CORP | BOSTON, MA | $7.3M | 7,525,000 |
| K2 PRINCIPAL FUND, L.P. | TORONTO, A6 | $3.9M | 4,000 |
| BlackRock, Inc. | New York, NY | $2.9M | 2,916,000 |
| [PIPER SANDLER & CO.](https://search.stillhousedata.com/firm/665) | MINNEAPOLIS, MN | $2.6M | 2,610,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Calamos Market Neutral Income Fund](https://search.stillhousedata.com/fund/S000004062) | CALAMOS INVESTMENT TRUST/IL | $9.9M | 5.58% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/91688FAB0.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.