# ALPHATEC HOLDINGS INC 0.75 03/15/2030 144A SDBCV

ALPHATEC HOLDINGS INC 0.75 03/15/2030 144A SDBCV is a security (CUSIP 02081GAD4) tracked across SEC portfolio filings. 29 institutional managers reported $380.4M on Form 13F as of 2026-06-30; 14 registered fund positions totaling $25.1M via N-PORT as of 2026-05-29.

## Summary

- Issuer: ALPHATEC HOLDINGS INC 0.75 03/15/2030 144A
- Class: SDBCV
- CUSIP: 02081GAD4
- Asset category: DBT
- 13F holders: 29
- 13F value: $380.4M
- 13F period: 2026-06-30
- N-PORT fund positions: 14
- N-PORT value: $25.1M
- N-PORT report: 2026-05-29

## Top institutional holders (Form 13F)

_Showing 15 of 29 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Linden Advisors LP | New York, NY | $71.8M | 69,900,000 |
| [Voya Investment Management LLC](https://search.stillhousedata.com/firm/108934) | Atlanta, GA | $67.3M | 65,435,000 |
| [BRAIDWELL LP](https://search.stillhousedata.com/firm/316988) | STAMFORD, CT | $63.4M | 61,621,000 |
| Context Capital Management, LLC | LAJOLLA, CA | $28.7M | 30,000,000 |
| Jump Financial, LLC | Chicago, IL | $20.8M | 20,275,000 |
| [AQR Arbitrage LLC](https://search.stillhousedata.com/firm/114626) | Greenwich, CT | $20.1M | 19,573,000 |
| [CAPSTONE INVESTMENT ADVISORS, LLC](https://search.stillhousedata.com/firm/155563) | NEW YORK, NY | $19.3M | 18,800,000 |
| BlackRock, Inc. | New York, NY | $15.6M | 15,240,000 |
| [SILVERBACK ASSET MANAGEMENT LLC](https://search.stillhousedata.com/firm/141407) | CHAPEL HILL, NC | $14.6M | 14,250,000 |
| [ABSOLUTE INVESTMENT ADVISERS, LLC](https://search.stillhousedata.com/firm/132439) | ROSEMARY BEACH, FL | $13.8M | 14,500,000 |
| [SSI INVESTMENT MANAGEMENT LLC](https://search.stillhousedata.com/firm/104889) | Los Angeles, CA | $5.9M | 5,796,000 |
| FMR LLC | BOSTON, MA | $5.3M | 5,164,000 |
| STATE STREET CORP | BOSTON, MA | $5.2M | 5,107,000 |
| BNP PARIBAS ARBITRAGE, SNC | PARIS, I0 | $5.1M | 4,960,000 |
| MORGAN STANLEY | NEW YORK, NY | $4.9M | 4,788,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| CALAMOS CONVERTIBLE & HIGH INCOME FUND | CALAMOS CONVERTIBLE & HIGH INCOME FUND | $6.0M | 58.22% |
| CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | CALAMOS CONVERTIBLE OPPORTUNITIES & INCOME FUND | $5.7M | 58.99% |
| Calamos Dynamic Convertible & Income Fund | Calamos Dynamic Convertible & Income Fund | $4.7M | 68.92% |
| Virtus Convertible & Income Fund | Virtus Convertible & Income Fund | $1.6M | 39.07% |
| Virtus Convertible & Income Fund II | Virtus Convertible & Income Fund II | $1.3M | 40.78% |
| Virtus Dividend, Interest & Premium Strategy Fund | Virtus Dividend, Interest & Premium Strategy Fund | $1.3M | 9.08% |
| Virtus Equity & Convertible Income Fund | Virtus Equity & Convertible Income Fund | $1.3M | 16.06% |
| Advent Convertible & Income Fund | ADVENT CONVERTIBLE & INCOME FUND | $1.0M | 17.25% |
| [Global Opportunities Portfolio](https://search.stillhousedata.com/fund/S000027417) | Global Opportunities Portfolio | $1.0M | 0.76% |
| Virtus Diversified Income & Convertible Fund | Virtus Diversified Income & Convertible Fund | $976K | 34.14% |
| [Virtus Global Allocation Fund](https://search.stillhousedata.com/fund/S000025374) | Virtus Strategy Trust | $92K | 6.28% |
| [Virtus Newfleet Multi-Sector Bond ETF](https://search.stillhousedata.com/fund/S000048895) | ETFis Series Trust I | $12K | 0.28% |
| [Franklin Alternative Strategies Fund](https://search.stillhousedata.com/fund/S000042023) | Franklin Alternative Strategies Funds | $7K | 0.12% |
| Virtus Global Multi-Sector Income Fund | Virtus Global Multi-Sector Income Fund | $4K | 0.40% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/02081GAD4.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.