# XM Sirius Common

XM Sirius Common is a security (CUSIP 82968B103) tracked across SEC portfolio filings. 4 institutional managers reported $1.3M on Form 13F as of 2026-06-30; 1 registered fund positions totaling $2.1M via N-PORT as of 2020-12-31.

## Summary

- Issuer: XM Sirius
- Class: Common
- CUSIP: 82968B103
- Asset category: EC
- 13F holders: 4
- 13F value: $1.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 1
- N-PORT value: $2.1M
- N-PORT report: 2020-12-31

## Top institutional holders (Form 13F)

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Bruce & Co., Inc. | Chicago, IL | $1.3M | 55,784 |
| [Citadel Investment Advisory, Inc.](https://search.stillhousedata.com/firm/110540) | CHESTERLAND, OH | $218 | 7,396 |
| OGOREK ANTHONY JOSEPH /NY/ /ADV | WILLIAMSVILLE, NY | $8 | 357 |
| HUNTINGTON NATIONAL BANK | COLUMBUS, OH | $3 | 1 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Master Advantage U.S. Total Market LLC](https://search.stillhousedata.com/fund/S000002322) | Master Advantage U.S. Total Market LLC | $2.1M | 57.69% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/82968b103.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.
