# ACTINIUM PHARMACEUTICALS INC COM

ACTINIUM PHARMACEUTICALS INC COM is a security (CUSIP 00507W206) tracked across SEC portfolio filings. 58 institutional managers reported $5.3M on Form 13F as of 2026-06-30; 3 registered fund positions totaling $335K via N-PORT as of 2026-03-31.

## Summary

- Issuer: ACTINIUM PHARMACEUTICALS INC
- Class: COM
- CUSIP: 00507W206
- Asset category: EC
- 13F holders: 58
- 13F value: $5.3M
- 13F period: 2026-06-30
- N-PORT fund positions: 3
- N-PORT value: $335K
- N-PORT report: 2026-03-31

## Top institutional holders (Form 13F)

_Showing 15 of 58 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $1.9M | 1,421,038 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $562K | 564,600 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $469K | 471,600 |
| BlackRock, Inc. | New York, NY | $369K | 371,210 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $336K | 337,168 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $335K | 336,073 |
| [GAGNON SECURITIES LLC](https://search.stillhousedata.com/firm/103727) | New York, NY | $178K | 182,142 |
| STATE STREET CORP | BOSTON, MA | $126K | 126,215 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $123K | 123,998 |
| [Gen-Wealth Partners Inc](https://search.stillhousedata.com/firm/281330) | ZEELAND, MI | $107K | 107,111 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $101K | — |
| NORTHERN TRUST CORP | CHICAGO, IL | $75K | 75,855 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $70K | 70,241 |
| JANE STREET GROUP, LLC | NEW YORK, NY | $60K | 34,299 |
| Vontobel Holding Ltd. | ZURICH, V8 | $49K | 50,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $303K | 0.04% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $29K | 0.00% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $3K | 0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00507W206.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.