# ACADIAN ASSET MANAGEMENT INC COM

ACADIAN ASSET MANAGEMENT INC COM is a security (CUSIP 10948W103) tracked across SEC portfolio filings. 278 institutional managers reported $1.9B on Form 13F as of 2026-06-30; 21 registered fund positions totaling $111.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ACADIAN ASSET MANAGEMENT INC
- Class: COM
- CUSIP: 10948W103
- Asset category: EC
- 13F holders: 278
- 13F value: $1.9B
- 13F period: 2026-06-30
- N-PORT fund positions: 21
- N-PORT value: $111.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 278 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [PAULSON & CO. INC.](https://search.stillhousedata.com/firm/127831) | NEW YORK, NY | $421.4M | 7,743,282 |
| BlackRock, Inc. | New York, NY | $248.9M | 4,574,232 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $109.8M | 2,335,363 |
| [JENNISON ASSOCIATES LLC](https://search.stillhousedata.com/firm/107959) | NEW YORK, NY | $109.2M | 1,526,570 |
| [Empyrean Capital Partners, LP](https://search.stillhousedata.com/firm/138978) | LOS ANGELES, CA | $71.2M | 1,308,190 |
| STATE STREET CORP | BOSTON, MA | $65.8M | 1,209,440 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $49.2M | 904,549 |
| Impax Asset Management Group plc | LONDON, X0 | $44.8M | 823,323 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $40.7M | 747,822 |
| [Woodline Partners LP](https://search.stillhousedata.com/firm/301480) | San Francisco, CA | $38.2M | 701,720 |
| SOROS FUND MANAGEMENT LLC | New York, NY | $35.3M | 648,807 |
| Nuveen, LLC | CHARLOTTE, NC | $32.0M | 588,464 |
| FEDERATED HERMES, INC. | Pittsburgh, PA | $30.9M | 568,320 |
| MORGAN STANLEY | NEW YORK, NY | $29.3M | 537,643 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $26.1M | 478,814 |

## Top fund holders (N-PORT)

_Showing 15 of 21 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [PGIM Jennison Small Company Fund](https://search.stillhousedata.com/fund/S000004629) | Prudential Jennison Small Co Fund, Inc. | $42.5M | 133.35% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $16.1M | 1.97% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $10.0M | 5.69% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $9.9M | 13.24% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $8.4M | 3.86% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $6.5M | 6.46% |
| [PGIM Jennison Blend Fund](https://search.stillhousedata.com/fund/S000004514) | Prudential Jennison Blend Fund, Inc. | $4.4M | 38.01% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $2.8M | 28.17% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $2.5M | 5.08% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.1M | 11.43% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $1.7M | 7.42% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $972K | 2.69% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $887K | 10.47% |
| [M3Sixty Income and Opportunity Fund](https://search.stillhousedata.com/fund/S000052123) | 360 Funds | $868K | 517.87% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $820K | 0.14% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/10948W103.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.