# ATRICURE INC COM

ATRICURE INC COM is a security (CUSIP 04963C209) tracked across SEC portfolio filings. 234 institutional managers reported $1.5B on Form 13F as of 2026-06-30; 30 registered fund positions totaling $86.4M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ATRICURE INC
- Class: COM
- CUSIP: 04963C209
- Asset category: EC
- 13F holders: 234
- 13F value: $1.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 30
- N-PORT value: $86.4M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 234 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $194.0M | 4,903,755 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $128.9M | 3,258,872 |
| BlackRock, Inc. | New York, NY | $115.3M | 4,042,681 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $96.5M | 3,382,555 |
| Hood River Capital Management LLC | PALM BEACH GARDENS, FL | $88.9M | 3,117,545 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | PHILADELPHIA, PA | $51.5M | 1,804,927 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $47.6M | 1,667,166 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $41.9M | 1,467,524 |
| STATE STREET CORP | BOSTON, MA | $37.2M | 1,302,162 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $35.0M | 1,226,116 |
| [Divisadero Street Capital Management, LP](https://search.stillhousedata.com/firm/317392) | MIAMI, FL | $33.1M | 1,159,955 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Paris, I0 | $30.3M | 1,060,806 |
| NEUBERGER BERMAN GROUP LLC | NEW YORK, NY | $30.0M | 1,050,282 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $28.5M | 997,759 |
| [Champlain Investment Partners, LLC](https://search.stillhousedata.com/firm/132474) | BURLINGTON, VT | $27.7M | 971,111 |

## Top fund holders (N-PORT)

_Showing 15 of 30 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [AB DISCOVERY GROWTH FUND, INC.](https://search.stillhousedata.com/fund/S000010117) | AB DISCOVERY GROWTH FUND, INC. | $21.1M | 78.45% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $15.9M | 1.95% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $9.1M | 4.20% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $6.9M | 3.92% |
| [Nicholas Limited Edition, Inc.](https://search.stillhousedata.com/fund/S000009136) | Nicholas Limited Edition, Inc. | $5.7M | 172.87% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $5.0M | 4.96% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $4.6M | 6.19% |
| [HARTFORD SMALL CAP GROWTH HLS FUND](https://search.stillhousedata.com/fund/S000004108) | HARTFORD HLS SERIES FUND II INC | $3.9M | 50.68% |
| [Small Cap Core Portfolio](https://search.stillhousedata.com/fund/S000051867) | Bernstein Fund Inc | $2.9M | 40.24% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $2.3M | 4.74% |
| [Paradigm Micro-Cap Fund](https://search.stillhousedata.com/fund/S000020362) | PARADIGM FUNDS | $1.7M | 130.00% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $1.3M | 13.00% |
| [VOYA SMALLCAP OPPORTUNITIES PORTFOLIO](https://search.stillhousedata.com/fund/S000008640) | Voya Variable Products Trust | $1.2M | 71.70% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $759K | 0.13% |
| [First American Multi-Manager Domestic Equity Fund](https://search.stillhousedata.com/fund/S000059561) | PFM Multi-Manager Series Trust | $752K | 6.39% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/04963C209.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.