# ARGENX SE SPONSORED ADR

ARGENX SE SPONSORED ADR is a security (CUSIP 04016X101) tracked across SEC portfolio filings. 506 institutional managers reported $18.3B on Form 13F as of 2026-06-30; 58 registered fund positions totaling $3.5B via N-PORT as of 2026-06-30.

## Summary

- Issuer: ARGENX SE
- Class: SPONSORED ADR
- CUSIP: 04016X101
- Asset category: EC
- 13F holders: 506
- 13F value: $18.3B
- 13F period: 2026-06-30
- N-PORT fund positions: 58
- N-PORT value: $3.5B
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 506 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| FMR LLC | BOSTON, MA | $3.6B | 4,991,034 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $1.8B | 2,541,732 |
| Capital World Investors | LOS ANGELES, CA | $1.6B | 2,256,216 |
| [Artisan Partners Limited Partnership](https://search.stillhousedata.com/firm/150114) | Milwaukee, WI | $1.1B | 1,467,982 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $745.9M | 1,021,457 |
| [Avoro Capital Advisors LLC](https://search.stillhousedata.com/firm/154091) | New York, NY | $730.3M | 1,000,000 |
| BlackRock, Inc. | New York, NY | $590.3M | 808,337 |
| [RTW INVESTMENTS, LP](https://search.stillhousedata.com/firm/153232) | NEW YORK, NY | $518.1M | 709,446 |
| MORGAN STANLEY | NEW YORK, NY | $409.5M | 560,711 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $355.1M | 422,304 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $292.2M | 400,117 |
| [SANDS CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/137610) | ARLINGTON, VA | $248.5M | 340,285 |
| Bellevue Group AG | Kuesnacht, V8 | $228.6M | 313,000 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $211.9M | 219,126 |
| [JENNISON ASSOCIATES LLC](https://search.stillhousedata.com/firm/107959) | NEW YORK, NY | $209.9M | 226,200 |

## Top fund holders (N-PORT)

_Showing 15 of 58 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [EUPAC Fund](https://search.stillhousedata.com/fund/S000009618) | EUPAC Fund | $801.2M | 63.20% |
| [New Economy Fund](https://search.stillhousedata.com/fund/S000009598) | New Economy Fund | $596.6M | 115.62% |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $509.2M | 51.55% |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $317.9M | 291.82% |
| [T. Rowe Price Growth Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002087) | T. ROWE PRICE GROWTH STOCK FUND, INC. | $198.3M | 44.95% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $157.9M | 123.69% |
| [Fidelity Contrafund](https://search.stillhousedata.com/fund/S000006037) | Fidelity Contrafund | $143.7M | 9.10% |
| [Capital Group Global Growth Equity ETF](https://search.stillhousedata.com/fund/S000074250) | Capital Group Global Growth Equity ETF | $82.2M | 72.83% |
| [Artisan Global Opportunities Fund](https://search.stillhousedata.com/fund/S000023270) | Artisan Partners Funds Inc. | $60.6M | 396.97% |
| [T. Rowe Price All-Cap Opportunities Fund](https://search.stillhousedata.com/fund/S000002104) | T. Rowe Price All-Cap Opportunities Fund, Inc. | $54.8M | 38.19% |
| [AB LARGE CAP GROWTH FUND INC](https://search.stillhousedata.com/fund/S000010251) | AB LARGE CAP GROWTH FUND INC | $52.6M | 22.04% |
| [Fidelity Advisor Health Care Fund](https://search.stillhousedata.com/fund/S000005329) | Fidelity Advisor Series VII | $50.8M | 176.00% |
| [PGIM Jennison Health Sciences Fund](https://search.stillhousedata.com/fund/S000004380) | Prudential Sector Funds, Inc. | $49.4M | 355.42% |
| [Old Westbury Large Cap Strategies Fund](https://search.stillhousedata.com/fund/S000001858) | Old Westbury Funds Inc | $40.3M | 16.06% |
| [BARON OPPORTUNITY FUND](https://search.stillhousedata.com/fund/S000000585) | BARON INVESTMENT FUNDS TRUST (f/k/a BARON ASSET FUND) | $34.2M | 211.60% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/04016x101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.