# ABIVAX SA AMERICAN DEPOSITARY SHARES ADRS

ABIVAX SA AMERICAN DEPOSITARY SHARES ADRS is a security (CUSIP 00370M103) tracked across SEC portfolio filings. 274 institutional managers reported $5.7B on Form 13F as of 2026-06-30; 22 registered fund positions totaling $238.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ABIVAX SA AMERICAN DEPOSITARY SHARES
- Class: ADRS
- CUSIP: 00370M103
- Asset category: EC
- 13F holders: 274
- 13F value: $5.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 22
- N-PORT value: $238.5M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 274 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| TCG Crossover Management, LLC | PALO ALTO, CA | $721.7M | 6,481,085 |
| UBS Group AG | Zurich, V8 | $506.4M | 4,547,406 |
| [Darwin Global Management, Ltd.](https://search.stillhousedata.com/firm/312512) | ST. HELIER, Y9 | $352.1M | 3,468,657 |
| MORGAN STANLEY | NEW YORK, NY | $189.8M | 1,704,958 |
| Vestal Point Capital, LP | NEW YORK, NY | $167.0M | 1,500,000 |
| [Caligan Partners LP](https://search.stillhousedata.com/firm/289887) | New York, NY | $162.8M | 1,461,924 |
| [ADAR1 Capital Management, LLC](https://search.stillhousedata.com/firm/299694) | AUSTIN, TX | $160.1M | 1,394,019 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $149.1M | 544,338 |
| [WESTFIELD CAPITAL MANAGEMENT CO LP](https://search.stillhousedata.com/firm/146990) | BOSTON, MA | $147.3M | 1,322,938 |
| FMR LLC | BOSTON, MA | $143.2M | 1,286,373 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $143.1M | 381,282 |
| Helikon Investments Ltd | LONDON, X0 | $112.8M | 1,013,324 |
| [Eversept Partners, LP](https://search.stillhousedata.com/firm/282358) | NEW YORK, NY | $104.0M | 934,423 |
| JANUS HENDERSON GROUP PLC | LONDON, X0 | $98.0M | 878,829 |
| [BAKER BROS. ADVISORS LP](https://search.stillhousedata.com/firm/158149) | NEW YORK, NY | $97.5M | 875,796 |

## Top fund holders (N-PORT)

_Showing 15 of 22 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [T. Rowe Price Health Sciences Fund, Inc.](https://search.stillhousedata.com/fund/S000002088) | T. ROWE PRICE HEALTH SCIENCES FUND, INC. | $45.4M | 41.70% |
| [ALGER SPECTRA FUND](https://search.stillhousedata.com/fund/S000009190) | ALGER FUNDS II | $32.9M | 76.72% |
| [ALGER FOCUS EQUITY FUND](https://search.stillhousedata.com/fund/S000009201) | ALGER INSTITUTIONAL FUNDS | $30.2M | 49.50% |
| abrdn World Healthcare Fund | abrdn World Healthcare Fund | $24.9M | 518.06% |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $21.5M | 96.78% |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $18.5M | 1.87% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $10.6M | 8.32% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $9.9M | 86.84% |
| [PGIM Jennison Health Sciences Fund](https://search.stillhousedata.com/fund/S000004380) | Prudential Sector Funds, Inc. | $7.5M | 54.00% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $7.3M | 24.04% |
| abrdn Healthcare Opportunities Fund | abrdn Healthcare Opportunities Fund | $6.7M | 93.39% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $6.5M | 116.04% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $5.9M | 42.55% |
| [T. Rowe Price Health Sciences Portfolio](https://search.stillhousedata.com/fund/S000002083) | T. ROWE PRICE EQUITY SERIES, INC. | $2.8M | 41.93% |
| [Fidelity Nasdaq Composite Index ETF](https://search.stillhousedata.com/fund/S000006011) | Fidelity Commonwealth Trust | $1.9M | 1.77% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00370M103.md)
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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.