NAMS Institutional Ownership
Top institutional (13F) holders of NAMS and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
42
Institutional value
$1.74B
Top holder
Capital World Investors
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| Capital World Investorsinvestment advisor | 10.2% | Aug 12, 2026 | $414.49M |
| FMR LLCinvestment advisor | 8.6% | Aug 13, 2026 | $350.41M |
| VIKING GLOBAL INVESTORS LPother | 3.5% | Aug 14, 2026 | $142.46M |
| MAVERICK CAPITAL LTDinvestment advisor | 2.7% | Aug 14, 2026 | $110.75M |
| Duquesne Family Office LLCinvestment advisor | 2.6% | Aug 14, 2026 | $104.05M |
| JENNISON ASSOCIATES LLCinvestment advisor | 1.8% | Aug 3, 2026 | $71.25M |
| Capital International Investorsinvestment advisor | 1.4% | Aug 12, 2026 | $58.41M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.3% | Aug 14, 2026 | $52.93M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLPinvestment advisor | 1.2% | Aug 14, 2026 | $49.85M |
| Ameriprise Financial, Inc.holding company | 1.0% | Aug 14, 2026 | $42.48M |
| AllianceBernstein L.P.investment advisor | 1.1% | Aug 14, 2026 | $40.33M |
| T. Rowe Price Associates, Inc.investment advisor | 1.0% | Aug 14, 2026 | $39.56M |
| JPMORGAN CHASE & COholding company | 0.9% | Aug 12, 2026 | $38.37M |
| BlackRock, Inc.holding company | 0.9% | Aug 7, 2026 | $36.05M |
| FRANKLIN RESOURCES INCinvestment advisor | 0.8% | Aug 13, 2026 | $33.68M |
| BANK OF AMERICA CORP /DE/holding company | 0.6% | Aug 14, 2026 | $24.93M |
| CITADEL ADVISORS LLCinvestment advisor | 0.6% | Sep 1, 2026 | $23.19M |
| MORGAN STANLEYholding company | 0.5% | Aug 13, 2026 | $19.51M |
| JANE STREET GROUP, LLCholding company | 0.4% | Aug 14, 2026 | $16.73M |
| UBS Group AGbank | 0.3% | Aug 13, 2026 | $11.66M |
| MARSHALL WACE, LLPinvestment advisor | 0.2% | May 14, 2026 | $8.48M |
| Bank of New York Mellon Corpholding company | 0.3% | Nov 5, 2026 | $8.22M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 0.2% | Aug 14, 2026 | $7.41M |
| Point72 Asset Management, L.P.investment advisor | 0.2% | Aug 14, 2026 | $6.96M |
| Vanguard Portfolio Managementinvestment advisor | 0.2% | Aug 13, 2026 | $6.16M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| Capital World Investorsinvestment advisor | SC 13G/A | 10.4% | Jun 4, 2026 |
| Peter Kolchinskyholding companywith RA Capital Healthcare Fund, L.P. and 2 others | SC 13G/A | 9.9% | May 15, 2025 |
| FHMLSP, L.L.C.otherwith FHMLSP, L.P. and 13 others | SC 13D/A | 8.7% | Sep 22, 2026 |
| FMR LLCinvestment advisorwith Abigail P. Johnson | SC 13G/A | 8.8% | Aug 6, 2026 |
| ForGrowth NAP B.V.otherwith Forbion Capital Fund IV Cooperatief U.A. and 3 others | SC 13D/A | 8.3% | Sep 30, 2025 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.