NAMS
NAMS · US
NAMS is held by 2 of the 24 tracked investors in their latest 13F filings. The largest position is Viking Global Investors's at $142M, 0.41% of that portfolio. Versus the prior quarter, 0 added, 0 trimmed and 0 bought new.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Viking Global Investors weight 0.41% · Q2 2026 |
142M | – |
| Duquesne Family Office weight 2.00% · Q2 2026 |
104M | – |
Holding history
13F · shares at each quarter-end| Investor | 26Q2 | 26Q1 | 25Q4 | 25Q3 | 25Q2 | 25Q1 | 24Q4 | 24Q3 |
|---|---|---|---|---|---|---|---|---|
| Viking | ||||||||
| Druckenmiller |
Bar height = shares of NAMS relative to that investor's own peak in these quarters (split-adjusted); · = filed but did not hold; blank = no filing kept.
5%+ holders (13D/13G)
SEC| Holder | Stake | Change |
|---|---|---|
| Frazier Life Sciences X, L.P. Active |
6.1% | New filing |
Questions
Which big investors own NAMS?
Viking Global Investors ($142M), Duquesne Family Office ($104M), per their latest 13F filings.
Does Warren Buffett own NAMS?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own NAMS?
Not in its latest 13F.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.