NAMS — NEWAMSTERDAM PHARMA COMPANY
As of Q2 2026, 31 SEC-registered investment managers reported holding NAMS (NEWAMSTERDAM PHARMA COMPANY) in their latest 13F filings, with a combined reported value of $1.33B across 40.32M shares. That is -2.9% by share count (-1.21M shares) versus the previous quarter, while reported value moved -0.2%. Ownership is concentrated: the five largest holders account for 80.7% of reported value and the top ten for 92.5%.
Compared with the prior quarter, 5 opened new positions, 16 added to existing stakes, 8 trimmed, 2 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
NAMS is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Capital World Investors history | Q2 2026 | 12.23M | $414.49M | 0.05% | Add |
| Fidelity Management & Research (FMR) history | Q2 2026 | 10.34M | $350.41M | 0.02% | Add |
| Viking Global Investors history | Q2 2026 | 4.20M | $142.46M | 0.41% | Hold |
| Maverick Capital history | Q2 2026 | 3.27M | $110.75M | 1.00% | Add |
| Janus Henderson Group history | Q1 2026 | 2.26M | $72.25M | 0.04% | Reduce |
| Goldman Sachs Group history | Q2 2026 | 1.56M | $52.93M | 0.01% | Reduce |
| JPMorgan Chase & Co history | Q2 2026 | 1.13M | $38.37M | 0.00% | New |
| BlackRock Inc history | Q2 2026 | 1.06M | $36.05M | 0.00% | Add |
| Franklin Resources history | Q2 2026 | 993.92K | $33.68M | 0.01% | Add |
| Bank of America Corp history | Q2 2026 | 735.48K | $24.93M | 0.00% | Reduce |
| Citadel Advisors history | Q2 2026 | 684.21K | $23.19M | 0.00% | Reduce |
| Morgan Stanley history | Q2 2026 | 575.83K | $19.51M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 501.61K | $17.00M | 0.01% | Add |
| BNY Mellon history | Q2 2026 | 353.30K | $11.97M | 0.00% | Reduce |
| UBS Group AG history | Q2 2026 | 344.06K | $11.66M | 0.00% | Reduce |
| Marshall Wace history | Q1 2026 | 264.80K | $8.48M | 0.01% | New |
| Wellington Management Group history | Q2 2026 | 218.75K | $7.41M | 0.00% | Reduce |
| Point72 Asset Management history | Q2 2026 | 205.50K | $6.96M | 0.01% | Add |
| Deutsche Bank AG history | Q2 2026 | 199.93K | $6.78M | 0.00% | Add |
| Vanguard Group history | Q4 2025 | 172.96K | $6.07M | 0.00% | Hold |
New Positions (Q2 2026)
- JPMorgan Chase & Co 1.13M sh · $38.37M
- D. E. Shaw & Co 120.56K sh · $4.09M
- Two Sigma Investments 12.00K sh · $406.71K
- Baron Funds 9.00K sh · $305.01K
- T. Rowe Price Associates 1.17M sh · $39.56K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 2.26M sh · $72.25M
- Marshall Wace sold 264.80K sh · $8.48M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capital World Investors | — | — | — | — | — | — | — | — | 1.02M | 6.80M | 8.39M | 9.82M | 9.98M | 11.11M | 12.23M |
| Fidelity Management & Research (FMR) | — | — | — | — | — | 243.70K | 243.70K | 330.41K | 212 | 963.82K | 1.90M | 5.54M | 6.41M | 8.77M | 10.34M |
| Viking Global Investors | 3.75M | 3.92M | 6.52M | 8.02M | 8.02M | 8.02M | 8.02M | 8.02M | 6.98M | 6.98M | 6.98M | 6.48M | 4.20M | 4.20M | 4.20M |
| Maverick Capital | — | — | — | — | — | — | — | — | 350.00K | 549.47K | 1.53M | 1.50M | 1.89M | 2.19M | 3.27M |
| Goldman Sachs Group | — | — | — | — | 1.38M | 1.28M | 25.39K | 34.07K | 654.71K | 619.56K | 949.98K | 880.55K | 1.73M | 1.95M | 1.56M |
| JPMorgan Chase & Co | 1.10K | 22.37K | 11.46K | 2.62K | — | 4.32K | 8.07K | 22.35K | 60.98K | 991.32K | 1.46M | 1.30M | 999.98K | — | 1.13M |
| BlackRock Inc | — | — | — | — | — | — | — | 66.67K | 441.52K | 497.98K | 571.67K | 622.51K | 849.78K | 886.62K | 1.06M |
| Franklin Resources | — | — | — | — | — | — | — | — | — | 255.91K | 334.21K | 405.82K | 769.12K | 770.16K | 993.92K |
| Bank of America Corp | — | — | — | — | — | 2.00K | 3.14K | 2.71K | 43.53K | 659.31K | 484.00K | 472.10K | 459.39K | 847.09K | 735.48K |
| Citadel Advisors | — | — | — | 31.40K | 21.05K | 454.33K | 218.25K | 542.66K | 1.12M | 844.63K | 398.34K | 285.06K | 749.55K | 767.06K | 684.21K |
| Morgan Stanley | — | 503 | 808 | 1.70K | 28.54K | 177.59K | 24.69K | 203.21K | 430.10K | 437.54K | 637.71K | 1.50M | 532.80K | 555.76K | 575.83K |
| Millennium Management | — | 55.63K | 373.55K | 1.04M | 1.33M | 947.53K | 1.17M | 16.75K | 494.23K | 14.30K | 27.34K | — | 254.60K | 303.85K | 501.61K |
| BNY Mellon | — | — | — | — | — | — | — | — | — | — | 352.95K | 333.00K | 391.83K | 378.80K | 353.30K |
| UBS Group AG | — | — | 183 | — | 800 | 48.28K | 6.07K | 130.24K | 80.21K | 398.14K | 627.72K | 768.52K | 899.44K | 794.98K | 344.06K |
| Wellington Management Group | — | — | — | — | — | 218.08K | 83.06K | 92.22K | 2.32M | 3.54M | 3.32M | 4.02M | 5.03M | 5.12M | 218.75K |
| Point72 Asset Management | — | — | — | — | — | — | — | — | — | — | — | — | — | 36.40K | 205.50K |
| Deutsche Bank AG | — | — | — | — | — | — | — | 2.45K | 2.65K | 72.40K | 68.09K | 68.42K | 123.96K | 124.78K | 199.93K |
| D. E. Shaw & Co | — | — | — | — | — | — | — | 18.34K | — | — | — | — | — | — | 120.56K |
| Geode Capital Management | — | 18.56K | 25.77K | 41.81K | 47.32K | 52.19K | 84.92K | 86.32K | 88.54K | 85.83K | 99.46K | 101.96K | 102.39K | 104.40K | 105.17K |
| Manulife Financial | — | — | — | — | — | — | — | — | 8.62K | 10.32K | 10.87K | 22.50K | 22.70K | 11.30K | 96.23K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details