Skip to main content

NewAmsterdam Pharma Co N.V.

NAMS
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001936258

In the last 90 days, NewAmsterdam Pharma Co N.V. insiders filed 1 open-market purchase and 3 sales; 194 institutions reported holding it in 13F filings for Q2 2026, worth $4.13B in total; 3 superinvestors hold it, including Viking Global Investors and Maverick Capital.

Other share classesNAMSW

13F holders, Q3 2024

Institutional positions in NewAmsterdam Pharma Co N.V. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
100
+12 vs. Q2 2024
Shares held
77.1M
+5.12M (+7.1%) vs. Q2 2024
Total value
$1.28B
−$102.8M (−7.4%) vs. Q2 2024
New holders
22
44 more added
Sold out
10
17 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting NAMS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 100 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 14 institutionsQ1 2023: 19 institutionsQ2 2023: 29 institutionsQ3 2023: 35 institutionsQ4 2023: 32 institutionsQ1 2024: 76 institutionsQ2 2024: 90 institutionsQ3 2024: 100 institutionsQ4 2024: 131 institutionsQ1 2025: 126 institutionsQ2 2025: 131 institutionsQ3 2025: 137 institutionsQ4 2025: 187 institutionsQ1 2026: 171 institutionsQ2 2026: 194 institutions
Value heldQ3 2024: $1.28B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $362.2MQ1 2023: $444.9MQ2 2023: $580.6MQ3 2023: $464.1MQ4 2023: $691.4MQ1 2024: $1.71BQ2 2024: $1.38BQ3 2024: $1.28BQ4 2024: $2.53BQ1 2025: $2.28BQ2 2025: $2.11BQ3 2025: $3.43BQ4 2025: $4.19BQ1 2026: $3.96BQ2 2026: $4.13B
Institutions holding NAMS and their total value by quarter
QuarterHoldersValue
Q2 2026194$4.13B
Q1 2026171$3.96B
Q4 2025187$4.19B
Q3 2025137$3.43B
Q2 2025131$2.11B
Q1 2025126$2.28B
Q4 2024131$2.53B
Q3 2024100$1.28B
Q2 202490$1.38B
Q1 202476$1.71B
Q4 202332$691.4M
Q3 202335$464.1M
Q2 202329$580.6M
Q1 202319$444.9M
Q4 202214$362.2M
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding NewAmsterdam Pharma Co N.V.; share changes are against Q2 2024.

Institutions holding NAMS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
DuPont Capital Management Corp1$170.00%00.0%Unchanged
Principal Securities, Inc.23$3820.00%+18+360.0%Added
Simplex Trading, LLC62$1.00K0.00%+62New
CWM, LLC38$1.00K0.00%+38New
Global Retirement Partners, LLC91$1.51K0.00%−302−76.8%Reduced
Advisor Group Holdings, Inc.187$3.10K0.00%+142+315.6%Added
Stone House Investment Management, LLC325$5.39K0.00%00.0%Unchanged
Wells Fargo & Company500$8.30K0.00%00.0%Unchanged
PSI Advisors, LLC500$8.30K0.00%00.0%Unchanged
Signaturefd, LLC647$10.7K0.00%00.0%Unchanged
Parallel Advisors, LLC1,400$23.2K0.00%+400+40.0%Added
Deutsche Bank AG2,449$40.7K0.00%+2,449New
Bank of America Corp2,710$45.0K0.00%−427−13.6%Reduced
The PNC Financial Services Group, Inc.4,443$73.8K0.00%+1,769+66.2%Added
Virtus ETF Advisers LLC4,738$78.7K0.04%+81+1.7%Added
Wolverine Asset Management LLC4,944$82.1K0.00%−10,580−68.2%Reduced
Quarry LP6,500$107.9K0.03%+6,247+2,469.2%Added
Barclays PLC7,596$126.1K0.00%+7,199+1,813.4%Added
CIBC Private Wealth Group, LLC7,640$126.8K0.00%−5,000−39.6%Reduced
Bellevue Group AG7,700$127.8K0.00%+7,700New
Tower Research Capital LLC (TRC)7,782$129.2K0.00%+7,782New
Royal Bank of Canada8,957$149.0K0.00%+151+1.7%Added
Venture Visionary Partners LLC10,000$166.0K0.01%−1,000−9.1%Reduced
Rosalind Advisors, Inc.10,123$168.0K0.11%00.0%Unchanged
XTX Topco Ltd11,265$187.0K0.01%+11,265New
Vanguard Group Inc13,445$223.2K0.00%00.0%Unchanged
Kennedy Capital Management, Inc.14,046$233.2K0.01%+2,193+18.5%Added
US Bancorp14,423$239.4K0.00%+27+0.2%Added
California State Teachers Retirement System15,710$260.8K0.00%−485−3.0%Reduced
Legal & General Group Plc15,836$262.9K0.00%00.0%Unchanged
AQR Capital Management LLC15,936$264.5K0.00%+15,936New
Millennium Management LLC16,749$278.0K0.00%−1,148,680−98.6%Reduced
Squarepoint Ops LLC17,133$284.4K0.00%+17,133New
Envestnet Asset Management Inc18,097$300.4K0.00%−1,067−5.6%Reduced
D. E. Shaw & Co., Inc.18,345$304.5K0.00%+18,345New
Balyasny Asset Management LLC21,283$353.3K0.00%+21,283New
JPMorgan Chase & Co22,351$371.0K0.00%+14,280+176.9%Added
SEI Investments Co23,782$394.8K0.00%−779−3.2%Reduced
Gilder Gagnon Howe & Co LLC23,922$397.1K0.00%−463−1.9%Reduced
Yarbrough Capital, LLC23,960$397.7K0.02%00.0%Unchanged
M&T Bank Corp27,328$453.8K0.00%+9,593+54.1%Added
Glenmede Trust Co NA27,420$455.2K0.00%+290+1.1%Added
DCF Advisers, LLC34,000$564.4K0.29%+34,000New
Goldman Sachs Group Inc34,073$565.6K0.00%+8,686+34.2%Added
Swiss National Bank35,100$582.7K0.00%00.0%Unchanged
HRT Financial LP37,601$624.0K0.00%+37,601New
State Street Corp37,915$629.4K0.00%+23,805+168.7%Added
Lisanti Capital Growth, LLC42,165$699.9K0.18%+42,165New
Walleye Capital LLC46,947$779.3K0.01%+46,947New
Artia Global Partners LP54,285$901.1K0.25%00.0%Unchanged
Gsa Capital Partners LLP66,402$1.10M0.08%+29,496+79.9%Added
Cinctive Capital Management LP66,571$1.11M0.06%+29,115+77.7%Added
BlackRock, Inc.66,673$1.11M0.00%+66,673New
Alps Advisors Inc69,660$1.16M0.01%+69,660New
CenterBook Partners LP85,695$1.42M0.09%+85,695New
Geode Capital Management, LLC86,322$1.43M0.00%+1,399+1.6%Added
Wellington Management Group LLP92,223$1.53M0.00%+9,162+11.0%Added
Baker Bros. Advisors LP96,711$1.61M0.02%−116−0.1%Reduced
Two Sigma Advisers, LP97,500$1.62M0.00%+97,500New
Parkman Healthcare Partners LLC105,334$1.75M0.22%−30,042−22.2%Reduced
Marshall Wace, LLP110,124$1.83M0.00%+88,293+404.4%Added
Readystate Asset Management LP121,000$2.01M0.10%+121,000New
Standard Life Aberdeen plc129,060$2.14M0.00%+53,060+69.8%Added
UBS Group AG130,240$2.16M0.00%+124,171+2,046.0%Added
HealthInvest Partners AB138,983$2.31M1.08%+63,189+83.4%Added
Morgan Stanley203,205$3.37M0.00%+178,513+723.0%Added
Moody Aldrich Partners LLC216,493$3.59M0.65%−4,174−1.9%Reduced
Two Sigma Investments, LP230,097$3.82M0.01%+143,800+166.6%Added
UBS Asset Management Americas Inc239,283$3.97M0.00%+221,305+1,231.0%Added
Ensign Peak Advisors, Inc245,571$4.08M0.01%−535−0.2%Reduced
TimesSquare Capital Management, LLC255,245$4.24M0.06%+9,160+3.7%Added
Duquesne Family Office LLCSuperinvestorDuquesne Family Office287,535$4.77M0.17%+287,535New
Eversept Partners, LP307,357$5.10M0.39%−22,533−6.8%Reduced
Alyeska Investment Group, L.P.308,158$5.12M0.03%+222,517+259.8%Added
FMR LLC330,412$5.48M0.00%+86,712+35.6%Added
Opaleye Management Inc.335,000$5.56M0.93%+20,000+6.3%Added
AXA S.A.344,653$5.72M0.02%+95,261+38.2%Added
Rock Springs Capital Management LP353,319$5.87M0.19%+353,319New
ArrowMark Colorado Holdings LLC354,975$5.89M0.08%+57,806+19.5%Added
Affinity Asset Advisors, LLC472,390$7.84M1.22%+49,235+11.6%Added
Citadel Advisors LLC522,465$8.67M0.01%+308,311+144.0%Added
Decheng Capital LLC590,000$9.79M2.32%+190,000+47.5%Added
GMT Capital Corp829,036$13.8M0.55%−62,800−7.0%Reduced
Avidity Partners Management LP889,700$14.8M0.75%+330,400+59.1%Added
Deerfield Management Company, L.P. (Series C)901,750$15.0M0.22%+32,500+3.7%Added
Siren, L.L.C.920,564$15.3M0.76%+920,564New
Pictet Asset Management Holding SA1,016,847$16.9M0.02%+333,166+48.7%Added
Jennison Associates LLC1,020,278$16.9M0.01%+83,115+8.9%Added
Woodline Partners LP1,164,677$19.3M0.16%+681,289+140.9%Added
Adage Capital Partners GP, L.L.C.1,380,000$22.9M0.04%−150,000−9.8%Reduced
Polar Capital Holdings Plc1,505,000$25.0M0.15%+502,414+50.1%Added
BVF Inc1,521,948$25.3M0.74%00.0%Unchanged
Janus Henderson Group PLC1,540,729$25.6M0.01%+520,772+51.1%Added
Cormorant Asset Management, LP2,470,000$41.0M2.17%+170,000+7.4%Added
Medicxi Ventures Management (Jersey) Ltd2,869,565$47.6M9.01%00.0%Unchanged
Viking Global Investors LPSuperinvestorViking Global Investors8,024,565$133.2M0.49%00.0%Unchanged
Ra Capital Management, L.P.8,064,000$133.9M1.54%00.0%Unchanged
Bain Capital Life Sciences Investors, LLC10,473,913$173.9M18.09%00.0%Unchanged
FCPM III Services B.V.11,831,461$196.4M33.73%00.0%Unchanged
Frazier Life Sciences Management, L.P.12,855,194$213.4M8.55%+628,251+5.1%Added