NewAmsterdam Pharma (NAMSW) Institutional Ownership $7.88 +0.33 (+4.30%) As of 05/30/2025 04:00 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisChartCompetitorsFinancialsOwnershipSEC FilingsShort InterestTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for NewAmsterdam Pharma (NASDAQ:NAMSW)Number ofInstitutional Buyers(last 12 months)3TotalInstitutional Inflows(last 12 months)$660.53KNumber ofInstitutional Sellers(last 12 months)1TotalInstitutional Outflows(last 12 months)$34.82K Get NAMSW Insider Trade Alerts Want to know when executives and insiders are buying or selling NewAmsterdam Pharma stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data NAMSW Institutional Buying and Selling by Quarter NewAmsterdam Pharma Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/14/2025 Affinity Asset Advisors LLC241,957$2.18M0.2%+1.7%0.000% 5/12/2025 Wolverine Asset Management LLC8,884$80K0.0%-30.0%0.000% 2/13/2025 Affinity Asset Advisors LLC237,935$3.33M0.4%+11.7%0.000% 2/3/2025 Wolverine Asset Management LLC12,693$181K0.0%N/A0.000% 7/23/2024 TFC Financial Management Inc.10,000$87K0.0%N/A0.000% 5/15/2024 Affinity Asset Advisors LLC202,599$2.24M0.3%+47.9%0.000% 2/15/2024 Clear Street LLC8,993$28K0.0%-33.2%0.000% 2/14/2024 ADAR1 Capital Management LLC82,857$259K0.1%N/A0.000% 11/15/2023 Affinity Asset Advisors LLC137,000$260K0.1%+270.3%0.000% 8/7/2023 Wolverine Asset Management LLC12,448$26K0.0%N/A0.000% 5/15/2023 Affinity Asset Advisors LLC37,000$68K0.0%N/A0.000% 5/12/2023 Clear Street LLC17,619$32K0.0%N/A0.000% 5/11/2023 Highbridge Capital Management LLC733,327$1.36M0.0%+4.0%0.000% 5/10/2023Exos TFP Holdings LLC93,932$173K0.0%-31.6%0.000% 2/14/2023 RA Capital Management L.P.333,333$289K0.0%N/A0.000% 2/14/2023 EcoR1 Capital LLC66,665$727K0.0%N/A0.000% 2/10/2023Exos TFP Holdings LLC137,317$119K0.0%N/A0.000% 2/3/2023 Frazier Life Sciences Management L.P.500,333$434K0.0%N/A0.000% (Data available from 1/1/2016 forward) NAMSW Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of NAMSW shares? During the previous two years, the following institutional investors and hedge funds held shares of NewAmsterdam Pharma shares: Affinity Asset Advisors LLC ($2.18M), ADAR1 Capital Management LLC ($259K), TFC Financial Management Inc. ($87K), and Wolverine Asset Management LLC ($80K), Clear Street LLC ($28K).Learn more on NAMSW's institutional investors. Which institutional investors have been buying NewAmsterdam Pharma stock? The following institutional investors have purchased NewAmsterdam Pharma stock in the last 24 months: Affinity Asset Advisors LLC ($194.58K), ADAR1 Capital Management LLC ($82.86K), Wolverine Asset Management LLC ($25.14K), and TFC Financial Management Inc. ($10K). How much institutional buying is happening at NewAmsterdam Pharma? Institutional investors have bought a total of 312,580 shares in the last 24 months. This purchase volume represents approximately $1.86M in transactions. Which NewAmsterdam Pharma major shareholders have been selling company stock? The following institutional investors have sold NewAmsterdam Pharma stock in the last 24 months: Clear Street LLC ($4.47K), and Wolverine Asset Management LLC ($3.81K). How much institutional selling is happening at NewAmsterdam Pharma? Institutional investors have sold a total of 8,279 shares in the last 24 months. This volume of shares sold represents approximately $48.81K in transactions. Related Companies Nutriband Major Shareholders This page (NASDAQ:NAMSW) was last updated on 5/31/2025 by MarketBeat.com Staff From Our PartnersWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...Altimetry | SponsoredA grave, grave error.I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. 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