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NewAmsterdam Pharma (NAMS) Institutional Ownership

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$36.40 -0.07 (-0.19%)
Closing price 10/17/2025 04:00 PM Eastern
Extended Trading
$36.40 0.00 (0.00%)
As of 10/17/2025 08:00 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Institutional Ownership Changes (13F Filings) for NewAmsterdam Pharma (NASDAQ:NAMS)

Current
Institutional Ownership
Percentage
89.89%
Number of
Institutional Buyers
(last 12 months)
104
Total
Institutional Inflows
(last 12 months)
$908.00M
Number of
Institutional Sellers
(last 12 months)
37
Total
Institutional Outflows
(last 12 months)
$111.43M
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NAMS Institutional Buying and Selling by Quarter

NewAmsterdam Pharma Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/9/2025 Voya Investment Management LLC19,300$549K0.0%N/A0.017%
10/7/2025 Thurston Springer Miller Herd & Titak Inc.1,067$30K0.1%N/A0.001%
8/28/2025China Universal Asset Management Co. Ltd.22,549$408K0.0%+2.4%0.020%
8/15/2025Duquesne Family Office LLC832,175$15.07M0.4%+4.0%0.741%
8/15/2025Exome Asset Management LLC36,574$662K0.4%N/A0.033%
8/15/2025Frazier Life Sciences Management L.P.16,607,074$300.75M12.0%+3.0%14.792%
8/15/2025BNP Paribas Financial Markets29,277$530K0.0%+4.5%0.026%
8/15/2025Boothbay Fund Management LLC60,054$1.09M0.0%-53.4%0.053%
8/15/2025Bellevue Group AG20,555$372K0.0%-5.7%0.018%
8/15/2025Bank of America Corp DE484,004$8.77M0.0%-26.6%0.431%
8/15/2025Adage Capital Partners GP L.L.C.3,013,009$54.57M0.1%+54.5%2.684%
8/15/2025Ameriprise Financial Inc.208,081$3.77M0.0%+118.7%0.185%
8/14/2025California State Teachers Retirement System47,862$867K0.0%+146.7%0.043%
8/14/2025Maverick Capital Ltd.1,531,874$27.74M0.4%+178.8%1.364%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.31,383$568K0.0%+5.4%0.028%
8/14/2025Alliancebernstein L.P.2,331,583$42.23M0.0%+4.0%2.077%
8/14/2025The Manufacturers Life Insurance Company 10,868$197K0.0%+5.3%0.010%
8/14/2025HighVista Strategies LLC19,274$349K0.1%N/A0.017%
8/14/2025Stempoint Capital LP152,652$2.77M0.9%+46.0%0.136%
8/14/2025AXA S.A.242,916$4.40M0.0%+0.2%0.216%
8/13/2025Affinity Asset Advisors LLC275,000$4.98M0.7%-21.4%0.245%
8/13/2025First Trust Advisors LP131,430$2.38M0.0%+10.4%0.117%
8/13/2025Kennedy Capital Management LLC13,675$248K0.0%N/A0.012%
8/13/2025Saturn V Capital Management LP220,695$4.00M1.6%+89.7%0.197%
8/13/2025Invesco Ltd.134,035$2.43M0.0%+12.7%0.119%
8/13/2025Virtus Investment Advisers LLC4,471$81K0.0%-31.7%0.004%
8/12/2025American Century Companies Inc.532,916$9.65M0.0%+0.8%0.475%
8/12/2025Franklin Resources Inc.334,212$6.05M0.0%+30.6%0.298%
8/12/2025Legal & General Group Plc44,235$801K0.0%+33.5%0.039%
8/12/2025JPMorgan Chase & Co.1,458,897$26.42M0.0%+47.2%1.299%
8/12/2025Swiss National Bank83,900$1.52M0.0%+18.3%0.075%
8/12/2025Handelsbanken Fonder AB341,600$6.19M0.0%+31.4%0.304%
8/8/2025Letko Brosseau & Associates Inc.11,775$213K0.0%N/A0.010%
8/8/2025Geode Capital Management LLC99,457$1.80M0.0%+15.9%0.089%
8/8/2025TimesSquare Capital Management LLC872,537$15.80M0.2%-2.1%0.777%
8/5/2025Bank of New York Mellon Corp352,952$6.39M0.0%N/A0.314%
8/1/2025Jennison Associates LLC2,946,103$53.35M0.0%-25.8%2.624%
8/1/2025Teacher Retirement System of Texas11,700$212K0.0%N/A0.010%
7/24/2025Aberdeen Group plc735,032$13.31M0.0%+95.0%0.655%
7/23/2025KLP Kapitalforvaltning AS9,100$165K0.0%+51.7%0.008%
7/22/2025Knights of Columbus Asset Advisors LLC32,833$595K0.0%N/A0.029%
7/21/2025Mirae Asset Global Investments Co. Ltd.4,337$79K0.0%+18.0%0.004%
7/14/2025 Avanza Fonder AB7,505$136K0.0%+21.0%0.007%
7/14/2025Atle Fund Management AB157,223$2.85M1.2%+45.9%0.140%
7/8/2025PTM Wealth Management LLC12,900$256K0.2%N/A0.011%
5/19/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC288,134$5.90M0.0%+13.6%0.262%
5/16/2025Woodline Partners LP2,442,397$50.00M0.3%+0.5%2.224%
5/16/2025Fred Alger Management LLC27,421$561K0.0%-66.0%0.025%
5/16/2025Goldman Sachs Group Inc.619,563$12.68M0.0%-5.4%0.552%
5/16/2025Parkman Healthcare Partners LLC100,955$2.07M0.2%+32.6%0.092%
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.29,779$610K0.0%N/A0.027%
5/16/2025Duquesne Family Office LLC800,360$16.38M0.5%+178.4%0.729%
5/16/2025Cutter Capital Management LP221,152$4.53M2.0%-34.4%0.201%
5/16/2025Alliancebernstein L.P.2,241,953$45.89M0.0%+20.7%2.042%
5/16/2025BVF Inc. IL59,065$1.21M0.0%N/A0.054%
5/16/2025Adage Capital Partners GP L.L.C.1,950,650$39.93M0.1%+85.8%1.776%
5/15/2025RA Capital Management L.P.10,138,938$207.54M3.5%+14.6%9.232%
5/15/2025Frazier Life Sciences Management L.P.16,116,418$329.90M15.1%+1.3%14.676%
5/15/2025Maverick Capital Ltd.549,469$11.25M0.2%+57.0%0.500%
5/15/2025Caption Management LLC30,934$633K0.0%-341.3%0.028%
5/15/2025Quarry LP1,200$25K0.0%N/A0.001%
5/15/2025Siren L.L.C.1,912,030$39.14M2.3%-8.8%1.741%
5/15/2025Trexquant Investment LP66,102$1.35M0.0%N/A0.060%
5/15/2025OMERS ADMINISTRATION Corp37,700$772K0.0%+83.9%0.034%
5/14/2025Wellington Management Group LLP3,541,975$72.50M0.0%+53.0%3.225%
5/13/2025American Century Companies Inc.528,830$10.83M0.0%+52.6%0.482%
5/13/2025Aberdeen Group plc376,863$7.71M0.0%+110.5%0.343%
5/12/2025Invesco Ltd.118,934$2.44M0.0%-21.0%0.108%
5/12/2025Swiss National Bank70,900$1.45M0.0%-1.5%0.065%
5/9/2025CenterBook Partners LP222,264$4.55M0.3%+6.6%0.202%
5/9/2025Deutsche Bank AG72,397$1.48M0.0%+2,634.0%0.066%
5/9/2025DCF Advisers LLC172,500$3.53M1.7%+93.0%0.157%
5/7/2025Bryce Point Capital LLC19,653$438K0.3%N/A0.018%
5/7/2025Zurcher Kantonalbank Zurich Cantonalbank5,990$123K0.0%+130.4%0.005%
5/7/2025HB Wealth Management LLC11,247$230K0.0%+28.9%0.010%
5/6/2025Readystate Asset Management LP229,662$4.70M0.2%-11.8%0.209%
5/5/2025Atle Fund Management AB107,783$2.21M1.0%-22.4%0.098%
5/5/2025Jennison Associates LLC3,970,189$81.27M0.1%-0.7%3.615%
5/2/2025TimesSquare Capital Management LLC891,088$18.24M0.3%-0.5%0.811%
5/1/2025Arizona State Retirement System10,486$215K0.0%N/A0.010%
4/30/2025Alps Advisors Inc.77,961$1.60M0.0%+4.4%0.071%
4/30/2025China Universal Asset Management Co. Ltd.22,028$451K0.0%+12.5%0.020%
4/25/2025Lisanti Capital Growth LLC49,110$1.01M0.3%+26.9%0.045%
4/24/2025Mirae Asset Global Investments Co. Ltd.3,675$80K0.0%+19.4%0.003%
4/15/2025Handelsbanken Fonder AB260,000$5.32M0.0%+38.7%0.237%
4/15/2025Avanza Fonder AB6,205$127K0.0%N/A0.006%
3/24/2025Wellington Management Group LLP2,315,123$59.50M0.0%+2,410.4%2.108%
3/18/2025California State Teachers Retirement System19,404$499K0.0%+23.5%0.018%
2/19/2025GF Fund Management CO. LTD.1,940$50K0.0%N/A0.002%
2/18/2025Frazier Life Sciences Management L.P.15,916,418$409.05M17.0%+23.8%17.227%
2/17/2025UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC253,571$6.52M0.0%+6.0%0.274%
2/17/2025Voloridge Investment Management LLC28,041$721K0.0%N/A0.030%
2/17/2025Woodline Partners LP2,430,782$62.47M0.4%+108.7%2.631%
2/17/2025Two Sigma Advisers LP74,300$1.91M0.0%-23.8%0.080%
2/17/2025Two Sigma Investments LP89,589$2.30M0.0%-61.1%0.097%
2/17/2025Polar Capital Holdings Plc1,750,000$44.98M0.3%+16.3%1.894%
2/17/2025Parkman Healthcare Partners LLC76,116$1.96M0.3%-27.7%0.082%
2/17/2025OMERS ADMINISTRATION Corp20,500$527K0.0%N/A0.022%
2/17/2025Maven Securities LTD150,000$3.86M0.1%N/A0.162%
2/17/2025Millennium Management LLC494,230$12.70M0.0%+2,850.8%0.535%
(Data available from 1/1/2016 forward)

NAMS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of NAMS shares?

During the previous two years, 129 institutional investors and hedge funds held shares of NewAmsterdam Pharma. The most heavily invested institutionals were Frazier Life Sciences Management L.P. ($300.75M), Bain Capital Life Sciences Investors LLC ($275.48M), Fcpm Iii Services B.V. ($272.35M), RA Capital Management L.P. ($207.54M), Deerfield Management Company L.P. Series C ($110.88M), Wellington Management Group LLP ($72.50M), and Adage Capital Partners GP L.L.C. ($54.57M).Learn more on NewAmsterdam Pharma's institutional investors.

What percentage of NewAmsterdam Pharma's stock is owned by institutional investors?

89.89% of NewAmsterdam Pharma's stock is owned by institutional investors. Learn more on NAMS's institutional investor holdings.

Which institutional investors have been buying NewAmsterdam Pharma's stock?

Of the 114 institutional investors that purchased NewAmsterdam Pharma's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Fcpm Iii Services B.V. ($11.83M), Wellington Management Group LLP ($5.68M), Frazier Life Sciences Management L.P. ($4.38M), Jennison Associates LLC ($3.99M), Deerfield Management Company L.P. Series C ($3.61M), Alliancebernstein L.P. ($2.33M), and RA Capital Management L.P. ($2.07M).

How much institutional buying is happening at NewAmsterdam Pharma?

Institutional investors have bought a total of 38,570,743 shares in the last 24 months. This purchase volume represents approximately $908.00M in transactions.

Which of NewAmsterdam Pharma's major shareholders have been selling company stock?

Of the 37 institutional investors that sold NewAmsterdam Pharma's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Fcpm Iii Services B.V. ($1.23M), Jennison Associates LLC ($1.05M), GMT Capital Corp ($543.90K), Adage Capital Partners GP L.L.C. ($330K), Alyeska Investment Group L.P. ($193.45K), Siren L.L.C. ($183.61K), and Bank of America Corp DE ($175.30K).

How much institutional selling is happening at NewAmsterdam Pharma?

Institutional investors have sold a total of 4,859,942 shares in the last 24 months. This volume of shares sold represents approximately $111.43M in transactions.


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This page (NASDAQ:NAMS) was last updated on 10/18/2025 by MarketBeat.com Staff
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