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NewAmsterdam Pharma (NAMS) Institutional Ownership

NewAmsterdam Pharma logo
$31.92 +0.21 (+0.66%)
As of 12:10 PM Eastern

Institutional Ownership Changes (13F Filings) for NewAmsterdam Pharma (NASDAQ:NAMS)

Current
Institutional Ownership
Percentage
89.89%
Number of
Institutional Buyers
(last 12 months)
116
Total
Institutional Inflows
(last 12 months)
$548.24M
Number of
Institutional Sellers
(last 12 months)
53
Total
Institutional Outflows
(last 12 months)
$605.45M
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NAMS Institutional Buying and Selling by Quarter

NewAmsterdam Pharma Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/26/2026 Glenmede Trust Co. NA18,575$595K0.0%-16.4%0.016%
5/19/2026 Bank of America Corp DE847,089$27.12M0.0%+84.4%0.725%
5/19/2026 Stempoint Capital LP180,658$5.78M1.1%+147.1%0.155%
5/19/2026 Janus Henderson Group PLC2,258,984$72.25M0.0%-3.5%1.932%
5/18/2026 California State Teachers Retirement System54,329$1.74M0.0%+34.9%0.046%
5/18/2026 Royal Bank of Canada11,314$362K0.0%-53.0%0.010%
5/18/2026 Eversept Partners LP285,764$9.15M0.5%-32.1%0.244%
5/16/2026 The Manufacturers Life Insurance Company 11,302$362K0.0%-50.2%0.010%
5/16/2026 Maverick Capital Ltd.2,186,402$69.99M0.8%+15.4%1.902%
5/14/2026 Sei Investments Co.55,637$1.78M0.0%+35.6%0.048%
5/14/2026 Walleye Capital LLC58,434$1.87M0.0%-39.3%0.051%
5/13/2026 Mizuho Markets Cayman LP52,227$1.67M0.1%+9.1%0.045%
5/13/2026 Decheng Capital LLC325,057$10.41M1.6%-45.1%0.283%
5/13/2026 First Trust Advisors LP267,105$8.55M0.0%-4.5%0.232%
5/8/2026 PNC Financial Services Group Inc.9,119$292K0.0%+147.7%0.008%
5/7/2026 AlphaCentric Advisors LLC14,656$469K0.5%+6.7%0.013%
5/7/2026 KBC Group NV1,171$37K0.0%N/A0.001%
5/7/2026 SEB Asset Management AB272,654$8.73M0.0%N/A0.237%
5/6/2026 Jennison Associates LLC2,750,403$88.04M0.1%-21.2%2.392%
5/5/2026 Bank of New York Mellon Corp378,800$12.13M0.0%-3.3%0.329%
4/29/2026 Swedbank AB100,900$3.23M0.0%+11.0%0.088%
4/25/2026 Keybank National Association OH12,480$399K0.0%-4.7%0.011%
4/24/2026 Peregrine Capital Management LLC178,493$5.71M0.2%N/A0.155%
4/22/2026 Pictet Asset Management Holding SA6,533$209K0.0%-99.1%0.006%
4/22/2026 Medicxi Ventures Management Jersey Ltd2,674,182$85.60M8.7%-6.8%2.326%
4/17/2026 AdvisorNet Financial Inc2,565$82K0.0%N/A0.002%
2/26/2026 Seven Fleet Capital Management LP4,000$140K0.1%N/A0.004%
2/19/2026 Invesco Ltd.5,961$209K0.0%-94.3%0.005%
2/18/2026 Empowered Funds LLC2,428$85K0.0%N/A0.002%
2/18/2026 XTX Topco Ltd137,492$4.82M0.1%+1,714.1%0.121%
2/18/2026 Ikarian Capital LLC45,830$1.61M0.1%-57.1%0.040%
2/18/2026 Virtus Investment Advisers LLC7,142$251K0.1%+32.0%0.006%
2/18/2026 Twinbeech Capital LP27,400$961K0.1%N/A0.024%
2/18/2026 Millennium Management LLC254,596$8.93M0.0%N/A0.225%
2/18/2026 Ishara Investments LP30,000$1.05M1.2%N/A0.026%
2/18/2026 Janus Henderson Group PLC2,341,723$82.30M0.0%+10.6%2.065%
2/18/2026 Eversept Partners LP420,827$14.76M0.7%-13.9%0.371%
2/18/2026 Castle Hook Partners LP1,085,008$38.06M0.2%N/A0.957%
2/18/2026 Cormorant Asset Management LP1,000,000$35.08M1.6%-54.0%0.882%
2/18/2026 Artia Global Partners LP503,936$17.68M2.4%+158.6%0.444%
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2/18/2026 Boothbay Fund Management LLC33,919$1.19M0.0%-16.7%0.030%
2/17/2026 Guggenheim Capital LLC6,388$224K0.0%N/A0.006%
2/17/2026 Logos Global Management LP450,000$15.79M1.0%N/A0.397%
2/17/2026 Viking Global Investors LP4,203,567$147.46M0.4%-35.1%3.707%
2/17/2026 ADAR1 Capital Management LLC118,623$4.16M0.3%+3.7%0.105%
2/17/2026 Jain Global LLC47,584$1.67M0.0%N/A0.042%
2/17/2026 RA Capital Management L.P.9,550,191$335.02M3.4%-5.8%8.422%
2/17/2026 Bain Capital Life Sciences Investors LLC7,306,566$256.31M19.6%-31.8%6.444%
2/17/2026 ArrowMark Colorado Holdings LLC298,077$10.46M0.2%-4.2%0.263%
2/17/2026 Price T Rowe Associates Inc. MD116,258$4.08M0.0%-16.0%0.103%
2/17/2026 Adage Capital Partners GP L.L.C.1,406,631$49.35M0.1%-45.4%1.241%
2/17/2026 California State Teachers Retirement System40,276$1.41M0.0%-15.8%0.036%
2/17/2026 Russell Investments Group Ltd.71,282$2.50M0.0%N/A0.063%
2/17/2026 Fcpm Iii Services B.V.9,198,900$322.70M42.8%-0.1%8.113%
2/17/2026 State of Wisconsin Investment Board19,997$701K0.0%N/A0.018%
2/17/2026 Fred Alger Management LLC47,535$1.67M0.0%+15.2%0.042%
2/17/2026 Royal Bank of Canada24,084$846K0.0%-9.1%0.021%
2/17/2026 Persistent Asset Partners Ltd3,948$138K0.1%N/A0.003%
2/17/2026 Polar Capital Holdings Plc2,776,222$97.39M0.4%-4.7%2.448%
2/16/2026 Squarepoint Ops LLC30,819$1.08M0.0%+47.0%0.027%
2/16/2026 Verition Fund Management LLC32,391$1.14M0.0%+134.2%0.029%
2/16/2026 PEAK6 LLC20,749$728K0.0%N/A0.018%
2/16/2026 Nicholas Investment Partners LP213,419$7.49M0.5%+20.2%0.188%
2/16/2026 First Turn Management LLC893,473$31.34M3.6%+24.6%0.788%
2/16/2026 Frazier Life Sciences Management L.P.16,943,774$594.39M16.0%+1.4%14.943%
2/16/2026 Kennedy Capital Management LLC172,931$6.07M0.1%+17.9%0.153%
2/13/2026 Maverick Capital Ltd.1,894,226$66.45M0.7%+25.9%1.671%
2/13/2026 Walleye Capital LLC96,261$3.38M0.0%N/A0.085%
2/13/2026 Quarry LP3,000$105K0.0%-56.4%0.003%
2/13/2026 First Trust Advisors LP279,701$9.81M0.0%N/A0.247%
2/13/2026 State Street Corp68,523$2.40M0.0%+7.4%0.060%
2/13/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC265,199$9.30M0.0%N/A0.234%
2/13/2026 Wells Fargo & Company MN900$32K0.0%+50.0%0.001%
2/13/2026 Lord Abbett & CO. LLC200,638$7.04M0.0%N/A0.177%
2/12/2026 Orion Porfolio Solutions LLC6,545$230K0.0%N/A0.006%
2/12/2026 Decheng Capital LLC592,057$20.77M2.8%-9.9%0.522%
2/12/2026 Ensign Peak Advisors Inc549,511$19.28M0.0%N/A0.485%
2/12/2026 AlphaCentric Advisors LLC13,731$482K0.5%N/A0.012%
2/12/2026CIBC Private Wealth Group LLC7,240$254K0.0%-5.2%0.006%
2/12/2026 Alps Advisors Inc.92,902$3.26M0.0%N/A0.082%
2/12/2026 Swiss National Bank88,900$3.12M0.0%+2.1%0.078%
2/12/2026 Polen Capital Management LLC11,239$394K0.0%N/A0.010%
2/11/2026 Empowered Funds LLC2,428$85K0.0%N/A0.002%
2/11/2026 DCF Advisers LLC160,600$5.63M1.5%-8.4%0.142%
2/11/2026 Deutsche Bank AG123,963$4.35M0.0%+81.2%0.109%
2/11/2026 Fox Run Management L.L.C.9,798$344K0.1%N/A0.009%
2/11/2026 Franklin Resources Inc.769,120$26.98M0.0%+89.5%0.678%
2/11/2026 CenterBook Partners LP12,060$423K0.0%-82.9%0.011%
2/11/2026 JPMorgan Chase & Co.999,976$35.08M0.0%-23.2%0.882%
2/11/2026 Capital World Investors9,984,000$350.24M0.0%+1.6%8.805%
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2/11/2026 WINTON GROUP Ltd28,665$1.01M0.0%N/A0.025%
2/10/2026 TD Asset Management Inc13,180$462K0.0%-26.8%0.012%
2/10/2026 Goldman Sachs Group Inc.1,725,662$60.54M0.0%+96.0%1.522%
2/10/2026 JTC Employer Solutions Trustee Ltd75,500$2.65M0.2%N/A0.067%
2/10/2026 SBI Okasan Asset Management Co.Ltd.14,900$522K0.0%N/A0.013%
2/9/2026 Geode Capital Management LLC102,395$3.59M0.0%+0.4%0.090%
2/9/2026 Knights of Columbus Asset Advisors LLC32,483$1.14M0.1%-3.4%0.029%
2/9/2026 Swedbank AB90,900$3.19M0.0%N/A0.080%
2/9/2026 Lisanti Capital Growth LLC179,410$6.29M1.5%+278.1%0.158%
2/6/2026 Legato Capital Management LLC83,833$2.94M0.3%+258.7%0.074%


NAMS Institutional Ownership - Frequently Asked Questions

During the previous two years, 188 institutional investors and hedge funds held shares of NewAmsterdam Pharma. The most heavily invested institutionals were Frazier Life Sciences Management L.P. ($594.39M), Capital World Investors ($350.24M), RA Capital Management L.P. ($335.02M), Fcpm Iii Services B.V. ($322.70M), Bain Capital Life Sciences Investors LLC ($256.31M), Viking Global Investors LP ($147.46M), and Deerfield Management Company L.P. ($121.35M).Learn more on NewAmsterdam Pharma's institutional investors.

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

Of the 165 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: Wellington Management Group LLP ($6.38M), Frazier Life Sciences Management L.P. ($4.62M), Jennison Associates LLC ($4.31M), Deerfield Management Company L.P. Series C ($3.61M), Capital World Investors ($2.61M), Alliancebernstein L.P. ($2.33M), and RA Capital Management L.P. ($2.07M).

Institutional investors have bought a total of 19,006,700 shares in the last 24 months. This purchase volume represents approximately $548.24M in transactions.

Of the 53 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: Bain Capital Life Sciences Investors LLC ($3.41M), Viking Global Investors LP ($2.77M), Jennison Associates LLC ($2.47M), Fcpm Iii Services B.V. ($1.43M), Pictet Asset Management Holding SA ($1.29M), Cormorant Asset Management LP ($1.18M), and Adage Capital Partners GP L.L.C. ($1.17M).

Institutional investors have sold a total of 18,986,651 shares in the last 24 months. This volume of shares sold represents approximately $605.45M in transactions.



This page (NASDAQ:NAMS) was last updated on 6/3/2026 by MarketBeat.com Staff.
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