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NewAmsterdam Pharma Co N.V. hedge fund holdings

NAMSNASDAQ
$23.20-0.96 (-3.97%)as of Oct 2, 2026

Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.

Price vs funds buying and selling

NAMS · close · 13FReported Aug 14, 2026

Price vs funds buying and selling data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-24.4%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.

Price and fund activity data

Quarterly 13F fund buying and selling activity
QuarterFunds buyingFunds sellingBoughtSoldFilersReported
Q2 20256442$183M$75.6M122Aug 14, 2025
Q3 20254739$310M$184M125Nov 14, 2025
Q4 20257742$406M$542M176Feb 14, 2026
Q1 20266367$314M$188M165May 15, 2026
Q2 20269352$434M$555M180Aug 14, 2026

Quarterly action breakdown

Q2 2026
180 filers
New position
35
$116M+3.41M sh
Increased
58
$318M+9.4M sh
Reduced
38
-$514M-15.2M sh
Out / sold
14
-$41.1M-1.21M sh
Last 4 quarters · free
Reported Aug 14, 2026
FundActionChange in dollarValue% of portfolioReported
Wellington Management Group LLPReduce 95.72%-$166M$7.41M0.00%Aug 14, 2026
Bain Capital Life Sciences Investors, LLCReduce 47.90%-$119M$129M7.67%Aug 14, 2026
Orbis Allan Gray LtdNew Buy+$59.2M$59.2M0.20%Aug 14, 2026
Frazier Life Sciences Management, L.P.Added 6.76%+$38.8M$613M13.35%Aug 14, 2026
Capital World InvestorsAdded 10.10%+$38M$414M0.05%Aug 12, 2026
Polar Capital Holdings PlcReduce 39.10%-$37.5M$58.4M0.14%Aug 14, 2026
Maverick Capital LtdAdded 49.46%+$36.6M$111M0.98%Aug 14, 2026
FCPM III Services B.V.Reduce 7.70%-$24M$288M38.34%Aug 14, 2026
Westfield Capital Management Co LPReduce 30.25%-$22.6M$52.1M0.17%Aug 12, 2026
Jennison Associates LLCReduce 23.56%-$22M$71.2M0.04%Aug 3, 2026
Logos Global Management LPSell 100%-$19.2M$00.00%Aug 14, 2026
Adage Capital Partners GP, L.L.C.Reduce 50.30%-$18.9M$18.6M0.03%Aug 14, 2026
Medicxi Ventures Management (Jersey) LtdReduce 17.41%-$15.8M$74.9M42.19%Aug 4, 2026
Cormorant Asset Management, LPReduce 47.37%-$15.3M$16.9M0.87%Aug 14, 2026
Castle Hook Partners LPAdded 31.49%+$11.1M$46.5M0.21%Aug 14, 2026
Handelsbanken Fonder ABReduce 70.78%-$10M$4.15M0.01%Jul 10, 2026
Capital International InvestorsAdded 19.59%+$9.57M$58.4M0.01%Aug 12, 2026
Aberdeen Group plcAdded 31.75%+$9.01M$37.4M0.05%Jul 31, 2026
First Trust Advisors LPReduce 83.86%-$7.59M$1.46M0.00%Aug 11, 2026
BNP PARIBAS ASSET MANAGEMENT Holding S.A.Reduce 18.41%-$5.97M$26.5M0.03%Aug 13, 2026
Atle Fund Management ABAdded 162.51%+$5.22M$8.43M2.27%Jul 24, 2026
Decheng Capital LLCReduce 45.58%-$5.02M$5.99M0.82%Aug 14, 2026
Kornitzer Capital Management IncNew Buy+$4.74M$4.74M0.10%Jul 31, 2026
Jefferies Financial Group Inc.New Buy+$4.16M$4.16M0.03%Aug 17, 2026
Nicholas Investment Partners, LPSell 100%-$4.01M$00.00%Aug 14, 2026
Lord, Abbett & Co. LLCAdded 56.92%+$3.77M$10.4M0.03%Aug 14, 2026
Mizuho Markets Cayman LPAdded 188.24%+$3.33M$5.1M0.19%Jul 24, 2026
Catalio Capital Management, LPSell 100%-$2.67M$00.00%Aug 14, 2026
Fox Run Management, L.L.C.New Buy+$2.02M$2.02M0.33%Aug 4, 2026
Bellevue Group AGAdded 214.50%+$2.01M$2.95M0.06%Aug 14, 2026
ArrowMark Colorado Holdings LLCReduce 18.37%-$1.62M$7.18M0.30%Aug 13, 2026
Palo Alto Investors LPNew Buy+$1.5M$1.5M0.21%Aug 19, 2026
Fieldview Capital Management, LLCNew Buy+$1.42M$1.42M0.40%Aug 14, 2026
Ensign Peak Advisors, IncReduce 14.75%-$1.25M$7.2M0.01%Aug 14, 2026
Pavaki Capital Management LLCAdded 81.97%+$1.02M$2.26M0.79%Aug 7, 2026
Alps Advisors IncAdded 26.23%+$832K$4M0.02%Jul 29, 2026
Moody Aldrich Partners LLCReduce 21.19%-$825K$3.07M0.55%Jul 15, 2026
First Turn Management, LLCAdded 4.33%+$819K$19.7M2.11%Aug 14, 2026
Lifetime Wealth Management P.C.Sell 100%-$752K$00.00%Aug 17, 2026
CenterBook Partners LPSell 100%-$712K$00.00%Aug 11, 2026
DCF Advisers, LLCReduce 12.20%-$664K$4.78M0.84%Aug 10, 2026
DAFNA Capital Management LLCSell 100%-$640K$00.00%Aug 14, 2026
Gilder Gagnon Howe & Co LLCReduce 7.21%-$590K$7.59M0.08%Aug 14, 2026
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am MainAdded 34.86%+$555K$2.15M0.00%Aug 14, 2026
VANGUARD ASSET MANAGEMENT, LtdAdded 50.72%+$484K$1.44M0.00%Aug 13, 2026
Altfest L J & Co IncSell 100%-$446K$00.00%Jul 30, 2026
Kennedy Capital Management LLCAdded 3.15%+$437K$14.3M0.25%Aug 14, 2026
Eversept Partners, LPReduce 3.60%-$349K$9.34M0.48%Aug 14, 2026
Fred Alger Management, LLCReduce 16.75%-$308K$1.53M0.01%Aug 14, 2026
Peregrine Capital Management LLCReduce 5.05%-$305K$5.74M0.19%Jul 17, 2026
Bamco IncNew Buy+$305K$305K0.00%Aug 14, 2026
Mesirow Financial Investment Management, Inc.Reduce 51.62%-$270K$253K0.00%Jul 22, 2026
Knights of Columbus Asset Advisors LLCAdded 21.03%+$258K$1.48M0.07%Jul 31, 2026
Persistent Asset Partners LtdNew Buy+$247K$247K0.07%Aug 7, 2026
Wealth Management Associates, Inc.New Buy+$239K$239K0.07%Jul 21, 2026
Rock Springs Capital Management LPReduce 1.03%-$205K$19.7M0.96%Aug 14, 2026
Vanguard Investments Australia, Ltd.Added 57.32%+$195K$535K0.00%Aug 13, 2026
China Universal Asset Management Co., Ltd.Added 11.22%+$166K$1.65M0.10%Jul 24, 2026
State of New Jersey Common Pension Fund DAdded 26.76%+$140K$661K0.00%Aug 4, 2026
KLP Kapitalforvaltning AsAdded 38.38%+$129K$464K0.00%Aug 12, 2026
Virtus Investment Advisers, LLCAdded 47.06%+$117K$365K0.09%Aug 11, 2026
Swedbank ABAdded 3.17%+$108K$3.53M0.00%Jul 15, 2026
PSP Research LLCReduce 20.00%-$102K$407K0.22%Jul 9, 2026
Freestone Grove Partners LPSell 100%-$96K$00.00%Aug 14, 2026
Tidal Investments LLCReduce 11.42%-$86.9K$674K0.00%Aug 13, 2026
Letko, Brosseau & Associates IncReduce 19.53%-$77.9K$321K0.00%Aug 13, 2026
Pictet Asset Management Holding SAAdded 25.13%+$55.6K$277K0.00%Jul 30, 2026
DNB Asset Management ASReduce 6.81%-$49.8K$681K0.00%Aug 11, 2026
KBC Group NVAdded 112.04%+$44.4K$84K0.00%Aug 5, 2026
Bayforest Capital LtdNew Buy+$43.3K$43.3K0.04%Aug 5, 2026
HighVista Strategies LLCAdded 4.18%+$28.4K$708K0.16%Aug 14, 2026
Continuum Advisory, LLCNew Buy+$5.22K$5.22K0.00%Aug 6, 2026
Guggenheim Capital LLCReduce 0.90%-$1.97K$217K0.00%Aug 12, 2026
Quarry LPAdded 0.98%+$1.49K$154K0.01%Aug 14, 2026
Rachor Investment Advisory Services, LLCSell 100%-$897$00.00%Jul 16, 2026
Fiduciary Financial AdvisorsNew Buy+$441$4410.00%Aug 14, 2026

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