NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS)

Historical Holders from Q4 2022 to Q4 2025

Type / Class
Equity / Ordinary Shares, nominal value Euro 0.12 per share
Symbol
NAMS on Nasdaq
Shares outstanding
114,390,553
Price per share
$35.09
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
120,390,578
Total reported value
$3,423,901,851
% of total 13F portfolios
0.01%
Share change
+3,984,687
Value change
+$122,883,175
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
134
Price from insider filings
$33.25
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RA CAPITAL MANAGEMENT, L.P. 9.9% 0% $167,274,450 +$2,837,586 11,063,125 +1.7% RA Capital Management, L.P. 31 Mar 2025
Capital World Investors 8.7% +15% $279,357,901 +$40,811,002 9,822,711 +17% Capital World Investors 30 Sep 2025
Forbion Capital Fund IV Cooperatief U.A. 8.3% -12% $223,140,090 -$30,222,313 9,316,914 -12% ForGrowth NAP B.V. 26 Sep 2025
Frazier Life Sciences X, L.P. 7.7% +17% $245,264,825 +$36,858,297 8,623,939 +18% Frazier Life Sciences Public Fund, L.P. 01 Nov 2025
VIKING GLOBAL INVESTORS LP 6.5% $105,515,434 6,978,534 VIKING GLOBAL INVESTORS LP 31 Dec 2024
BCLS II Investco, LP 4.7% -53% $214,462,841 -$241,180,844 5,376,356 -53% BCLS Fund III Investments, LP 02 Dec 2025
As of 30 Sep 2025, NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS) has 134 institutional shareholders filing 13F forms. They hold 120,390,578 shares. .

Top 25 institutional shareholders own 95% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
Frazier Life Sciences Management, L.P. 15% 16,701,956 +0.57% 14% $475,003,629
Bain Capital Life Sciences Investors, LLC 9.4% 10,719,110 0% 20% $304,851,488
RA CAPITAL MANAGEMENT, L.P. 8.9% 10,138,938 0% 3.6% $288,351,397
Capital World Investors 8.6% 9,822,711 +17% 0.04% $279,357,901
FCPM III SERVICES B.V. 8.1% 9,212,384 -13% 52% $262,000,201
VIKING GLOBAL INVESTORS LP 5.7% 6,475,534 -7.2% 0.48% $184,164,187
FMR LLC 4.8% 5,535,293 +191% 0.01% $157,423,733
DEERFIELD MANAGEMENT COMPANY, L.P. 3.7% 4,266,693 -17% 1.9% $121,344,749
JENNISON ASSOCIATES LLC 3.7% 4,198,554 +43% 0.07% $119,406,877
WELLINGTON MANAGEMENT GROUP LLP 3.5% 4,020,126 +21% 0.02% $114,332,383
Polar Capital Holdings Plc 2.5% 2,911,634 +16% 0.4% $82,806,871
Medicxi Ventures Management (Jersey) Ltd 2.5% 2,869,565 0% 11% $81,610,429
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.3% 2,576,631 -14% 0.12% $73,279,386
Cormorant Asset Management, LP 1.9% 2,175,000 0% 4.3% $61,857,000
ALLIANCEBERNSTEIN L.P. 1.9% 2,141,778 -8.1% 0.02% $60,912,166
JANUS HENDERSON GROUP PLC 1.9% 2,117,075 +7.9% 0.03% $60,146,101
Capital International Investors 1.8% 2,062,535 0% 0.01% $58,658,495
Duquesne Family Office LLC 1.7% 1,923,700 +131% 1.4% $54,710,000
MAVERICK CAPITAL LTD 1.3% 1,504,747 -1.8% 0.57% $42,795,005
MORGAN STANLEY 1.3% 1,497,479 +135% 0% $42,588,310
JPMORGAN CHASE & CO 1.1% 1,302,498 -11% 0% $37,043,043
Pictet Asset Management Holding SA 1.1% 1,292,150 -29% 0.04% $36,748,746
Woodline Partners LP 1% 1,157,867 -39% 0.16% $32,929,737
GOLDMAN SACHS GROUP INC 0.77% 880,552 -7.3% 0% $25,042,899
TimesSquare Capital Management, LLC 0.73% 837,368 -4% 0.34% $23,814,746

Institutional Holders of NewAmsterdam Pharma Co N.V. - Ordinary Shares, nominal value Euro 0.12 per share (NAMS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 13,374 $448,520 +$4,525 3,508.71% 4
2025 Q3 120,390,578 $3,423,901,851 +$122,883,175 2,844% 134
2025 Q2 116,368,291 $2,107,516,504 +$92,203,096 1,811% 130
2025 Q1 111,177,846 $2,278,669,708 +$247,823,358 2,047% 126
2024 Q4 98,611,632 $2,534,320,573 +$569,548,987 2,570% 130
2024 Q3 77,090,356 $1,279,730,929 +$65,897,506 1,660% 102
2024 Q2 72,012,804 $1,383,416,997 -$7,858,040 1,921% 90
2024 Q1 72,152,341 $1,706,357,479 +$238,965,320 2,365% 76
2023 Q4 61,897,680 $691,396,295 -$380,959 1,117% 32
2023 Q3 50,178,896 $464,099,871 +$5,440,465 925% 35
2023 Q2 48,833,993 $580,635,231 +$184,129,037 1,189% 29
2023 Q1 33,346,896 $444,858,187 +$689,121 1,326% 20
2022 Q4 33,516,836 $362,234,361 +$362,234,360 1,090% 14