13FBOX
NEWAMSTERDAM PHARMA COMPANY · 13F Institutional Holdings
Options Calculator Rankings
September Rewards Event: invite 5 friends to register as members — no payment required — and get a 1-year PRO membership upgrade. So easy!
N

NEWAMSTERDAM PHARMA COMPANY

NAMS
Institutions
204
Combined AUM (Q2 2026)
$4.23B
Combined Shares (Q2 2026)
124.9M
Overall Trend
Increase
All institutions combined
Basis: holder count and combined value / shares merge all share classes of the same company (e.g. Class A / C); each institution is counted once, and value & shares are the sum across classes.
📥 Inflow (Q1 2026→Q2 2026)
+20.2M
124 institutions added · 51 new buys
Est. buy amount
📤 Outflow (Q1 2026→Q2 2026)
-19.8M
71 institutions reduced · 20 exits
Est. sell amount
⚖️ Net Share Change
+427,683
Net Buy
💰 Est. Net Value
≈ —
est. price
Latest AUM (Q2 2026)
$4.23B
Institutions
204
New Buys
51
Adds
73
Reduces
51
Exits
20
Unchanged
29
Ownership TrendPortfolio %Prev Q %RankQ2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
Frazier Life Sciences Management, L.P.
13.35%13.96%#3$613.0M18.1M$542.4M16.9M+1.1M+6.76%Add
Capital World Investors
0.05%0.05%#61$414.5M12.2M$355.6M11.1M+1.1M+10.10%Add
FMR LLC
0.02%0.01%#78$350.4M10.3M$280.6M8.8M+1.6M+17.95%Add
RA CAPITAL MANAGEMENT, L.P.
2.81%3.24%#6$323.7M9.6M$305.7M9.6M00.00%Unchanged
FCPM III SERVICES B.V.
38.34%40.77%#2$287.7M8.5M$294.5M9.2M-708,547-7.70%Reduce
DEERFIELD MANAGEMENT COMPANY, L.P.
1.51%1.61%#10$144.5M4.3M$136.5M4.3M00.00%Unchanged
VIKING GLOBAL INVESTORS LP
0.41%0.38%#24$142.5M4.2M$134.6M4.2M00.00%Unchanged
Bain Capital Life Sciences Investors, LLC
7.67%21.09%#4$129.0M3.8M$233.9M7.3M-3.5M-47.90%Reduce
MAVERICK CAPITAL LTD
0.98%0.81%#13$110.7M3.3M$70.0M2.2M+1.1M+49.46%Add
Duquesne Family Office LLC
2%2.91%#9$104.0M3.1M$98.3M3.1M00.00%Unchanged
Jupiter Topco LLC
0.04%#66$86.0M2.5M$00+2.5MNew Buy
Medicxi Ventures Management (Jersey) Ltd
42.19%8.72%#1$74.9M2.2M$85.6M2.7M-465,543-17.41%Reduce
JENNISON ASSOCIATES LLC
0.04%0.06%#63$71.2M2.1M$88.0M2.8M-648,117-23.56%Reduce
Orbis Allan Gray Ltd
0.2%#37$59.2M1.7M$00+1.7MNew Buy
Polar Capital Holdings Plc
0.14%0.32%#46$58.4M1.7M$90.6M2.8M-1.1M-39.10%Reduce
Capital International Investors
0.01%0.01%#85$58.4M1.7M$46.1M1.4M+282,364+19.59%Add
GOLDMAN SACHS GROUP INC
<0.01%0.01%#98$52.9M1.6M$62.3M1.9M-384,463-19.75%Reduce
WESTFIELD CAPITAL MANAGEMENT CO LP
0.17%0.3%#41$52.1M1.5M$70.5M2.2M-666,441-30.25%Reduce
SUSQUEHANNA INTERNATIONAL GROUP, LLP
<0.01%<0.01%#104$49.8M1.5M$14.9M465,425+1.0M+216.04%Add
Castle Hook Partners LP
0.21%0.67%#36$46.5M1.4M$33.4M1.0M+328,368+31.49%Add
AMERIPRISE FINANCIAL INC
0.01%0.01%#91$42.5M1.3M$24.1M753,054+500,495+66.46%Add
ALLIANCEBERNSTEIN L.P.
0.01%0.01%#80$40.3M1.3M$42.1M1.2M+60,615+5.05%Add
PRICE T ROWE ASSOCIATES INC /MD/
<0.01%#103$39.6M1.2M$00+1.2MNew Buy
JPMORGAN CHASE & CO
<0.01%<0.01%#120$38.4M1.1M$25.9M884,228+248,727+28.13%Add
Aberdeen Group plc
0.05%0.04%#59$37.4M1.1M$26.8M837,005+265,780+31.75%Add
BlackRock, Inc.
<0.01%<0.01%#155$36.1M1.1M$28.4M886,616+177,134+19.98%Add
FRANKLIN RESOURCES INC
0.01%0.01%#94$33.7M993,917$24.7M770,160+223,757+29.05%Add
TimesSquare Capital Management, LLC
0.4%0.41%#26$27.0M796,162$24.1M751,988+44,174+5.87%Add
BNP Paribas Asset Management Holding S.A.
0.03%#71$26.5M781,140$00+781,140New Buy
Woodline Partners LP
0.08%0.09%#50$25.5M752,489$24.1M752,308+181+0.02%Add
BANK OF AMERICA CORP /DE/
<0.01%<0.01%#130$24.9M735,483$27.1M847,089-111,606-13.18%Reduce
Jefferies Financial Group Inc.
0.16%#44$24.5M722,728$00+722,728New Buy
NWI MANAGEMENT LP
1.1%1.14%#12$23.8M702,000$24.6M702,00000.00%Unchanged
AMERICAN CENTURY COMPANIES INC
0.01%0.01%#89$23.2M684,813$16.6M519,455+165,358+31.83%Add
CITADEL ADVISORS LLC
<0.01%<0.01%#114$23.2M684,205$24.6M767,064-82,859-10.80%Reduce
Rock Springs Capital Management LP
0.96%1.11%#14$19.7M582,744$18.8M588,794-6,050-1.03%Reduce
First Turn Management, LLC
2.11%2%#8$19.7M582,497$17.9M558,336+24,161+4.33%Add
MORGAN STANLEY
<0.01%<0.01%#142$19.5M575,825$42.6M1.5M-921,654-61.55%Reduce
ADAGE CAPITAL PARTNERS GP, L.L.C.
0.03%0.05%#72$18.6M550,000$35.4M1.1M-556,631-50.30%Reduce
Artia Global Partners LP
3.15%3.23%#5$17.1M503,936$16.1M503,93600.00%Unchanged
MILLENNIUM MANAGEMENT LLC
0.01%<0.01%#95$17.0M501,614$9.7M303,848+197,766+65.09%Add
PERCEPTIVE ADVISORS LLC
0.25%#31$16.9M500,000$00+500,000New Buy
Cormorant Asset Management, LP
0.86%1.53%#16$16.9M500,000$30.4M950,000-450,000-47.37%Reduce
JANE STREET GROUP, LLC
<0.01%<0.01%#137$16.7M493,536$7.2M224,701+268,835+119.64%Add
KENNEDY CAPITAL MANAGEMENT LLC
0.25%0.28%#32$14.3M421,374$13.1M408,492+12,882+3.15%Add
Ikarian Capital, LLC
1.44%#11$13.6M400,000$00+400,000New Buy
Bank of New York Mellon Corp
<0.01%<0.01%#126$12.0M353,298$12.1M378,800-25,502-6.73%Reduce
HRT FINANCIAL LP
0.02%#73$11.9M349,843$00+349,843New Buy
UBS Group AG
<0.01%<0.01%#133$11.7M344,065$25.4M794,976-450,911-56.72%Reduce
Slate Path Capital LP
0.15%0.15%#45$10.8M319,000$10.2M319,00000.00%Unchanged

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow