NewAmsterdam Pharma Company

NAMS • NASDAQ

NewAmsterdam Pharma Company is a biotechnology company in the healthcare sector on NASDAQ, led by Michael Davidson, with a market cap of $4.2B. As of Q3 2025, 107% of shares are held by 134 institutional investors, with Frazier Life Sciences Management, L.P. as the largest holder at 14.83%.

Chief Executive OfficerMichael Davidson

Market Cap$4.2B

Biotechnology

Healthcare

Employees29.0

Websitenewamsterdampharma.com

Country

United States of America

Overview

Overview of institutional ownership in NAMS as of Q3 2025 with a market cap of $3.2B

All Institutions

Institutions: 134
Value Held: $3.4B
Shares Held: 120.4M
Avg Position: $25.5M
Median Position: $966.4K

Hedge Funds

Hedge Funds: 24
Value Held: $839.1M
Shares Held: 29.5M
Avg Position: $35.0M
Median Position: $6.8M

Ownership Breakdown

Institutional (non-HF)

80.54%

$2.6B

Hedge Funds

26.2%

$839.1M

Retail & Other

Based on market cap of $3.2B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in NAMS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
Frazier Life Sciences Management, L.P. Venture Capital	James Newman Topper Managing Partner	$475.0M 14.23% of portfolio	14.83% 16.7M shares	Q4 2022 Held for 2y 11m	$3.3B
B Bain Capital Life Sciences Investors, LLC Institution	-	$304.9M 20.26% of portfolio	9.52% 10.7M shares	Q4 2022 Held for 2y 11m	$1.5B
RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	Michael Saulnier CFO	$288.4M 3.58% of portfolio	9.00% 10.1M shares	Q4 2022 Held for 2y 11m	$8.1B
C Capital World Investors Institution	-	$279.4M 0.04% of portfolio	8.72% 9.8M shares	Q4 2024 Held for 11 months	$730.00B
FCPM III SERVICES B.V. Real Assets	Andrew David Lindner Managing Partner	$262.0M 52.36% of portfolio	8.18% 9.2M shares	Q4 2023 Held for 1y 11m	$500.4M
VIKING GLOBAL INVESTORS LP Hedge Fund•Long/Short	Ole Andreas Halvorsen CEO	$184.2M 0.48% of portfolio	5.75% 6.5M shares	Q4 2022 Held for 2y 11m	$38.5B
FMR LLC Institution	-	$157.4M 0.01% of portfolio	4.91% 5.5M shares	Q1 2024 Held for 1y 8m	$1.92T
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	James Edward Flynn President	$121.3M 2.01% of portfolio	3.79% 4.3M shares	Q1 2024 Held for 1y 8m	$6.0B
JENNISON ASSOCIATES LLC Long Only Manager	Jeffrey Todd Becker CEO	$119.4M 0.07% of portfolio	3.73% 4.2M shares	Q1 2024 Held for 1y 8m	$171.73B
WELLINGTON MANAGEMENT CO LLP Long Only Manager	Jean Marie Hynes CEO	$114.3M 0.02% of portfolio	3.57% 4.0M shares	Q1 2024 Held for 1y 8m	$571.21B

Net Capital Flow

Institutional buying and selling activity for NAMS in Q3 2025

Traded: +$122.9M
Buyers: 68
Sellers: 55
Total Bought: +$318.7M
Total Sold: −$195.8M
Avg Position: $22.8M

Biggest Buyers

Institution	Net Bought	Current Position
FMR LLC Institution	+$103.3M +3.6M shares	$157.4M 5.5M shares
C Capital World Investors Institution	+$40.8M +1.4M shares	$279.4M 9.8M shares
JENNISON ASSOCIATES LLC Long Only Manager	+$35.6M +1.3M shares	$119.4M 4.2M shares
D Duquesne Family Office LLC Institution	+$31.0M +1.1M shares	$54.7M 1.9M shares
MORGAN STANLEY RIA/Wealth	+$24.5M +859.8K shares	$42.6M 1.5M shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	+$19.8M +697.1K shares	$114.3M 4.0M shares
Polar Capital Holdings Plc Long Only Manager	+$11.2M +393.9K shares	$82.8M 2.9M shares
F First Turn Management, LLC Hedge Fund•Long/Short	+$5.6M +195.9K shares	$20.4M 717.0K shares
A Artia Global Partners LP Hedge Fund•Long/Short	+$4.8M +167.5K shares	$5.5M 194.8K shares
HENDERSON GROUP PLC Institution	+$4.4M +155.0K shares	$60.1M 2.1M shares

Biggest Sellers

Institution	Net Sold	Current Position
FCPM III SERVICES B.V. Real Assets	−$40.4M −1.4M shares	$262.0M 9.2M shares
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	−$24.2M −849.3K shares	$121.3M 4.3M shares
Woodline Partners LP Hedge Fund•Long/Short	−$21.0M −739.3K shares	$32.9M 1.2M shares
Pictet Asset Management Holding SA Long Only Manager	−$14.9M −524.6K shares	$36.7M 1.3M shares
VIKING GLOBAL INVESTORS LP Hedge Fund•Long/Short	−$14.3M −503.0K shares	$184.2M 6.5M shares
A ADAGE CAPITAL PARTNERS GP LLC Institution	−$12.4M −436.4K shares	$73.3M 2.6M shares
S Siren, L.L.C. Institution	−$12.2M −428.5K shares	$21.8M 765.7K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$5.8M −320.8K shares	Sold Off 0 shares
R READYSTATE ASSET MANAGEMENT LP Hedge Fund•Multi-Strategy	−$5.6M −196.8K shares	$977.0K 34.4K shares
ALLIANCEBERNSTEIN L.P. Long Only Manager	−$5.4M −189.8K shares	$60.9M 2.1M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited NAMS in Q3 2025

New Positions: 14
New Value: $7.0M
Exited Positions: 16
Exited Value: $16.8M

New Positions

Institution	Position Value
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	$3.9M 138.3K shares
N NEW YORK STATE COMMON RETIREMENT FUND Institution	$758.8K 26.7K shares
ING INVESTMENT MANAGEMENT LLC Insurance Manager	$548.9K 19.3K shares
T TD ASSET MANAGEMENT INC Institution	$511.9K 18.0K shares
BANK OF MONTREAL /CAN/ Institution	$352.3K 12.4K shares
LEUCADIA NATIONAL CORP Institution	$341.3K 12.0K shares
M Mesirow Financial Investment Management, Inc. RIA/Wealth	$233.6K 8.2K shares
M MARSHALL FINANCIAL GROUP INC /ADV Institution	$213.3K 7.5K shares
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. Private Equity	$30.3K 1.1K shares
MATHER GROUP, INC. RIA/Wealth	$28.4K 1.0K shares

Exited Positions

Institution	Previous Position
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	$5.8M 320.8K shares
A AXA Institution	$4.4M 242.9K shares
FIRST TRUST ADVISORS LP ETF Provider	$2.4M 131.4K shares
A ALPS ADVISORS INC ETF Provider	$1.1M 60.6K shares
Exome Asset Management LLC Hedge Fund•Sector	$662.4K 36.6K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	$514.2K 28.4K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$495.2K 27.3K shares
H HRT FINANCIAL LLC Institution	$474.6K 26.2K shares
ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant	$328.5K 18.1K shares
SPRINGBOK CAPITAL MANAGEMENT, LLC Fund of Funds	$243.0K 13.4K shares

Options Activity

Institutions with the largest Call and Put options positions in NAMS as of Q3 2025

Call Positions: 4
Call Value: $2.5M
Put Positions: 6
Put Value: $68.7M

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.3M 444.0 contracts
Rock Springs Capital Management LP Hedge Fund•Sector	$898.7K 316.0 contracts
Caption Management, LLC Hedge Fund•Long/Short	$315.7K 111.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	- - contracts

Put Positions

Institution	Position Value
Caption Management, LLC Hedge Fund•Long/Short	$33.3M 11.7K contracts
Integral Health Asset Management, LLC Hedge Fund•Sector	$28.4M 10.0K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$3.9M 1.4K contracts
J JANE STREET GROUP, LLC Institution	$2.1M 724.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$972.6K 342.0 contracts
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	- - contracts

Most Committed Institutions

Institutions with NAMS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
FCPM III SERVICES B.V. Real Assets	Andrew David Lindner Managing Partner	52.36% $262.0M	8.18% 9.2M shares	Q4 2023 Held for 1y 11m	$500.4M
B Bain Capital Life Sciences Investors, LLC Institution	-	20.26% $304.9M	9.52% 10.7M shares	Q4 2022 Held for 2y 11m	$1.5B
Frazier Life Sciences Management, L.P. Venture Capital	James Newman Topper Managing Partner	14.23% $475.0M	14.83% 16.7M shares	Q4 2022 Held for 2y 11m	$3.3B
M Medicxi Ventures Management Ltd Institution	-	10.96% $81.6M	2.55% 2.9M shares	Q4 2022 Held for 2y 11m	$744.4M
C Cormorant Asset Management, LLC Hedge Fund•Long/Short	Bihua Chen CEO	4.82% $61.9M	1.93% 2.2M shares	Q1 2024 Held for 1y 8m	$1.3B
RA CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	Michael Saulnier CFO	3.58% $288.4M	9.00% 10.1M shares	Q4 2022 Held for 2y 11m	$8.1B
Decheng Capital LLC Venture Capital	Xiangmin Nmn Cui Managing Partner	3.26% $18.7M	0.58% 657.1K shares	Q2 2024 Held for 1y 5m	$573.2M
F First Turn Management, LLC Hedge Fund•Long/Short	Lisa Gable Wheatley Managing Partner	3.06% $20.4M	0.64% 717.0K shares	Q2 2025 Held for 5 months	$666.0M
D DCF Advisers, LLC Institution	-	2.35% $5.0M	0.16% 175.3K shares	Q3 2024 Held for 1y 2m	$212.2M
H HealthInvest Partners AB Institution	-	2.29% $584.6K	0.17% 193.6K shares	Q1 2024 Held for 1y 8m	$25.6M

Hedge Fund Spotlight

Discover hedge funds investing in NAMS

READYSTATE ASSET MANAGEMENT LP

Hedge Fund • Multi-Strategy

Portfolio ManagerDavid Barnett Grossman

Portfolio Value: $1.0B
Positions: 259
Last Reported: Q3 2025

Sector Allocation

Position in NewAmsterdam Pharma Company

Market Value: $977.0K
Shares Held: 34.4K
Portfolio Weight: 0.10%
Owned Since: 2024-Q3

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