Galapagos

GLPG • NASDAQ

Galapagos is a publicly traded company on NASDAQ. As of Q3 2025, 86 institutional investors hold shares in this company, with total holdings valued at $1.0B. GILEAD SCIENCES, INC. is the largest holder with a position valued at $578.7M.

Employees646.0

Websiteglpg.com

Overview

Overview of institutional ownership in GLPG as of Q3 2025

All Institutions

Institutions: 86
Value Held: $1.0B
Shares Held: 30.2M
Avg Position: $12.2M
Median Position: $487.8K

Hedge Funds

Hedge Funds: 16
Value Held: $204.0M
Shares Held: 5.9M
Avg Position: $12.8M
Median Position: $3.8M

Biggest Investors

Institutions with the largest positions in GLPG as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
GILEAD SCIENCES, INC. Institution	Daniel O'Day CEO	$578.7M 32.31% of portfolio	0.00% 16.7M shares	Q4 2024 Held for 11 months	$1.8B
T TANG CAPITAL MANAGEMENT LLC Institution	-	$143.8M 5.66% of portfolio	0.00% 4.2M shares	Q1 2025 Held for 8 months	$2.5B
Madison Avenue Partners, LP Hedge Fund•Value	Eli Jackson Samaha Managing Partner	$76.1M 3.99% of portfolio	0.00% 2.2M shares	Q2 2025 Held for 5 months	$1.9B
EcoR1 Capital, LLC Hedge Fund•Sector	Scott Eric Perlen CFO	$57.7M 2.77% of portfolio	0.00% 1.7M shares	Q4 2022 Held for 2y 11m	$2.1B
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$49.1M 0.01% of portfolio	0.00% 1.4M shares	Q1 2023 Held for 2y 8m	$433.11B
SEGALL BRYANT & HAMILL Long Only Manager	Carolyn B Goldhaber President	$16.9M 0.22% of portfolio	0.00% 487.2K shares	Q2 2023 Held for 2y 5m	$7.5B
D DME Capital Management, LP Hedge Fund•Long/Short	David Michael Einhorn President	$16.7M 0.66% of portfolio	0.00% 482.7K shares	Q1 2024 Held for 1y 8m	$2.5B
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	Steven Alan Cohen CEO	$15.4M 0.04% of portfolio	0.00% 443.9K shares	Q2 2025 Held for 5 months	$43.2B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$12.3M 0.02% of portfolio	0.00% 356.2K shares	Q2 2024 Held for 1y 5m	$75.8B
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	Sander Ross Gerber CEO	$8.5M 0.06% of portfolio	0.00% 245.0K shares	Q4 2022 Held for 2y 11m	$14.7B

Net Capital Flow

Institutional buying and selling activity for GLPG in Q3 2025

Traded: +$76.4M
Buyers: 48
Sellers: 34
Total Bought: +$107.6M
Total Sold: −$31.2M
Avg Position: $10.9M

Biggest Buyers

Institution	Net Bought	Current Position
AMERIPRISE FINANCIAL INC Institution	+$47.2M +1.4M shares	$49.1M 1.4M shares
EcoR1 Capital, LLC Hedge Fund•Sector	+$21.8M +630.2K shares	$57.7M 1.7M shares
Madison Avenue Partners, LP Hedge Fund•Value	+$11.0M +318.8K shares	$76.1M 2.2M shares
T TANG CAPITAL MANAGEMENT LLC Institution	+$5.6M +161.1K shares	$143.8M 4.2M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	+$3.5M +102.4K shares	$15.4M 443.9K shares
C Cubist Systematic Strategies, LLC Institution	+$3.2M +92.2K shares	$3.6M 104.5K shares
FMR LLC Institution	+$1.9M +-1.5M shares	$1.9M 54.0K shares
D D. E. Shaw & Co., Inc. Institution	+$1.7M +48.0K shares	$7.0M 201.2K shares
M MATAURO, LLC RIA/Wealth	+$1.6M +47.5K shares	$1.6M 47.5K shares
BARCLAYS PLC Institution	+$1.4M +-1.2K shares	$1.4M 39.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	−$9.4M −270.0K shares	$8.5M 245.0K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	−$3.8M −108.5K shares	$12.3M 356.2K shares
PRIMECAP MANAGEMENT CO/CA/ Long Only Manager	−$3.2M −92.8K shares	$1.7M 50.5K shares
UBS Group AG Institution	−$3.0M −85.5K shares	$5.3M 153.0K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	−$2.7M −94.9K shares	Sold Off 0 shares
O Optiver Holding B.V. Institution	−$2.2M −78.9K shares	Sold Off 0 shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$1.3M −37.8K shares	$5.3M 152.9K shares
X XTX Topco Ltd Institution	−$961.1K −27.7K shares	$417.7K 12.1K shares
J JANE STREET GROUP, LLC Institution	−$752.6K −21.7K shares	$313.5K 9.0K shares
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	−$612.0K −21.9K shares	Sold Off 0 shares

Entry and Exit Activity

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

New Positions: 9
New Value: $6.1M
Exited Positions: 10
Exited Value: $7.2M

New Positions

Institution	Position Value
M MATAURO, LLC RIA/Wealth	$1.6M 47.5K shares
BARCLAYS PLC Institution	$1.4M 39.0K shares
M Man Group plc Institution	$1.3M 36.2K shares
Q Quadrature Capital Ltd Institution	$909.1K 26.2K shares
N NATIONAL BANK OF CANADA /FI/ Institution	$493.5K 14.3K shares
C CLS Investments, LLC Institution	$251.5K 7.3K shares
A Ascent Group, LLC Institution	$218.7K 6.3K shares
Crewe Advisors LLC RIA/Wealth	$1.6K 46.0 shares
MONTAG A & ASSOCIATES INC RIA/Wealth	$208.0 6.0 shares

Exited Positions

Institution	Previous Position
Centiva Capital, LP Hedge Fund•Multi-Strategy	$2.7M 94.9K shares
O Optiver Holding B.V. Institution	$2.2M 78.9K shares
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	$612.0K 21.9K shares
Engineers Gate Manager LP Hedge Fund•Quant	$559.5K 20.0K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$425.0K 15.2K shares
Graham Capital Management, L.P. Hedge Fund•Multi-Strategy	$239.0K 8.5K shares
W WHITE BAY PT LLC Institution	$230.5K 8.2K shares
H Headlands Technologies LLC Institution	$223.2K 8.0K shares
Caitong International Asset Management Co., Ltd RIA/Wealth	$2.5K 90.0 shares
S Skopos Labs, Inc. RIA/Wealth	$1.9K 74.0 shares

Options Activity

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

Call Positions: 7
Call Value: $2.1M
Put Positions: 5
Put Value: $1.4M

Call Positions

Institution	Position Value
CITIGROUP INC Institution	$1.0M 300.0 contracts
Caption Management, LLC Hedge Fund•Long/Short	$689.3K 199.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$405.3K 117.0 contracts
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	- - contracts
J JANE STREET GROUP, LLC Institution	- - contracts
L LMR Partners LLP Institution	- - contracts
T TORNO CAPITAL, LLC Institution	- - contracts

Put Positions

Institution	Position Value
CITIGROUP INC Institution	$1.0M 300.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$332.5K 96.0 contracts
Centiva Capital, LP Hedge Fund•Multi-Strategy	- - contracts
Caption Management, LLC Hedge Fund•Long/Short	- - contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	- - contracts

Most Committed Institutions

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

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
GILEAD SCIENCES, INC. Institution	Daniel O'Day CEO	32.31% $578.7M	0.00% 16.7M shares	Q4 2024 Held for 11 months	$1.8B
T TANG CAPITAL MANAGEMENT LLC Institution	-	5.66% $143.8M	0.00% 4.2M shares	Q1 2025 Held for 8 months	$2.5B
Madison Avenue Partners, LP Hedge Fund•Value	Eli Jackson Samaha Managing Partner	3.99% $76.1M	0.00% 2.2M shares	Q2 2025 Held for 5 months	$1.9B
EcoR1 Capital, LLC Hedge Fund•Sector	Scott Eric Perlen CFO	2.77% $57.7M	0.00% 1.7M shares	Q4 2022 Held for 2y 11m	$2.1B
D DAFNA Capital Management LLC Hedge Fund•Event Driven	Nathan Fischel CEO	1.13% $4.5M	0.00% 130.2K shares	Q4 2022 Held for 2y 11m	$397.7M
D DME Capital Management, LP Hedge Fund•Long/Short	David Michael Einhorn President	0.66% $16.7M	0.00% 482.7K shares	Q1 2024 Held for 1y 8m	$2.5B
Monaco Asset Management SAM RIA/Wealth	Kirstin Lynn Hark Director	0.45% $1.2M	0.00% 33.5K shares	Q4 2022 Held for 2y 11m	$256.5M
M MATAURO, LLC RIA/Wealth	Matthew Evan Klein Founder	0.26% $1.6M	0.00% 47.5K shares	Q3 2025 Held for 2 months	$629.4M
SEGALL BRYANT & HAMILL Long Only Manager	Carolyn B Goldhaber President	0.22% $16.9M	0.00% 487.2K shares	Q2 2023 Held for 2y 5m	$7.5B
BAROMETER CAPITAL MANAGEMENT INC. Long Only Manager	David Charles Burrows CEO	0.22% $956.7K	0.00% 27.6K shares	Q4 2023 Held for 1y 11m	$436.6M

Hedge Fund Spotlight

Discover hedge funds investing in GLPG

Squarepoint Ops LLC

Hedge Fund • Quant

Portfolio ManagerMichael Gottlieb

Portfolio Value: $46.9B
Positions: 2,529
Last Reported: Q3 2025

Sector Allocation

Position in Galapagos

Market Value: $211.3K
Shares Held: 6.1K
Portfolio Weight: 0.00%
Owned Since: 2025-Q1

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