TANG CAPITAL MANAGEMENT LLC GLPG — GALAPAGOS NV

Ownership history in TANG CAPITAL MANAGEMENT LLC  ·  15 quarters on record

AI Ownership Summary

TANG CAPITAL MANAGEMENT LLC reported GALAPAGOS NV (GLPG) in 15 quarterly 13F filings from 2024 Q2 through 2026 Q1. Peak portfolio weight reached 6.33% in 2025 Q4. The latest visible filing shows GLPG at 5.77% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this GLPG ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was TANG CAPITAL MANAGEMENT LLC's position in GALAPAGOS NV, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

GLPG was reported at 5.77% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
6.33% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q2 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

GLPG stock page TANG CAPITAL MANAGEMENT LLC fund profile TANG CAPITAL MANAGEMENT LLC full holdings
How TANG CAPITAL MANAGEMENT LLC held GLPG — position size vs. price
% of Fund (quarterly)    GLPG price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 3,785,991 -135,228 -3.4% 5.77% $113.6M 2026-05-15 $27.03
2025 Q4 REDUCED 5.5% -8.3% ✅ 3,921,219 -229,975 -5.5% 6.33% $128.2M 2026-02-17 $33.93
2025 Q3 ADDED — — — 4,151,194 +161,083 +4.0% 5.54% $143.8M 2025-11-14 $31.29
2025 Q2 ADDED — — — 3,990,111 +28,314 +0.7% 5.65% $111.7M 2025-08-14 $31.79
2025 Q1 ADDED — — — 3,961,797 +1,800,597 +83.3% 5.51% $99.5M 2025-05-15 $26.86
2024 Q4 ADDED — — — 2,161,200 +1,461,200 +208.7% 3.93% $59.4M 2025-02-14 $25.44
2024 Q3 ADDED — — — 700,000 +644,391 +1158.8% 1.44% $20.2M 2024-11-14 $27.90
2024 Q2 REDUCED 38.0% +16.2% ❌ 55,609 -34,041 -38.0% 0.14% $1.4M 2024-08-14 $24.20
7 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding GLPG

As of 2026 Q1 — sorted by position size

GILEAD SCIENCES, INC. 23.67% Prosight Management, LP 3Y 7Y 7.63% Madison Avenue Partners, LP 3Y 3.22% EcoR1 Capital, LLC 3Y 7Y 2.12% DAFNA Capital Management LLC 3Y 7Y 0.89% DME Capital Management, LP 0.45% BAROMETER CAPITAL MANAGEMENT INC. 3Y 7Y 0.39% SEGALL BRYANT & HAMILL, LLC 3Y 7Y 0.23% Monaco Asset Management SAM 3Y 0.15% denkapparat Operations GmbH 0.13%

FAQ About TANG CAPITAL MANAGEMENT LLC and GLPG

These are the practical questions this page is built to answer before you even open the full history table.

How long has TANG CAPITAL MANAGEMENT LLC reported owning GLPG?

TANG CAPITAL MANAGEMENT LLC reported GLPG across 8 quarterly 13F filings, from 2024 Q2 through 2026 Q1.

What was the largest reported GLPG position in TANG CAPITAL MANAGEMENT LLC's portfolio?

The largest reported portfolio weight for GLPG was 6.33% in 2025 Q4.

What is the latest reported GLPG position on this page?

The most recent filing on this page is 2026 Q1, when TANG CAPITAL MANAGEMENT LLC reported 3,785,991 shares, equal to 5.77% of portfolio, with an estimated market value of $113.6M.

What does the chart on this GLPG ownership page compare?

The chart compares TANG CAPITAL MANAGEMENT LLC's quarterly GLPG portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did TANG CAPITAL MANAGEMENT LLC time their GLPG position?

Based on 13F filing dates vs. subsequent GLPG price moves, TANG CAPITAL MANAGEMENT LLC correctly timed 6 out of 11 reported position changes (55%). The annualised alpha on GLPG relative to SPY over the holding period was -22.1%.

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