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Featured 13F manager

Merck & Co., Inc.

Rahway, NJ 4 processed 13Fs on this site · 2025 Q3–2026 Q2

  • $526M
  • 13 Positions
  • 2026 Q2
  • +50.7% QoQ
  • Top 5 93.3%

Merck & Co., Inc. files a Form 13F. The latest book is 2026 Q2 at $526M, up 50.7% QoQ, led by Personalis, Moderna, and Kymera Therapeutics.

Portfolio

2026 Q2 · filed 8/7/2026 · 13 long · top 12 shown

top 5 93.3% · top 10 99.8%

AUM over time

2026 Q2 $526M +50.7% QoQ
2025 Q3 · $228M 2025 Q3 · $228M
Q3 2025
2025 Q4 · $276M · +21.1% QoQ 2025 Q4 · $276M · +21.1% QoQ
Q4
2026 Q1 · $349M · +26.4% QoQ 2026 Q1 · $349M · +26.4% QoQ
Q1 2026
2026 Q2 · $526M · +50.7% QoQ 2026 Q2 · $526M · +50.7% QoQ
Q2

Book

2025 Q3 · filed 12 Nov · long equity

PSNL - Personalis 40.16% Hold 14,044,943 $6.52 $92M
MRNA - Moderna 26.15% Hold 2,308,190 $25.83 $60M
KYMR - Kymera Therapeutics 19.17% Hold 772,165 $56.60 $44M
ALEC - Alector 4.60% Hold 3,545,719 $2.96 $10M
TRDA - Entrada Therapeutics 4.43% Hold 1,739,768 $5.80 $10M
Evaxion Biotech A/S 2.00% Hold 1,214,126 $3.76 $5M
Sutro Biopharma 1.04% Hold 2,723,509 $0.8684 $2M
Viridian Therapeutics 0.88% Hold 93,414 $21.58 $2M
Lava Therapeutics 0.79% Hold 1,149,345 $1.56 $2M
Xilio Therapeutics 0.55% Hold 1,483,758 $0.8427 $1M
Carisma Therapeutics 0.18% Hold 1,473,240 $0.2740 $404K
Neuphoria Therapeutics 0.05% Hold 10,027 $11.79 $118K
Tuhura Biosciences 0.02% Hold 13,950 $2.48 $35K

* Reported price is value ÷ shares from the 13F as of period end — not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Click column headers to sort · click New / Hold / Add / Reduce to promote that move type to the top.

Filings history

4 periods · normalized AUM · open a period for holdings

Period Holdings AUM QoQ Form Filed Filing ID
2026 Q2 13 $526M +50.7% 13F-HR 8/7/2026 000031015826000210
2026 Q1 14 $349M +26.4% 13F-HR 5/13/2026 000031015826000141
2025 Q4 12 $276M +21.1% 13F-HR 2/17/2026 000031015826000055
2025 Q3 13 $228M 13F-HR 11/12/2025 000031015825000063

About

Merck & Co., Inc.

4 processed 13Fs on this site · 2025 Q3–2026 Q2

SEC filing name
Merck & Co., Inc.
Location
Rahway, NJ
All SEC filings
View on sec.gov