13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
13FINSIGHT
13F Insight
FilersStocks13FActivistsInsider
Login
Filers›Family Office›Merck & Co., Inc.
DOSSIER · 13F-HR · Q1 2026

Merck & Co., Inc.

Merck &'s family office based in Chicago, IL — $349M in tracked AUM across 14 positions as of Q1 2026.

M&
Merck &·Chicago, IL·Family Office
CIK 0000310158 · last filed Mar 31, 2026
Total AUM
$349M
▼ 18.9%
vs prior
Holdings
14
—
positions
Whale Score
71
71
strong
Activity
—
no data
changes this Q
Top sector
Tech
4% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

Portfolio Overview

The filing for Merck & Co., Inc. (CIK: 0000310158) reveals a highly specialized, non-diversified investment portfolio with a distinct focus on the biotechnology sector. As of the reporting period ending September 30, 2025, the total portfolio value stood at approximately $171.31 million, spread across just 8 holdings. This represents a significant contraction in capital, with the portfolio value decreasing by 20.5% from the previous quarter's $215.60 million. ...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
MRNA
MODERNA INC
$117M2.3M33.6%
02
PSNL
PERSONALIS INC
$89M14.0M25.6%
03
KYMR
KYMERA THERAPEUTICS INC
$64M772K18.4%
04
29384C908
ENTRADA THERAPEUTICS INC
$22M1.7M6.3%
05
EIKN
EIKON THERAPEUTICS INC
$18M1.7M5.0%
06
AKTS
AKTIS ONCOLOGY INC
$17M953K4.9%
07
ALEC
ALECTOR INC
$8M3.5M2.2%
08
869367102
SUTRO BIOPHARMA INC
$7M272K1.9%
09
EVAXUSD
EVAXION BIOTECH A/S
$5M1.2M1.3%
10
VRDN
VIRIDIAN THERAPEUTICS INC
$2M93K0.5%

Filing history

Filing history loading…
AI Agent · grounded in Merck
haiku-4-5 · 14 positions indexed
Sector mix
  • Tech4%
  • Financials10%
  • Health Care8%
  • Cons. Disc.19%
  • Communications38%
  • Industrials15%
  • Other6%
FilersStocks13FActivistsInsiderResearchLearnNewsPricingTermsPrivacyContact

© 2026 13F Insight — Track smart money. Ask the AI Agent.

Listed on Turbo0Featured on Findly ToolsFeatured on toolfame.comFeatured on saasfame.comFeatured on Gets.ToolsZ-ImageFeatured On Micro SaaS ExamplesListed on MarketingDBFeatured on SaasDBFeatured on FazierBusiness Services - OnToplist.comFeatured on SubmitMySaasFeatured on ToolDirsFeatured on ToolfioFeatured on Twelve ToolsListed on uno directoryFeatured on Dang.aiFeatured on ToolPilotFeatured on Startup FameFeatured on PostmakeFeatured on Code.Market