Skip to content
berrytrail

Search

Search managers or tickers

INSM

Insmed, Inc. · XNAS

Now
3 holders · 0 updated for Q3 · 3 on earlier filings (Q3 due Nov 14)
Holders
3 now · 0 on Q3 2026
Median weight
2.07%
Sector
Health Care
Type
equity · US

Moves

No moves yet in Q3 · 0 of its 3 holders have filed · due Nov 14

Streakslongest holders · 47 quarters on record

  1. Duquesne Stanley Druckenmiller, portfolio manager 3.5%9 quarters
  2. Baron Ron Baron, CEO 0.0%8 quarters
  3. Maverick Ben Silver, CIO 2.1%new

The record for INSM begins Q1 2015: 47 quarters.

Over timeNow 3 holders · 26 complete quarters, Q1 2015 to Q2 2026

Managers holding3 Q2 2026

Largest weight3.5% Q2 2026

Holders3 now · 0 on Q3 2026

DuquesneQ2 2026Q3 due Nov 14Stanley Druckenmiller, portfolio manager3.49%1,424,690$152Madded+23%−2.94 pp9 q
MaverickQ2 2026Q3 due Nov 14Ben Silver, CIO2.07%2,150,762$229Mnew—new
BaronQ2 2026Q3 due Nov 14Ron Baron, CEO0.00%10,000$1Mtrimmed−50%−0.01 pp8 q