The IWM ETF added 113,807 Disc Medicine shares worth $8.5 million on October 23, 2026, making the drug developer its largest purchase by value among reported US-listed stock holdings changes.

Key Takeaways

  • Disc Medicine represented 0.08% of the fund after the purchase.
  • Jackson Financial was the second-largest addition at $1.4 million.
  • The reported stock purchases do not establish investor inflows into the ETF.

IWM ETF increases existing positions

The iShares Russell 2000 Index Fund, which trades as IWM, increased 1,882 positions and decreased one in the reported session. Its five largest purchases all added to existing holdings.

The fund reduced its Cass Information Systems position by 2,946 shares, valued at $0.2 million. No positions were fully exited.

ItemDetails
Disc Medicine113,807 shares added; $8.5 million
Jackson Financial Class A10,828 shares added; $1.4 million
JFrog4,080 shares added; $0.4 million
Glaukos2,152 shares added; $0.4 million
BrightSpring Health Services6,288 shares added; $0.4 million
Cass Information Systems2,946 shares reduced; $0.2 million

Net buying and fund assets

The reported holdings changes totaled $112.6 million in gross trades and $112.3 million in net buying. Those figures describe changes in the fund’s stock holdings, not subscriptions or redemptions by ETF investors.

The fund had $74.60 billion in assets and an expense ratio of 0.19%. Its 10 largest holdings accounted for 3.3% of assets.

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