Mainstream Capital Management’s iShares Biotechnology ETF IBB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$205K Buy
+1,076
New +$185K 0.12% 89
2025
Q1
Sell
-1,132
Closed -$150K 176
2024
Q4
$150K Buy
+1,132
New +$159K 0.1% 96

Other funds holding IBB

Mainstream Capital Management's IBB Position: Q2 2026 in Review

Mainstream Capital Management opened a new position in iShares Biotechnology ETF (IBB) in Q2 2026: 1,076 shares worth $205K. The stake represents 0.12% of the portfolio and ranks #89 among its holdings. This is a return to the name: Mainstream Capital Management previously reported a position in IBB as recently as Q4 2024.

Mainstream Capital Management first reported a position in IBB in Q4 2024 and has held it in 2 quarters since. 185 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

  • Mainstream Capital Management held 1,076 shares of iShares Biotechnology ETF worth $205K as of Q2 2026.
  • iShares Biotechnology ETF was a new Mainstream Capital Management position in Q2 2026.
  • iShares Biotechnology ETF made up 0.12% of Mainstream Capital Management's portfolio in Q2 2026, its #89 holding.
  • Mainstream Capital Management first reported a position in iShares Biotechnology ETF in Q4 2024 and has held it in 2 quarters since.
  • 185 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on Mainstream Capital Management's 13F filing for Q2 2026, filed 15 Jul 2026.