Cliff Asness’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
$2.36M Buy
12,417
+4,162
+50% +$715K ﹤0.01% 2520
2026
Q1
$1.39M Buy
8,255
+240
+3% +$41K ﹤0.01% 2591
2025
Q4
$1.35M Buy
8,015
+2,853
+55% +$463K ﹤0.01% 2376
2025
Q3
$745K Sell
5,162
-201
-4% -$27.4K ﹤0.01% 2600
2025
Q2
$678K Buy
5,363
+1,806
+51% +$222K ﹤0.01% 2438
2025
Q1
$455K Buy
+3,557
New +$482K ﹤0.01% 2479
2023
Q3
Sell
-15,183
Closed -$1.93M 2340
2023
Q2
$1.93M Buy
+15,183
New +$1.97M ﹤0.01% 1271

Other funds holding IBB

Cliff Asness's IBB Position: Q2 2026 in Review

Cliff Asness increased its iShares Biotechnology ETF (IBB) stake by 50% in Q2 2026, buying an estimated $715K and bringing the position to 12,417 shares worth $2.36M. The position accounts for ﹤0.01% of the portfolio, ranked #2520.

Cliff Asness first reported a position in IBB in Q2 2023 and has held it in 7 quarters since. 954 funds tracked by Wall St. Rank hold IBB as of Q2 2026.

  • Cliff Asness held 12,417 shares of iShares Biotechnology ETF worth $2.36M as of Q2 2026.
  • Cliff Asness bought 4,162 iShares Biotechnology ETF shares in Q2 2026, an estimated $715K.
  • iShares Biotechnology ETF made up ﹤0.01% of Cliff Asness's portfolio in Q2 2026, its #2520 holding.
  • Cliff Asness first reported a position in iShares Biotechnology ETF in Q2 2023 and has held it in 7 quarters since.
  • 954 funds tracked by Wall St. Rank held iShares Biotechnology ETF as of Q2 2026.

Based on AQR Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.