Mattern Capital Management’s iShares Russell 1000 Growth ETF IWF Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$1.55M Sell
12,501
-51
-0.4% -$6.15K 0.18% 100
2026
Q1
$1.34M Buy
12,552
+540
+4% +$61.3K 0.16% 104
2025
Q4
$1.42M Sell
12,012
-628
-5% -$74.4K 0.17% 103
2025
Q3
$1.48M Hold
12,640
0.17% 98
2025
Q2
$1.34M Buy
12,640
+2,700
+27% +$258K 0.16% 94
2025
Q1
$897K Sell
9,940
-6,292
-39% -$621K 0.11% 102
2024
Q4
$1.63M Sell
16,232
-1,080
-6% -$106K 0.21% 84
2024
Q3
$1.62M Hold
17,312
0.2% 84
2024
Q2
$1.58M Hold
17,312
0.22% 83
2024
Q1
$1.46M Hold
17,312
0.2% 84
2023
Q4
$1.31M Hold
17,312
0.19% 86
2023
Q3
$1.15M Buy
+17,312
New +$1.2M 0.19% 88

Other funds holding IWF

Mattern Capital Management's IWF Position: Q2 2026 in Review

Mattern Capital Management reduced its iShares Russell 1000 Growth ETF (IWF) stake by 0.41% in Q2 2026, selling an estimated $6.15K and leaving 12,501 shares worth $1.55M. The position accounts for 0.18% of the portfolio, ranked #100.

Mattern Capital Management first reported a position in IWF in Q3 2023 and has held it in 12 quarters since. The position peaked at $1.63M in Q4 2024. 2,503 funds tracked by Wall St. Rank hold IWF as of Q2 2026.

  • Mattern Capital Management held 12,501 shares of iShares Russell 1000 Growth ETF worth $1.55M as of Q2 2026.
  • Mattern Capital Management sold 51 iShares Russell 1000 Growth ETF shares in Q2 2026, an estimated $6.15K.
  • iShares Russell 1000 Growth ETF made up 0.18% of Mattern Capital Management's portfolio in Q2 2026, its #100 holding.
  • Mattern Capital Management first reported a position in iShares Russell 1000 Growth ETF in Q3 2023 and has held it in 12 quarters since.
  • Mattern Capital Management's iShares Russell 1000 Growth ETF position peaked at $1.63M in Q4 2024.
  • 2,503 funds tracked by Wall St. Rank held iShares Russell 1000 Growth ETF as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.