William Blair & Company
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William Blair & Company’s Unusual Machines UMAC Stock Holding History

William Blair & Company’s Portfolio UMAC Stock Details UMAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$345K Sell
15,450
-2,000
-11% -$37K ﹤0.01% 1359
2026
Q1 		$216K Buy
17,450
+2,750
+19% +$41.9K ﹤0.01% 1453
2025
Q4 		$187K Buy
+14,700
New +$172K ﹤0.01% 1479

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William Blair & Company's UMAC Position: Q2 2026 in Review

William Blair & Company reduced its Unusual Machines (UMAC) stake by 11% in Q2 2026, selling an estimated $37K and leaving 15,450 shares worth $345K. The position accounts for ﹤0.01% of the portfolio, ranked #1359.

William Blair & Company first reported a position in UMAC in Q4 2025 and has held it in 3 quarters since. 182 funds tracked by Wall St. Rank hold UMAC as of Q2 2026.

  • William Blair & Company held 15,450 shares of Unusual Machines worth $345K as of Q2 2026.
  • William Blair & Company sold 2,000 Unusual Machines shares in Q2 2026, an estimated $37K.
  • Unusual Machines made up ﹤0.01% of William Blair & Company's portfolio in Q2 2026, its #1359 holding.
  • William Blair & Company first reported a position in Unusual Machines in Q4 2025 and has held it in 3 quarters since.
  • 182 funds tracked by Wall St. Rank held Unusual Machines as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.