Sigma Planning Corp’s Sutro Biopharma STRO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
– Sell
-45,020
Closed -$1.49M – 1439
2026
Q2
$1.49M Buy
45,020
+32,500
+260% +$1.01M 0.04% 456
2026
Q1
$312K Buy
+12,520
New +$226K 0.01% 1037

Other funds holding STRO

Sigma Planning Corp's STRO Position: Q3 2026 in Review

Sigma Planning Corp sold out of Sutro Biopharma (STRO) in Q3 2026, closing a stake of 45,020 shares — an estimated $1.49M sold.

Sigma Planning Corp first reported a position in STRO in Q1 2026 and held it in 2 quarters. The position peaked at $1.49M in Q2 2026. 21 funds tracked by Wall St. Rank hold STRO as of Q3 2026.

  • Sigma Planning Corp reported no remaining Sutro Biopharma position as of Q3 2026 after selling out during the quarter.
  • Sigma Planning Corp sold 45,020 Sutro Biopharma shares in Q3 2026, an estimated $1.49M.
  • Sigma Planning Corp first reported a position in Sutro Biopharma in Q1 2026 and held it in 2 quarters.
  • Sigma Planning Corp's Sutro Biopharma position peaked at $1.49M in Q2 2026.
  • 21 funds tracked by Wall St. Rank held Sutro Biopharma as of Q3 2026.

Based on Sigma Planning Corp's 13F filing for Q3 2026, filed 23 Oct 2026.