Sienna Gestion’s Palantir PLTR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$820K Sell
7,006
-1,317
-16% -$180K 0.05% 125
2026
Q1
$1.15M Hold
8,323
0.08% 117
2025
Q4
$1.5M Buy
8,323
+3,573
+75% +$647K 0.09% 126
2025
Q3
$790K Hold
4,750
0.06% 124
2025
Q2
$591K Hold
4,750
0.04% 140
2025
Q1
$390K Buy
+4,750
New +$417K 0.03% 151

Other funds holding PLTR

Sienna Gestion's PLTR Position: Q2 2026 in Review

Sienna Gestion reduced its Palantir (PLTR) stake by 16% in Q2 2026, selling an estimated $180K and leaving 7,006 shares worth $820K. The position accounts for 0.05% of the portfolio, ranked #125.

Sienna Gestion first reported a position in PLTR in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.5M in Q4 2025. 2,845 funds tracked by Wall St. Rank hold PLTR as of Q2 2026.

  • Sienna Gestion held 7,006 shares of Palantir worth $820K as of Q2 2026.
  • Sienna Gestion sold 1,317 Palantir shares in Q2 2026, an estimated $180K.
  • Palantir made up 0.05% of Sienna Gestion's portfolio in Q2 2026, its #125 holding.
  • Sienna Gestion first reported a position in Palantir in Q1 2025 and has held it in 6 quarters since.
  • Sienna Gestion's Palantir position peaked at $1.5M in Q4 2025.
  • 2,845 funds tracked by Wall St. Rank held Palantir as of Q2 2026.

Based on Sienna Gestion's 13F filing for Q2 2026, filed 13 Aug 2026.