Calamos Advisors’s Palantir PLTR Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$108M Buy
741,654
+132,135
+22% +$20.2M 0.38% 44
2025
Q4
$108M Sell
609,519
-80,750
-12% -$14.6M 0.41% 42
2025
Q3
$126M Buy
690,269
+28,131
+4% +$4.56M 0.47% 37
2025
Q2
$90.3M Buy
662,138
+29,367
+5% +$3.44M 0.36% 53
2025
Q1
$53.4M Buy
+632,771
New +$55.6M 0.23% 100

Other funds holding PLTR

Calamos Advisors's PLTR Position: Q1 2026 in Review

Calamos Advisors increased its Palantir (PLTR) stake by 22% in Q1 2026, buying an estimated $20.2M and bringing the position to 741,654 shares worth $108M. The position accounts for 0.38% of the portfolio, ranked #44.

Calamos Advisors first reported a position in PLTR in Q1 2025 and has held it in 5 quarters since. The position peaked at $126M in Q3 2025. 2,977 funds tracked by Wall St. Rank hold PLTR as of Q1 2026.

  • Calamos Advisors held 741,654 shares of Palantir worth $108M as of Q1 2026.
  • Calamos Advisors bought 132,135 Palantir shares in Q1 2026, an estimated $20.2M.
  • Palantir made up 0.38% of Calamos Advisors's portfolio in Q1 2026, its #44 holding.
  • Calamos Advisors first reported a position in Palantir in Q1 2025 and has held it in 5 quarters since.
  • Calamos Advisors's Palantir position peaked at $126M in Q3 2025.
  • 2,977 funds tracked by Wall St. Rank held Palantir as of Q1 2026.

Based on Calamos Advisors's 13F filing for Q1 2026, filed 4 May 2026.