Calamos Advisors’s Palantir PLTR Stock Holding History

Calamos Advisors’s Portfolio PLTR Stock Details PLTR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$569K	Buy	+3,200	New	+$489K	﹤0.01%	889

Other funds holding PLTR

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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.