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MainStreet Investment Advisors’s Palantir PLTR Stock Holding History

MainStreet Investment 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 		$641K Buy
4,384
+1,733
+65% +$265K 0.1% 115
2025
Q4 		$471K Buy
+2,651
New +$480K 0.07% 125

Other funds holding PLTR

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Geode Capital Management
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
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

MainStreet Investment Advisors's PLTR Position: Q1 2026 in Review

MainStreet Investment Advisors increased its Palantir (PLTR) stake by 65% in Q1 2026, buying an estimated $265K and bringing the position to 4,384 shares worth $641K. The position accounts for 0.1% of the portfolio, ranked #115.

MainStreet Investment Advisors first reported a position in PLTR in Q4 2025 and has held it in 2 quarters since. 2,977 funds tracked by Wall St. Rank hold PLTR as of Q1 2026.

  • MainStreet Investment Advisors held 4,384 shares of Palantir worth $641K as of Q1 2026.
  • MainStreet Investment Advisors bought 1,733 Palantir shares in Q1 2026, an estimated $265K.
  • Palantir made up 0.1% of MainStreet Investment Advisors's portfolio in Q1 2026, its #115 holding.
  • MainStreet Investment Advisors first reported a position in Palantir in Q4 2025 and has held it in 2 quarters since.
  • 2,977 funds tracked by Wall St. Rank held Palantir as of Q1 2026.

Based on MainStreet Investment Advisors's 13F filing for Q1 2026, filed 11 May 2026.