OBGC
AMRZ

O'Brien Greene & Co’s Amrize Ltd AMRZ Stock Holding History

O'Brien Greene & Co’s Portfolio AMRZ Stock Details AMRZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$768K Buy
13,711
+3,130
+30% +$179K 0.22% 65
2025
Q4 		$572K Buy
+10,581
New +$540K 0.17% 80

Other funds holding AMRZ

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
DZ Bank
DZ Bank Frankfurt Am Main, Germany $113B AUM 36.92% 1-Year Est. Return
Harris Associates
Harris Associates Chicago, Illinois $75B AUM 11.27% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Zurich Cantonal Bank
Zurich Cantonal Bank Zurich, Switzerland $46B AUM 27.59% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $94.8B AUM 24.11% 1-Year Est. Return

O'Brien Greene & Co's AMRZ Position: Q1 2026 in Review

O'Brien Greene & Co increased its Amrize Ltd (AMRZ) stake by 30% in Q1 2026, buying an estimated $179K and bringing the position to 13,711 shares worth $768K. The position accounts for 0.22% of the portfolio, ranked #65.

O'Brien Greene & Co first reported a position in AMRZ in Q4 2025 and has held it in 2 quarters since. 447 funds tracked by Wall St. Rank hold AMRZ as of Q1 2026.

  • O'Brien Greene & Co held 13,711 shares of Amrize Ltd worth $768K as of Q1 2026.
  • O'Brien Greene & Co bought 3,130 Amrize Ltd shares in Q1 2026, an estimated $179K.
  • Amrize Ltd made up 0.22% of O'Brien Greene & Co's portfolio in Q1 2026, its #65 holding.
  • O'Brien Greene & Co first reported a position in Amrize Ltd in Q4 2025 and has held it in 2 quarters since.
  • 447 funds tracked by Wall St. Rank held Amrize Ltd as of Q1 2026.

Based on O'Brien Greene & Co's 13F filing for Q1 2026, filed 6 May 2026.