William Blair & Company
MRP

William Blair & Company’s Millrose Properties Inc MRP Stock Holding History

William Blair & Company’s Portfolio MRP Stock Details MRP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$491K Buy
17,536
+3,520
+25% +$106K ﹤0.01% 1164
2025
Q4 		$419K Buy
14,016
+308
+2% +$9.66K ﹤0.01% 1200
2025
Q3 		$461K Buy
13,708
+294
+2% +$9.5K ﹤0.01% 1143
2025
Q2 		$382K Buy
13,414
+170
+1% +$4.49K ﹤0.01% 1175
2025
Q1 		$351K Buy
+13,244
New +$310K ﹤0.01% 1194

Other funds holding MRP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
BWA
Brave Warrior Advisors New York $4.04B AUM 1.15% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Manulife (Manufacturers Life Insurance)
Manulife (Manufacturers Life Insurance) Canada, Ontario, Canada $116B AUM 26.37% 1-Year Est. Return
PIP
Permian Investment Partners Dallas, Texas $905M AUM 13.43% 1-Year Est. Return
CS
Cannell & Spears New York $5.1B AUM 31.77% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

William Blair & Company's MRP Position: Q1 2026 in Review

William Blair & Company increased its Millrose Properties Inc (MRP) stake by 25% in Q1 2026, buying an estimated $106K and bringing the position to 17,536 shares worth $491K. The position accounts for ﹤0.01% of the portfolio, ranked #1164.

William Blair & Company first reported a position in MRP in Q1 2025 and has held it in 5 quarters since. 482 funds tracked by Wall St. Rank hold MRP as of Q1 2026.

  • William Blair & Company held 17,536 shares of Millrose Properties Inc worth $491K as of Q1 2026.
  • William Blair & Company bought 3,520 Millrose Properties Inc shares in Q1 2026, an estimated $106K.
  • Millrose Properties Inc made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1164 holding.
  • William Blair & Company first reported a position in Millrose Properties Inc in Q1 2025 and has held it in 5 quarters since.
  • 482 funds tracked by Wall St. Rank held Millrose Properties Inc as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.