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Rossby Financial’s BioMarin Pharmaceuticals BMRN Stock Holding History

Rossby Financial’s Portfolio BMRN Stock Details BMRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$7.33K Buy
128
+82
+178% +$4.78K ﹤0.01% 1365
2025
Q4 		$2.73K Buy
46
+23
+100% +$1.25K ﹤0.01% 1280
2025
Q3 		$1.26K Buy
+23
New +$1.31K ﹤0.01% 1240

Other funds holding BMRN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $182B AUM 14.68% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Rossby Financial's BMRN Position: Q1 2026 in Review

Rossby Financial increased its BioMarin Pharmaceuticals (BMRN) stake by 178% in Q1 2026, buying an estimated $4.78K and bringing the position to 128 shares worth $7.33K. The position accounts for ﹤0.01% of the portfolio, ranked #1365.

Rossby Financial first reported a position in BMRN in Q3 2025 and has held it in 3 quarters since. 554 funds tracked by Wall St. Rank hold BMRN as of Q1 2026.

  • Rossby Financial held 128 shares of BioMarin Pharmaceuticals worth $7.33K as of Q1 2026.
  • Rossby Financial bought 82 BioMarin Pharmaceuticals shares in Q1 2026, an estimated $4.78K.
  • BioMarin Pharmaceuticals made up ﹤0.01% of Rossby Financial's portfolio in Q1 2026, its #1365 holding.
  • Rossby Financial first reported a position in BioMarin Pharmaceuticals in Q3 2025 and has held it in 3 quarters since.
  • 554 funds tracked by Wall St. Rank held BioMarin Pharmaceuticals as of Q1 2026.

Based on Rossby Financial's 13F filing for Q1 2026, filed 11 May 2026.