XT
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XTX Topco’s BioMarin Pharmaceuticals BMRN Stock Holding History

XTX Topco’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
Q2 		$1.09M Sell
19,045
-74,564
-80% -$4.08M 0.01% 1707
2026
Q1 		$5.29M Buy
93,609
+83,775
+852% +$4.88M 0.09% 260
2025
Q4 		$584K Sell
9,834
-10,433
-51% -$568K 0.02% 1464
2025
Q3 		$1.1M Buy
+20,267
New +$1.16M 0.06% 520
2025
Q1 		– Sell
-18,010
Closed -$1.18M – 2440
2024
Q4 		$1.18M Buy
18,010
+11,112
+161% +$744K 0.1% 213
2024
Q3 		$485K Buy
6,898
+1,880
+37% +$157K 0.04% 841
2024
Q2 		$413K Sell
5,018
-6,121
-55% -$510K 0.04% 753
2024
Q1 		$973K Buy
11,139
+9,029
+428% +$808K 0.13% 170
2023
Q4 		$203K Sell
2,110
-7,631
-78% -$675K 0.04% 950
2023
Q3 		$862K Sell
9,741
-6,339
-39% -$564K 0.15% 146
2023
Q2 		$1.39M Buy
+16,080
New +$1.51M 0.25% 41
2023
Q1 		– Sell
-3,484
Closed -$361K – 1284
2022
Q4 		$361K Buy
+3,484
New +$327K 0.08% 464
2022
Q3 		– Sell
-4,038
Closed -$335K – 1109
2022
Q2 		$335K Sell
4,038
-3,756
-48% -$299K 0.14% 233
2022
Q1 		$601K Buy
7,794
+4,771
+158% +$399K 0.26% 105
2021
Q4 		$267K Buy
+3,023
New +$249K 0.15% 243
2021
Q2 		– Sell
-6,947
Closed -$525K – 823
2021
Q1 		$525K Buy
+6,947
New +$567K 0.26% 84

Other funds holding BMRN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dodge & Cox
Dodge & Cox San Francisco, California $191B AUM 17.5% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Norges Bank
Norges Bank Oslo, Norway $1T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

XTX Topco's BMRN Position: Q2 2026 in Review

XTX Topco reduced its BioMarin Pharmaceuticals (BMRN) stake by 80% in Q2 2026, selling an estimated $4.08M and leaving 19,045 shares worth $1.09M. The position accounts for 0.01% of the portfolio, ranked #1707.

XTX Topco first reported a position in BMRN in Q1 2021 and has held it in 16 quarters since. The position peaked at $5.29M in Q1 2026. 564 funds tracked by Wall St. Rank hold BMRN as of Q2 2026.

  • XTX Topco held 19,045 shares of BioMarin Pharmaceuticals worth $1.09M as of Q2 2026.
  • XTX Topco sold 74,564 BioMarin Pharmaceuticals shares in Q2 2026, an estimated $4.08M.
  • BioMarin Pharmaceuticals made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1707 holding.
  • XTX Topco first reported a position in BioMarin Pharmaceuticals in Q1 2021 and has held it in 16 quarters since.
  • XTX Topco's BioMarin Pharmaceuticals position peaked at $5.29M in Q1 2026.
  • 564 funds tracked by Wall St. Rank held BioMarin Pharmaceuticals as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.