Citadel Advisors’s BioMarin Pharmaceuticals BMRN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$255M Buy
4,512,634
+3,147,943
+231% +$184M 0.04% 355
2025
Q4
$81.1M Buy
1,364,691
+966,844
+243% +$52.6M 0.01% 1008
2025
Q3
$21.5M Buy
397,847
+62,827
+19% +$3.59M ﹤0.01% 2238
2025
Q2
$18.4M Sell
335,020
-1,260,038
-79% -$74.2M ﹤0.01% 2242
2025
Q1
$113M Buy
1,595,058
+1,207,445
+312% +$81.2M 0.02% 627
2024
Q4
$25.5M Sell
387,613
-816,784
-68% -$54.7M ﹤0.01% 1905
2024
Q3
$84.7M Buy
1,204,397
+646,545
+116% +$54M 0.02% 808
2024
Q2
$45.9M Sell
557,852
-1,417,706
-72% -$118M 0.01% 1215
2024
Q1
$173M Buy
1,975,558
+1,620,613
+457% +$145M 0.03% 429
2023
Q4
$34.2M Buy
354,945
+213,413
+151% +$18.9M 0.01% 1494
2023
Q3
$12.5M Sell
141,532
-340,807
-71% -$30.3M ﹤0.01% 2402
2023
Q2
$41.8M Buy
482,339
+358,771
+290% +$33.8M 0.01% 1197
2023
Q1
$12M Sell
123,568
-6,933
-5% -$719K ﹤0.01% 2561
2022
Q4
$13.5M Sell
130,501
-871,813
-87% -$81.8M ﹤0.01% 2417
2022
Q3
$85M Sell
1,002,314
-150,761
-13% -$13.4M 0.02% 692
2022
Q2
$95.6M Sell
1,153,075
-937,328
-45% -$74.6M 0.02% 598
2022
Q1
$161M Buy
2,090,403
+732,488
+54% +$61.3M 0.03% 437
2021
Q4
$120M Buy
1,357,915
+1,308,848
+2,667% +$108M 0.02% 563
2021
Q3
$3.79M Sell
49,067
-911,095
-95% -$71.9M ﹤0.01% 4866
2021
Q2
$80.1M Sell
960,162
-673,518
-41% -$53.4M 0.02% 803
2021
Q1
$123M Sell
1,633,680
-1,361,590
-45% -$111M 0.03% 487
2020
Q4
$263M Buy
2,995,270
+517,914
+21% +$41.1M 0.07% 182
2020
Q3
$188M Buy
2,477,356
+2,222,384
+872% +$225M 0.05% 213
2020
Q2
$31.4M Sell
254,972
-4,355
-2% -$433K 0.01% 1126
2020
Q1
$21.9M Sell
259,327
-1,780,826
-87% -$153M 0.01% 1171
2019
Q4
$172M Buy
2,040,153
+282,923
+16% +$21.4M 0.07% 209
2019
Q3
$118M Buy
1,757,230
+587,616
+50% +$45.3M 0.06% 331
2019
Q2
$100M Buy
1,169,614
+40,966
+4% +$3.5M 0.05% 396
2019
Q1
$100M Sell
1,128,648
-229,037
-17% -$21.2M 0.05% 363
2018
Q4
$116M Sell
1,357,685
-1,101,023
-45% -$105M 0.06% 278
2018
Q3
$238M Buy
2,458,708
+625,303
+34% +$62.4M 0.11% 135
2018
Q2
$173M Buy
1,833,405
+457,896
+33% +$40.1M 0.09% 190
2018
Q1
$112M Sell
1,375,509
-939,566
-41% -$80.6M 0.06% 284
2017
Q4
$206M Buy
2,315,075
+671,639
+41% +$58.4M 0.13% 133
2017
Q3
$153M Buy
1,643,436
+1,401,415
+579% +$124M 0.12% 139
2017
Q2
$22M Sell
242,021
-224,884
-48% -$20.5M 0.02% 945
2017
Q1
$41M Sell
466,905
-233,832
-33% -$20.8M 0.04% 545
2016
Q4
$58M Sell
700,737
-272,548
-28% -$23.4M 0.06% 326
2016
Q3
$90M Sell
973,285
-680,698
-41% -$64.1M 0.09% 190
2016
Q2
$129M Sell
1,653,983
-540,892
-25% -$46M 0.14% 99
2016
Q1
$181M Buy
2,194,875
+2,121,458
+2,890% +$173M 0.23% 52
2015
Q4
$7.69M Sell
73,417
-353,165
-83% -$36.9M 0.01% 1466
2015
Q3
$44.9M Sell
426,582
-153,235
-26% -$20.5M 0.04% 485
2015
Q2
$79.3M Sell
579,817
-385,389
-40% -$47.8M 0.07% 306
2015
Q1
$120M Sell
965,206
-492,997
-34% -$52.2M 0.11% 179
2014
Q4
$132M Buy
1,458,203
+256,311
+21% +$21.3M 0.13% 125
2014
Q3
$86.7M Buy
1,201,892
+634,138
+112% +$41.7M 0.09% 216
2014
Q2
$35.3M Sell
567,754
-69,792
-11% -$4.22M 0.04% 518
2014
Q1
$43.5M Buy
637,546
+89,804
+16% +$6.62M 0.05% 451
2013
Q4
$38.5M Buy
547,742
+80,715
+17% +$5.48M 0.05% 461
2013
Q3
$33.7M Sell
467,027
-419,963
-47% -$27.9M 0.05% 477
2013
Q2
$49.5M Buy
+886,990
New +$55.3M 0.09% 264

Other funds holding BMRN

Citadel Advisors's BMRN Position: Q1 2026 in Review

Citadel Advisors increased its BioMarin Pharmaceuticals (BMRN) stake by 231% in Q1 2026, buying an estimated $184M and bringing the position to 4,512,634 shares worth $255M. The position accounts for 0.04% of the portfolio, ranked #355.

Citadel Advisors first reported a position in BMRN in Q2 2013 and has held it in 52 quarters since. The position peaked at $263M in Q4 2020. 554 funds tracked by Wall St. Rank hold BMRN as of Q1 2026.

  • Citadel Advisors held 4,512,634 shares of BioMarin Pharmaceuticals worth $255M as of Q1 2026.
  • Citadel Advisors bought 3,147,943 BioMarin Pharmaceuticals shares in Q1 2026, an estimated $184M.
  • BioMarin Pharmaceuticals made up 0.04% of Citadel Advisors's portfolio in Q1 2026, its #355 holding.
  • Citadel Advisors first reported a position in BioMarin Pharmaceuticals in Q2 2013 and has held it in 52 quarters since.
  • Citadel Advisors's BioMarin Pharmaceuticals position peaked at $263M in Q4 2020.
  • 554 funds tracked by Wall St. Rank held BioMarin Pharmaceuticals as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.