Simplex Trading
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Simplex Trading’s Acadia Pharmaceuticals ACAD Stock Holding History

Simplex Trading’s Portfolio ACAD Stock Details ACAD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.9K Sell
400
-10,000
-96% -$239K ﹤0.01% 7451
2025
Q4 		$278K Sell
10,400
-21,100
-67% -$504K ﹤0.01% 3893
2025
Q3 		$672K Buy
31,500
+20,700
+192% +$490K ﹤0.01% 3478
2025
Q2 		$232K Sell
10,800
-20,900
-66% -$388K ﹤0.01% 4351
2025
Q1 		$526K Buy
31,700
+8,800
+38% +$160K ﹤0.01% 3347
2024
Q4 		$420K Buy
22,900
+6,100
+36% +$98.5K ﹤0.01% 3726
2024
Q3 		$258K Sell
16,800
-13,000
-44% -$217K ﹤0.01% 4273
2024
Q2 		$484K Sell
29,800
-123,400
-81% -$1.99M ﹤0.01% 3709
2024
Q1 		$2.83M Buy
153,200
+33,600
+28% +$832K ﹤0.01% 2082
2023
Q4 		$3.74M Sell
119,600
-95,400
-44% -$2.28M ﹤0.01% 1804
2023
Q3 		$4.48M Buy
215,000
+204,500
+1,948% +$5.55M ﹤0.01% 1436
2023
Q2 		$251K Sell
10,500
-1,900
-15% -$42.2K ﹤0.01% 4041
2023
Q1 		$233K Sell
12,400
-73,500
-86% -$1.4M ﹤0.01% 4152
2022
Q4 		$1.37M Sell
85,900
-14,800
-15% -$231K ﹤0.01% 2177
2022
Q3 		$1.65M Buy
100,700
+12,000
+14% +$194K ﹤0.01% 2134
2022
Q2 		$1.25M Buy
88,700
+39,700
+81% +$741K ﹤0.01% 2384
2022
Q1 		$1.19M Buy
49,000
+15,800
+48% +$382K ﹤0.01% 2712
2021
Q4 		$774K Buy
33,200
+1,100
+3% +$22.1K ﹤0.01% 3220
2021
Q3 		$795K Sell
32,100
-100
-0.3% -$1.93K ﹤0.01% 3415
2021
Q2 		$785K Buy
32,200
+29,052
+923% +$656K ﹤0.01% 3489
2021
Q1 		$8.12M Buy
+3,148
New +$139K 0.01% 544
2020
Q2 		– Sell
-1,063
Closed -$4.49M – 7491
2020
Q1 		$4.49M Sell
1,063
-46
-4% -$1.9K 0.01% 748
2019
Q4 		$4.74M Sell
1,109
-39
-3% -$1.7K 0.01% 836
2019
Q3 		$4.13M Sell
1,148
-275
-19% -$8.34K 0.01% 831
2019
Q2 		$3.8M Buy
1,423
+408
+40% +$10.4K 0.01% 848
2019
Q1 		$2.73M Buy
1,015
+439
+76% +$10.3K 0.01% 1104
2018
Q4 		$931K Buy
576
+318
+123% +$6.17K ﹤0.01% 1695
2018
Q3 		$535K Buy
258
+131
+103% +$2.06K ﹤0.01% 2560
2018
Q2 		$193K Sell
127
-55
-30% -$981 ﹤0.01% 3528
2018
Q1 		$138K Sell
182
-175
-49% -$4.84K 0.01% 1533
2017
Q4 		$114K Sell
357
-58
-14% -$1.85K ﹤0.01% 1696
2017
Q3 		$77K Sell
415
-243
-37% -$7.91K ﹤0.01% 1933
2017
Q2 		$305K Sell
658
-199
-23% -$5.93K 0.01% 934
2017
Q1 		$124K Sell
857
-128
-13% -$4.52K 0.01% 1559
2016
Q4 		$133K Buy
985
+616
+167% +$16.3K 0.01% 1318
2016
Q3 		$85K Sell
369
-97
-21% -$3.29K 0.01% 1661
2016
Q2 		$130K Sell
466
-849
-65% -$28.4K 0.01% 1289
2016
Q1 		$88K Buy
1,315
+916
+230% +$20K 0.01% 1463
2015
Q4 		$95K Buy
399
+230
+136% +$8.1K 0.01% 1400
2015
Q3 		$74K Sell
169
-10
-6% -$416 0.01% 1658
2015
Q2 		$30K Buy
179
+83
+86% +$3.21K ﹤0.01% 2087
2015
Q1 		$28K Buy
+96
New +$3.3K ﹤0.01% 2025

Other funds holding ACAD

BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

Simplex Trading's ACAD Position: Q1 2026 in Review

Simplex Trading sold out of Acadia Pharmaceuticals (ACAD) in Q1 2026, closing a stake of 2,435 shares — an estimated $58.2K sold.

Simplex Trading first reported a position in ACAD in Q2 2015 and held it in 37 quarters. The position peaked at $2.44M in Q3 2019. 340 funds tracked by Wall St. Rank hold ACAD as of Q1 2026.

  • Simplex Trading reported no remaining Acadia Pharmaceuticals position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 2,435 Acadia Pharmaceuticals shares in Q1 2026, an estimated $58.2K.
  • Simplex Trading first reported a position in Acadia Pharmaceuticals in Q2 2015 and held it in 37 quarters.
  • Simplex Trading's Acadia Pharmaceuticals position peaked at $2.44M in Q3 2019.
  • 340 funds tracked by Wall St. Rank held Acadia Pharmaceuticals as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.