Simplex Trading’s Cytokinetics CYTK Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-41,004
| Closed | -$2.55M | – | 8836 |
|
|
2025
Q3 | $2.25M | Buy |
+41,004
| New | +$1.69M | ﹤0.01% | 2200 |
|
|
2025
Q2 | – | Sell |
-17,934
| Closed | -$624K | – | 8825 |
|
|
2025
Q1 | $720K | Buy |
+17,934
| New | +$824K | ﹤0.01% | 3015 |
|
|
2024
Q2 | – | Sell |
-178,309
| Closed | -$10.8M | – | 8953 |
|
|
2024
Q1 | $12.5M | Buy |
+178,309
| New | +$13.8M | 0.01% | 988 |
|
|
2023
Q3 | – | Sell |
-10,073
| Closed | -$335K | – | 8844 |
|
|
2023
Q2 | $328K | Buy |
10,073
+8,810
| +698% | +$326K | ﹤0.01% | 3736 |
|
|
2023
Q1 | $44K | Buy |
+1,263
| New | +$51.5K | ﹤0.01% | 6057 |
|
|
2022
Q1 | – | Sell |
-23,760
| Closed | -$844K | – | 10546 |
|
|
2021
Q4 | $1.08M | Sell |
23,760
-25,472
| -52% | -$983K | ﹤0.01% | 2748 |
|
|
2021
Q3 | $1.03M | Buy |
49,232
+5,498
| +13% | +$162K | ﹤0.01% | 3019 |
|
|
2021
Q2 | $865K | Buy |
43,734
+30,946
| +242% | +$727K | ﹤0.01% | 3325 |
|
|
2021
Q1 | $0 | Buy |
+12,788
| New | +$273K | ﹤0.01% | 9014 |
|
|
2020
Q4 | – | Sell |
-30,296
| Closed | -$554K | – | 8459 |
|
|
2020
Q3 | $655K | Buy |
30,296
+27,658
| +1,048% | +$647K | ﹤0.01% | 2717 |
|
|
2020
Q2 | $62K | Sell |
2,638
-42,839
| -94% | -$803K | ﹤0.01% | 5291 |
|
|
2020
Q1 | $536K | Sell |
45,477
-12,794
| -22% | -$163K | ﹤0.01% | 2510 |
|
|
2019
Q4 | $618K | Buy |
58,271
+51,476
| +758% | +$529K | ﹤0.01% | 2540 |
|
|
2019
Q3 | $77K | Buy |
+6,795
| New | +$85.3K | ﹤0.01% | 4595 |
|
|
2019
Q2 | – | Sell |
-228
| Closed | -$2.2K | – | 7216 |
|
|
2019
Q1 | $1K | Buy |
+228
| New | +$1.68K | ﹤0.01% | 6884 |
|
|
2018
Q3 | – | Sell |
-4,964
| Closed | -$39.8K | – | 7503 |
|
|
2018
Q2 | $41K | Buy |
4,964
+4,263
| +608% | +$35.5K | ﹤0.01% | 5258 |
|
|
2018
Q1 | $5K | Sell |
701
-3,742
| -84% | -$32.1K | ﹤0.01% | 4618 |
|
|
2017
Q4 | $36K | Sell |
4,443
-1,253
| -22% | -$14.2K | ﹤0.01% | 2741 |
|
|
2017
Q3 | $82K | Sell |
5,696
-2,712
| -32% | -$37K | ﹤0.01% | 1891 |
|
|
2017
Q2 | $101K | Sell |
8,408
-39,786
| -83% | -$553K | ﹤0.01% | 1748 |
|
|
2017
Q1 | $619K | Buy |
48,194
+34,828
| +261% | +$407K | 0.03% | 569 |
|
|
2016
Q4 | $162K | Buy |
13,366
+499
| +4% | +$5.3K | 0.01% | 1193 |
|
|
2016
Q3 | $118K | Buy |
12,867
+12,539
| +3,823% | +$131K | 0.01% | 1410 |
|
|
2016
Q2 | $3K | Sell |
328
-1,729
| -84% | -$14.2K | ﹤0.01% | 4604 |
|
|
2016
Q1 | $14K | Buy |
+2,057
| New | +$15K | ﹤0.01% | 3130 |
|
|
2015
Q4 | – | Sell |
-1,639
| Closed | -$16.1K | – | 5509 |
|
|
2015
Q3 | $10K | Sell |
1,639
-300
| -15% | -$2.05K | ﹤0.01% | 3425 |
|
|
2015
Q2 | $13K | Buy |
1,939
+51
| +3% | +$334 | ﹤0.01% | 2831 |
|
|
2015
Q1 | $12K | Buy |
+1,888
| New | +$14.1K | ﹤0.01% | 2772 |
|
Other funds holding CYTK
ACA
Simplex Trading's CYTK Position: Q4 2025 in Review
Simplex Trading sold out of Cytokinetics (CYTK) in Q4 2025, closing a stake of 41,004 shares — an estimated $2.55M sold.
Simplex Trading first reported a position in CYTK in Q1 2015 and held it in 28 quarters. The position peaked at $12.5M in Q1 2024. 430 funds tracked by Wall St. Rank hold CYTK as of Q4 2025.
- Simplex Trading reported no remaining Cytokinetics position as of Q4 2025 after selling out during the quarter.
- Simplex Trading sold 41,004 Cytokinetics shares in Q4 2025, an estimated $2.55M.
- Simplex Trading first reported a position in Cytokinetics in Q1 2015 and held it in 28 quarters.
- Simplex Trading's Cytokinetics position peaked at $12.5M in Q1 2024.
- 430 funds tracked by Wall St. Rank held Cytokinetics as of Q4 2025.
Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.