Simplex Trading
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Simplex Trading’s SELLAS Life Sciences SLS Stock Holding History

Simplex Trading’s Portfolio SLS Stock Details SLS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$17.3M Sell
1,169,800
-37,600
-3% -$260K 0.01% 527
2026
Q1 		$5.11M Buy
+1,207,400
New +$5.4M ﹤0.01% 1097
2025
Q4 		– Sell
-1,617,700
Closed -$2.6M – 9941
2025
Q3 		$2.6M Buy
1,617,700
+782,700
+94% +$1.39M ﹤0.01% 2059
2025
Q2 		$1.83M Buy
835,000
+357,400
+75% +$549K ﹤0.01% 2196
2025
Q1 		$515K Sell
477,600
-44,200
-8% -$52.5K ﹤0.01% 3372
2024
Q4 		$542K Sell
521,800
-147,800
-22% -$169K ﹤0.01% 3441
2024
Q3 		$837K Buy
669,600
+241,400
+56% +$295K ﹤0.01% 3086
2024
Q2 		$509K Sell
428,200
-4,800
-1% -$6.53K ﹤0.01% 3647
2024
Q1 		$437K Buy
433,000
+87,600
+25% +$73.6K ﹤0.01% 3978
2023
Q4 		$366K Buy
345,400
+122,600
+55% +$133K ﹤0.01% 4020
2023
Q3 		$365K Sell
222,800
-56,300
-20% -$88.8K ﹤0.01% 3727
2023
Q2 		$438K Sell
279,100
-33,500
-11% -$53.8K ﹤0.01% 3450
2023
Q1 		$447K Buy
312,600
+199,800
+177% +$494K ﹤0.01% 3393
2022
Q4 		$266K Buy
112,800
+83,000
+279% +$233K ﹤0.01% 3883
2022
Q3 		$60K Buy
29,800
+600
+2% +$1.66K ﹤0.01% 6196
2022
Q2 		$65K Buy
29,200
+19,100
+189% +$56K ﹤0.01% 6152
2022
Q1 		$67K Sell
10,100
-38,300
-79% -$224K ﹤0.01% 6722
2021
Q4 		$267K Sell
48,400
-47,700
-50% -$361K ﹤0.01% 4745
2021
Q3 		$896K Sell
96,100
-6,100
-6% -$56.6K ﹤0.01% 3233
2021
Q2 		$1.13M Buy
102,200
+101,715
+20,972% +$993K ﹤0.01% 2924
2021
Q1 		$414K Buy
485
+394
+433% +$3.22K ﹤0.01% 3656
2020
Q4 		$52K Buy
+91
New +$364 ﹤0.01% 6141
2018
Q1 		– Hold
0
– -$1K – 6800
2017
Q4 		– Hold
0
– – – 5628
2017
Q3 		– Hold
0
– – – 5565
2017
Q2 		– Hold
0
– – – 5719
2017
Q1 		– Sell
-1
Closed -$1.66K – 5331
2016
Q4 		$6K Buy
+1
New +$5.82K ﹤0.01% 4222

Other funds holding SLS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AFM
Anson Funds Management Dallas, Texas $1.68B AUM 373.57% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM

Simplex Trading's SLS Position: Q2 2026 in Review

Simplex Trading reduced its SELLAS Life Sciences (SLS) stake by 48% in Q2 2026, selling an estimated $974K and leaving 154,099 shares worth $2.27M. The position accounts for ﹤0.01% of the portfolio, ranked #1899.

Simplex Trading first reported a position in SLS in Q2 2017 and has held it in 7 quarters since. 192 funds tracked by Wall St. Rank hold SLS as of Q2 2026.

  • Simplex Trading held 154,099 shares of SELLAS Life Sciences worth $2.27M as of Q2 2026.
  • Simplex Trading sold 141,063 SELLAS Life Sciences shares in Q2 2026, an estimated $974K.
  • SELLAS Life Sciences made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #1899 holding.
  • Simplex Trading first reported a position in SELLAS Life Sciences in Q2 2017 and has held it in 7 quarters since.
  • 192 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.