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 		$7.09M Buy
480,500
+327,100
+213% +$2.26M ﹤0.01% 966
2026
Q1 		$649K Buy
+153,400
New +$686K ﹤0.01% 2963
2025
Q4 		– Sell
-49,400
Closed -$79K – 9942
2025
Q3 		$79K Buy
49,400
+1,100
+2% +$1.96K ﹤0.01% 6016
2025
Q2 		$105K Buy
+48,300
New +$74.1K ﹤0.01% 5192
2025
Q1 		– Sell
-157,400
Closed -$163K – 9584
2024
Q4 		$163K Buy
+157,400
New +$180K ﹤0.01% 4715
2024
Q3 		– Sell
-3,400
Closed -$4K – 9491
2024
Q2 		$4K Buy
3,400
+800
+31% +$1.09K ﹤0.01% 8025
2024
Q1 		$2K Buy
+2,600
New +$2.18K ﹤0.01% 8459
2023
Q4 		– Sell
-2,100
Closed -$3K – 9740
2023
Q3 		$3K Hold
2,100
– – ﹤0.01% 7948
2023
Q2 		$3K Sell
2,100
-100
-5% -$161 ﹤0.01% 8283
2023
Q1 		$3K Buy
2,200
+1,000
+83% +$2.47K ﹤0.01% 8351
2022
Q4 		$2K Sell
1,200
-1,300
-52% -$3.65K ﹤0.01% 8649
2022
Q3 		$5K Sell
2,500
-4,500
-64% -$12.4K ﹤0.01% 8816
2022
Q2 		$15K Sell
7,000
-100
-1% -$293 ﹤0.01% 7897
2022
Q1 		$47K Buy
7,100
+6,600
+1,320% +$38.6K ﹤0.01% 7222
2021
Q4 		$2K Sell
500
-5,100
-91% -$38.6K ﹤0.01% 10052
2021
Q3 		$52K Hold
5,600
– – ﹤0.01% 7471
2021
Q2 		$62K Buy
5,600
+5,437
+3,336% +$53.1K ﹤0.01% 7388
2021
Q1 		$139K Buy
+163
New +$1.33K ﹤0.01% 5291
2017
Q3 		– Hold
0
– -$11K – 6575
2017
Q2 		– Hold
0
– – – 3910
2017
Q1 		– Hold
0
– – – 3436
2016
Q4 		– Hold
0
– – – 3404

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.