Jim Simons
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Jim Simons’s SELLAS Life Sciences SLS Stock Holding History

Jim Simons’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 		$4.58M Buy
+310,364
New +$2.14M 0.01% 1512
2025
Q4 		– Sell
-291,822
Closed -$470K – 3714
2025
Q3 		$470K Buy
+291,822
New +$520K ﹤0.01% 2822
2025
Q2 		– Sell
-34,892
Closed -$37.7K – 3867
2025
Q1 		$37.7K Buy
+34,892
New +$41.4K ﹤0.01% 3317
2024
Q4 		– Sell
-92,937
Closed -$116K – 3884
2024
Q3 		$116K Buy
92,937
+60,491
+186% +$73.9K ﹤0.01% 3234
2024
Q2 		$38.6K Buy
+32,446
New +$44.1K ﹤0.01% 3318
2024
Q1 		– Sell
-50,400
Closed -$53K – 4040
2023
Q4 		$53K Buy
+50,400
New +$54.5K ﹤0.01% 3444
2022
Q4 		– Sell
-22,400
Closed -$45K – 4386
2022
Q3 		$45K Sell
22,400
-11,438
-34% -$31.6K ﹤0.01% 3783
2022
Q2 		$75K Buy
+33,838
New +$99.2K ﹤0.01% 3912
2020
Q3 		– Sell
-14,360
Closed -$42K – 3657
2020
Q2 		$42K Buy
+14,360
New +$39K ﹤0.01% 3351
2019
Q4 		– Sell
-2,786
Closed -$17K – 3723
2019
Q3 		$17K Sell
2,786
-57,877
-95% -$426K ﹤0.01% 3380
2019
Q2 		$341K Buy
60,663
+34,223
+129% +$1.22M ﹤0.01% 3134
2019
Q1 		$1.35M Buy
26,440
+1,988
+8% +$138K ﹤0.01% 2528
2018
Q4 		$1.5M Buy
24,452
+8,895
+57% +$689K ﹤0.01% 2382
2018
Q3 		$949K Buy
15,557
+8,410
+118% +$580K ﹤0.01% 2626
2018
Q2 		$1.22M Buy
7,147
+3,966
+125% +$1.09M ﹤0.01% 2518
2018
Q1 		$549K Buy
3,181
+1,074
+51% +$307K ﹤0.01% 2881
2017
Q4 		$828K Buy
2,107
+260
+14% +$126K ﹤0.01% 2736
2017
Q3 		$977K Buy
1,847
+366
+25% +$242K ﹤0.01% 2583
2017
Q2 		$1.29M Buy
1,481
+414
+39% +$360K ﹤0.01% 2477
2017
Q1 		$976K Buy
+1,067
New +$1.77M ﹤0.01% 2550

Other funds holding SLS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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
Anson Funds Management
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

Jim Simons's SLS Position: Q2 2026 in Review

Jim Simons opened a new position in SELLAS Life Sciences (SLS) in Q2 2026: 310,364 shares worth $4.58M. The stake represents 0.01% of the portfolio and ranks #1512 among its holdings. This is a return to the name: Jim Simons previously reported a position in SLS as recently as Q3 2025.

Jim Simons first reported a position in SLS in Q1 2017 and has held it in 20 quarters since. 194 funds tracked by Wall St. Rank hold SLS as of Q2 2026.

  • Jim Simons held 310,364 shares of SELLAS Life Sciences worth $4.58M as of Q2 2026.
  • SELLAS Life Sciences was a new Jim Simons position in Q2 2026.
  • SELLAS Life Sciences made up 0.01% of Jim Simons's portfolio in Q2 2026, its #1512 holding.
  • Jim Simons first reported a position in SELLAS Life Sciences in Q1 2017 and has held it in 20 quarters since.
  • 194 funds tracked by Wall St. Rank held SELLAS Life Sciences as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.