Jim Simons
CTSO icon

Jim Simons’s Cytosorbents Corp CTSO Stock Holding History

Jim Simons’s Portfolio CTSO Stock Details CTSO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$57K Buy
100,720
+600
+0.6% +$410 ﹤0.01% 3099
2025
Q4 		$64K Sell
100,120
-34,685
-26% -$26.7K ﹤0.01% 3066
2025
Q3 		$126K Buy
134,805
+18,166
+16% +$17.9K ﹤0.01% 3225
2025
Q2 		$149K Sell
116,639
-108,615
-48% -$109K ﹤0.01% 3230
2025
Q1 		$225K Buy
225,254
+137,234
+156% +$145K ﹤0.01% 3044
2024
Q4 		$80.1K Buy
88,020
+8,400
+11% +$8.24K ﹤0.01% 3318
2024
Q3 		$119K Buy
79,620
+3,800
+5% +$4.17K ﹤0.01% 3229
2024
Q2 		$53.3K Sell
75,820
-3,800
-5% -$3.3K ﹤0.01% 3283
2024
Q1 		$76K Sell
79,620
-95,700
-55% -$93.1K ﹤0.01% 3417
2023
Q4 		$195K Buy
175,320
+56,220
+47% +$83.5K ﹤0.01% 3141
2023
Q3 		$224K Buy
119,100
+200
+0.2% +$574 ﹤0.01% 3048
2023
Q2 		$427K Buy
118,900
+300
+0.3% +$949 ﹤0.01% 2959
2023
Q1 		$400K Buy
118,600
+200
+0.2% +$600 ﹤0.01% 2992
2022
Q4 		$184K Sell
118,400
-79,396
-40% -$118K ﹤0.01% 3446
2022
Q3 		$269K Buy
197,796
+57,676
+41% +$113K ﹤0.01% 3256
2022
Q2 		$307K Buy
140,120
+55,220
+65% +$127K ﹤0.01% 3447
2022
Q1 		$271K Buy
+84,900
New +$304K ﹤0.01% 3514
2021
Q3 		– Sell
-140,100
Closed -$1.06M – 3531
2021
Q2 		$1.06M Sell
140,100
-39,900
-22% -$336K ﹤0.01% 2640
2021
Q1 		$1.56M Buy
180,000
+106,900
+146% +$1.02M ﹤0.01% 2379
2020
Q4 		$583K Sell
73,100
-22,900
-24% -$192K ﹤0.01% 2751
2020
Q3 		$766K Buy
+96,000
New +$866K ﹤0.01% 2644
2019
Q2 		– Sell
-38,800
Closed -$294K – 3571
2019
Q1 		$294K Sell
38,800
-82,900
-68% -$646K ﹤0.01% 3100
2018
Q4 		$983K Buy
+121,700
New +$1.21M ﹤0.01% 2577
2018
Q3 		– Sell
-230,300
Closed -$2.63M – 3372
2018
Q2 		$2.63M Buy
+230,300
New +$2.18M ﹤0.01% 2131

Other funds holding CTSO

AC
Avenir Corporation Alexandria, Virginia $820M AUM 2.4% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SC
Skylands Capital Milwaukee, Wisconsin $814M AUM 32.37% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
CM
CM Management Gulf Breeze, Florida $120M AUM 37.12% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
SIG
Sargent Investment Group Bethesda, Maryland $832M AUM 24.89% 1-Year Est. Return
Pathstone Holdings
Pathstone Holdings Englewood, New Jersey $25.1B AUM 22.95% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM

Jim Simons's CTSO Position: Q1 2026 in Review

Jim Simons increased its Cytosorbents Corp (CTSO) stake by 0.6% in Q1 2026, buying an estimated $410 and bringing the position to 100,720 shares worth $57K. The position accounts for ﹤0.01% of the portfolio, ranked #3099.

Jim Simons first reported a position in CTSO in Q2 2018 and has held it in 24 quarters since. The position peaked at $2.63M in Q2 2018. 50 funds tracked by Wall St. Rank hold CTSO as of Q1 2026.

  • Jim Simons held 100,720 shares of Cytosorbents Corp worth $57K as of Q1 2026.
  • Jim Simons bought 600 Cytosorbents Corp shares in Q1 2026, an estimated $410.
  • Cytosorbents Corp made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #3099 holding.
  • Jim Simons first reported a position in Cytosorbents Corp in Q2 2018 and has held it in 24 quarters since.
  • Jim Simons's Cytosorbents Corp position peaked at $2.63M in Q2 2018.
  • 50 funds tracked by Wall St. Rank held Cytosorbents Corp as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.