Jim Simons’s Xenetic Biosciences XBIO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$368K Sell
137,440
-41,069
-23% -$101K ﹤0.01% 2732
2025
Q4
$387K Buy
178,509
+149,559
+517% +$477K ﹤0.01% 2677
2025
Q3
$90.9K Buy
28,950
+4,200
+17% +$13.7K ﹤0.01% 3266
2025
Q2
$97K Sell
24,750
-2,014
-8% -$5.82K ﹤0.01% 3301
2025
Q1
$69.9K Buy
26,764
+1,214
+5% +$4.75K ﹤0.01% 3243
2024
Q4
$102K Buy
25,550
+9,700
+61% +$39.1K ﹤0.01% 3283
2024
Q3
$68.5K Buy
+15,850
New +$62.4K ﹤0.01% 3314
2023
Q3
Sell
-25,782
Closed -$85K 4171
2023
Q2
$85K Buy
25,782
+15,831
+159% +$59K ﹤0.01% 3508
2023
Q1
$40K Sell
9,951
-4,389
-31% -$21.3K ﹤0.01% 3707
2022
Q4
$41K Buy
14,340
+2,830
+25% +$12.5K ﹤0.01% 3841
2022
Q3
$62K Sell
11,510
-3,596
-24% -$28.4K ﹤0.01% 3704
2022
Q2
$121K Sell
15,106
-4,035
-21% -$32.6K ﹤0.01% 3799
2022
Q1
$195K Sell
19,141
-6,981
-27% -$72.8K ﹤0.01% 3659
2021
Q4
$337K Sell
26,122
-15,767
-38% -$252K ﹤0.01% 3289
2021
Q3
$859K Buy
41,889
+27,767
+197% +$757K ﹤0.01% 2631
2021
Q2
$288K Sell
14,122
-10,993
-44% -$222K ﹤0.01% 3159
2021
Q1
$548K Buy
25,115
+8,095
+48% +$213K ﹤0.01% 2877
2020
Q4
$347K Buy
17,020
+11,099
+187% +$134K ﹤0.01% 2985
2020
Q3
$54K Sell
5,921
-11,399
-66% -$123K ﹤0.01% 3269
2020
Q2
$177K Buy
17,320
+908
+6% +$8.62K ﹤0.01% 3186
2020
Q1
$122K Buy
16,412
+4,332
+36% +$50.3K ﹤0.01% 3191
2019
Q4
$174K Buy
+12,080
New +$153K ﹤0.01% 3221

Other funds holding XBIO

Jim Simons's XBIO Position: Q1 2026 in Review

Jim Simons reduced its Xenetic Biosciences (XBIO) stake by 23% in Q1 2026, selling an estimated $101K and leaving 137,440 shares worth $368K. The position accounts for ﹤0.01% of the portfolio, ranked #2732.

Jim Simons first reported a position in XBIO in Q4 2019 and has held it in 22 quarters since. The position peaked at $859K in Q3 2021. 6 funds tracked by Wall St. Rank hold XBIO as of Q1 2026.

  • Jim Simons held 137,440 shares of Xenetic Biosciences worth $368K as of Q1 2026.
  • Jim Simons sold 41,069 Xenetic Biosciences shares in Q1 2026, an estimated $101K.
  • Xenetic Biosciences made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2732 holding.
  • Jim Simons first reported a position in Xenetic Biosciences in Q4 2019 and has held it in 22 quarters since.
  • Jim Simons's Xenetic Biosciences position peaked at $859K in Q3 2021.
  • 6 funds tracked by Wall St. Rank held Xenetic Biosciences as of Q1 2026.

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