Jim Simons’s MacroGenics MGNX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$8.56M Buy
2,963,559
+54,928
+2% +$117K 0.01% 1055
2025
Q4
$4.68M Buy
2,908,631
+1,207,408
+71% +$1.9M 0.01% 1343
2025
Q3
$2.86M Buy
1,701,223
+374,729
+28% +$607K ﹤0.01% 1841
2025
Q2
$1.61M Buy
1,326,494
+174,224
+15% +$253K ﹤0.01% 2250
2025
Q1
$1.46M Buy
1,152,270
+613,747
+114% +$1.6M ﹤0.01% 2182
2024
Q4
$1.75M Buy
538,523
+220,100
+69% +$793K ﹤0.01% 2141
2024
Q3
$1.05M Sell
318,423
-165,604
-34% -$645K ﹤0.01% 2422
2024
Q2
$2.06M Sell
484,027
-231,000
-32% -$2.25M ﹤0.01% 1866
2024
Q1
$10.5M Sell
715,027
-48,500
-6% -$733K 0.02% 965
2023
Q4
$7.34M Buy
763,527
+98,377
+15% +$680K 0.01% 1100
2023
Q3
$3.1M Sell
665,150
-89,673
-12% -$446K 0.01% 1585
2023
Q2
$4.04M Buy
754,823
+180,000
+31% +$1.11M 0.01% 1550
2023
Q1
$4.12M Buy
574,823
+91,700
+19% +$552K 0.01% 1588
2022
Q4
$3.24M Sell
483,123
-26,100
-5% -$143K ﹤0.01% 1765
2022
Q3
$1.76M Sell
509,223
-921,700
-64% -$3.53M ﹤0.01% 2098
2022
Q2
$4.22M Buy
1,430,923
+845,211
+144% +$4.44M 0.01% 1686
2022
Q1
$5.16M Buy
+585,712
New +$6.47M 0.01% 1568
2020
Q2
Sell
-468,123
Closed -$2.72M 3645
2020
Q1
$2.72M Buy
468,123
+16,000
+4% +$145K ﹤0.01% 1893
2019
Q4
$4.92M Buy
452,123
+17,770
+4% +$176K ﹤0.01% 1864
2019
Q3
$5.54M Buy
434,353
+9,930
+2% +$143K ﹤0.01% 1733
2019
Q2
$7.2M Sell
424,423
-399,300
-48% -$6.86M 0.01% 1610
2019
Q1
$14.8M Buy
823,723
+627,623
+320% +$10.8M 0.01% 1140
2018
Q4
$2.49M Buy
196,100
+37,077
+23% +$622K ﹤0.01% 2110
2018
Q3
$3.41M Sell
159,023
-113,376
-42% -$2.42M ﹤0.01% 2019
2018
Q2
$5.63M Sell
272,399
-126,924
-32% -$2.86M 0.01% 1710
2018
Q1
$10M Buy
399,323
+98,800
+33% +$2.4M 0.01% 1368
2017
Q4
$5.71M Buy
300,523
+106,900
+55% +$2M 0.01% 1720
2017
Q3
$3.58M Sell
193,623
-33,400
-15% -$579K ﹤0.01% 1962
2017
Q2
$3.98M Buy
227,023
+96,100
+73% +$1.83M 0.01% 1867
2017
Q1
$2.44M Buy
+130,923
New +$2.53M ﹤0.01% 2129
2016
Q2
Sell
-20,723
Closed -$389K 3444
2016
Q1
$389K Sell
20,723
-71,941
-78% -$1.37M ﹤0.01% 2913
2015
Q4
$2.87M Buy
92,664
+66,440
+253% +$2.02M 0.01% 1876
2015
Q3
$562K Buy
+26,224
New +$823K ﹤0.01% 2586

Other funds holding MGNX

Jim Simons's MGNX Position: Q1 2026 in Review

Jim Simons increased its MacroGenics (MGNX) stake by 1.9% in Q1 2026, buying an estimated $117K and bringing the position to 2,963,559 shares worth $8.56M. The position accounts for 0.01% of the portfolio, ranked #1055.

Jim Simons first reported a position in MGNX in Q3 2015 and has held it in 33 quarters since. The position peaked at $14.8M in Q1 2019. 109 funds tracked by Wall St. Rank hold MGNX as of Q1 2026.

  • Jim Simons held 2,963,559 shares of MacroGenics worth $8.56M as of Q1 2026.
  • Jim Simons bought 54,928 MacroGenics shares in Q1 2026, an estimated $117K.
  • MacroGenics made up 0.01% of Jim Simons's portfolio in Q1 2026, its #1055 holding.
  • Jim Simons first reported a position in MacroGenics in Q3 2015 and has held it in 33 quarters since.
  • Jim Simons's MacroGenics position peaked at $14.8M in Q1 2019.
  • 109 funds tracked by Wall St. Rank held MacroGenics as of Q1 2026.

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