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Jim Simons

Jim Simons Renaissance Technologies

AUM $63.9B
1-Year Est. Return 45.56%
 

Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.

This Fund
S&P 500
This Quarter Est. Return
+3.01%
1 Year Est. Return
+45.56%
3 Year Est. Return
+129.95%
5 Year Est. Return
+153.6%
10 Year Est. Return
+738.31%
AUM
$63.9B
AUM Growth
-$531M
Cap. Flow
+$1.07B
Cap. Flow %
1.67%
Top 10 Hldgs %
11.2%
Holding
3,809
New
624
Increased
1,320
Reduced
1,262
Closed
596

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$800M
2
NVDA icon
NVIDIA
NVDA
+$304M
3
AVGO icon
Broadcom
AVGO
+$261M
4
LIN icon
Linde
LIN
+$237M
5
JPM icon
JPMorgan Chase
JPM
+$208M

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$656M
2
NFLX icon
Netflix
NFLX
+$632M
3
TSLA icon
Tesla
TSLA
+$474M
4
PG icon
Procter & Gamble
PG
+$428M
5
MU icon
Micron Technology
MU
+$332M

Sector Composition

Rank Sector Weight
1 Technology 22.04%
2 Healthcare 15.35%
3 Industrials 11.13%
4 Consumer Discretionary 10.88%
5 Financials 10.52%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
GGRP
3076
Glimpse Group
GGRP
$20.8M
$69.1K ﹤0.01%
133,897
-21,053
-14% -$16.5K
INN
3077
Summit Hotel Properties
INN
$651M
$68.5K ﹤0.01%
+15,500
New +$69.5K
CXAI icon
3078
CXApp
CXAI
$17.8M
$67.1K ﹤0.01%
371,754
+263,154
+242% +$65.4K
DYAI icon
3079
Dyadic International
DYAI
$38.3M
$67K ﹤0.01%
81,665
-65,950
-45% -$55.4K
NEON icon
3080
Neonode
NEON
$16.4M
$66.8K ﹤0.01%
+47,703
New +$82.5K
ESLA icon
3081
Estrella Immunopharma
ESLA
$30.3M
$66.6K ﹤0.01%
62,795
-59,673
-49% -$68.6K
ELWT
3082
Elauwit Connection Inc
ELWT
$53.9M
$66.4K ﹤0.01%
+11,200
New +$67.8K
PLUR icon
3083
Pluri
PLUR
$18.9M
$65.9K ﹤0.01%
19,424
-600
-3% -$2.01K
EDTK icon
3084
Skillful Craftsman
EDTK
$14.3M
$63.4K ﹤0.01%
62,800
-9,500
-13% -$9.11K
MITQ icon
3085
Moving iMage Technologies
MITQ
$5.34M
$63.4K ﹤0.01%
122,400
+5,100
+4% +$3.3K
IPM
3086
Intelligent Protection Management Corp
IPM
$25M
$63.2K ﹤0.01%
41,300
-13,800
-25% -$23.9K
REFR icon
3087
Research Frontiers
REFR
$17.2M
$62.8K ﹤0.01%
68,300
-9,982
-13% -$10.9K
CADL icon
3088
Candel Therapeutics
CADL
$780M
$62.6K ﹤0.01%
+12,780
New +$69.5K
BMR icon
3089
Beamr Imaging
BMR
$20.3M
$62.5K ﹤0.01%
45,000
+3,300
+8% +$5.84K
AREN icon
3090
Arena Group
AREN
$76.2M
$62.3K ﹤0.01%
28,700
+2,500
+10% +$8.32K
ASPSZ
3091
Altisource Portfolio Solutions SA Cash Exercise Stakeholder Warrants
ASPSZ
$7.43M
$61.6K ﹤0.01%
307,803
-26,900
-8% -$6.9K
FFWM
3092
DELISTED
First Foundation Inc
FFWM
$61.4K ﹤0.01%
10,400
-94,400
-90% -$573K
NCMI icon
3093
National CineMedia
NCMI
$355M
$59.2K ﹤0.01%
+19,400
New +$68.1K
NOTV
3094
DELISTED
Inotiv
NOTV
$58.6K ﹤0.01%
214,864
-123,936
-37% -$51K
VIVO
3095
VivoPower PLC
VIVO
$124M
$58.4K ﹤0.01%
25,400
-109,658
-81% -$245K
ARAI
3096
Arrive AI Inc
ARAI
$14M
$58.3K ﹤0.01%
+73,100
New +$116K
NRDY icon
3097
Nerdy
NRDY
$95M
$58K ﹤0.01%
71,000
+2,300
+3% +$2.21K
BAK icon
3098
Braskem
BAK
$881M
$57.1K ﹤0.01%
15,600
-249,888
-94% -$946K
CTSO icon
3099
Cytosorbents Corp
CTSO
$22.6M
$57K ﹤0.01%
100,720
+600
+0.6% +$410
BNGO icon
3100
Bionano Genomics
BNGO
$13.7M
$57K ﹤0.01%
48,700
+11,700
+32% +$15K

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Jim Simons's Q1 2026 Portfolio in Review

As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.

  • Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
  • Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
  • Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
  • Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
  • Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
  • Jim Simons opened 624 new positions and closed 596 in Q1 2026.
  • Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.

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