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Jim Simons

Jim Simons Renaissance Technologies

AUM $72.6B
1-Year Est. Return 54.88%
 

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
+12.02%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$64.6B
AUM Growth
+$5.95B
Cap. Flow
+$299M
Cap. Flow %
0.46%
Top 10 Hldgs %
11.91%
Holding
4,318
New
702
Increased
1,590
Reduced
1,355
Closed
633

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$653M
2
AMZN icon
Amazon
AMZN
+$602M
3
XOM icon
ExxonMobil
XOM
+$473M
4
TSLA icon
Tesla
TSLA
+$437M
5
SBUX icon
Starbucks
SBUX
+$380M

Sector Composition

Rank Sector Weight
1 Technology 19.68%
2 Healthcare 17.69%
3 Consumer Discretionary 13.09%
4 Industrials 7.96%
5 Consumer Staples 7.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BABA icon
1226
Alibaba
BABA
$297B
$6.08M 0.01%
+78,390
New +$6.25M
TZOO icon
1227
Travelzoo
TZOO
$75.2M
$6.08M 0.01%
637,587
+134,186
+27% +$1.07M
XME icon
1228
State Street SPDR S&P Metals & Mining ETF
XME
$4.55B
$6.07M 0.01%
101,500
+75,100
+284% +$3.98M
IBDQ
1229
DELISTED
iShares iBonds Dec 2025 Term Corporate ETF
IBDQ
$6.07M 0.01%
+245,010
New +$6M
CIEN icon
1230
Ciena
CIEN
$61.1B
$6.06M 0.01%
+134,674
New +$5.94M
UDOW icon
1231
ProShares UltraPro Dow 30
UDOW
$924M
$6.06M 0.01%
+163,002
New +$4.92M
VREX icon
1232
Varex Imaging
VREX
$779M
$6.06M 0.01%
295,600
-3,180
-1% -$60.7K
AI icon
1233
C3.ai
AI
$1.55B
$6.05M 0.01%
210,900
+146,600
+228% +$4.03M
MXL icon
1234
MaxLinear
MXL
$7.37B
$6.02M 0.01%
253,404
-132,800
-34% -$2.6M
GXO icon
1235
GXO Logistics
GXO
$5.59B
$6.01M 0.01%
98,200
+81,200
+478% +$4.55M
ENOV icon
1236
Enovis
ENOV
$1.49B
$6M 0.01%
107,167
+26,500
+33% +$1.32M
ACTG icon
1237
Acacia Research
ACTG
$445M
$6M 0.01%
1,531,200
-80,800
-5% -$299K
DUHP icon
1238
Dimensional US High Profitability ETF
DUHP
$12.8B
$5.98M 0.01%
208,900
+169,600
+432% +$4.54M
GENC icon
1239
Gencor Industries
GENC
$266M
$5.96M 0.01%
369,040
-9,500
-3% -$140K
RELL icon
1240
Richardson Electronics
RELL
$301M
$5.95M 0.01%
445,877
-103,700
-19% -$1.24M
REVG
1241
DELISTED
REV Group
REVG
$5.94M 0.01%
326,700
-31,100
-9% -$498K
FONR
1242
DELISTED
Fonar
FONR
$5.93M 0.01%
303,137
-4,779
-2% -$79.6K
AKBA icon
1243
Akebia Therapeutics
AKBA
$241M
$5.93M 0.01%
4,779,383
+1,623,956
+51% +$1.66M
WELL icon
1244
Welltower
WELL
$170B
$5.92M 0.01%
+65,663
New +$5.7M
WHG icon
1245
Westwood Holdings Group
WHG
$184M
$5.92M 0.01%
470,651
+30,600
+7% +$324K
HHH icon
1246
Howard Hughes
HHH
$3.98B
$5.91M 0.01%
72,486
+61,367
+552% +$4.3M
CDRE icon
1247
Cadre Holdings
CDRE
$1.46B
$5.91M 0.01%
179,700
+64,600
+56% +$1.95M
DAY
1248
DELISTED
Dayforce
DAY
$5.91M 0.01%
88,000
+84,300
+2,278% +$5.75M
TH icon
1249
Target Hospitality
TH
$1.7B
$5.89M 0.01%
605,436
+285,900
+89% +$3.54M
PUK icon
1250
Prudential
PUK
$34.6B
$5.88M 0.01%
261,900
+5,300
+2% +$116K

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Jim Simons's Q4 2023 Portfolio in Review

As of Q4 2023, Jim Simons held 4,318 positions worth $64.6B, up 10% from $58.7B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q4 2023 filing shows 702 new, 1,590 increased, 1,355 reduced and 633 closed positions. Its largest new stake was Amazon: 4,296,466 shares worth $653M. The largest sale was Berkshire Hathaway Class A, an estimated $511M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 19% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q4 2023 buy was Amazon: 4,296,466 shares worth $653M.
  • Jim Simons added most to Meta Platforms (Facebook) in Q4 2023, an estimated $653M increase.
  • Jim Simons's biggest Q4 2023 reduction was Berkshire Hathaway Class A, cutting an estimated $511M.
  • Jim Simons fully exited Horizon Therapeutics Public Limited Company Ordinary Shares in Q4 2023, selling an estimated $397M.
  • Jim Simons's ten largest holdings make up 12% of its $64.6B portfolio in Q4 2023.
  • Jim Simons opened 702 new positions and closed 633 in Q4 2023.
  • Jim Simons's portfolio value rose 10% quarter-over-quarter to $64.6B.

Based on Renaissance Technologies's 13F filing for Q4 2023, filed 13 Feb 2024.