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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
+8.44%
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
$67.6B
AUM Growth
+$1.06B
Cap. Flow
-$786M
Cap. Flow %
-1.16%
Top 10 Hldgs %
10.48%
Holding
4,032
New
548
Increased
1,485
Reduced
1,480
Closed
497

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$191M
2
NKE icon
Nike
NKE
+$190M
3
UNH icon
UnitedHealth
UNH
+$158M
4
SHOP icon
Shopify
SHOP
+$153M
5
TSM icon
TSMC
TSM
+$151M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$910M
2
MSFT icon
Microsoft
MSFT
+$668M
3
META icon
Meta Platforms (Facebook)
META
+$351M
4
MU icon
Micron Technology
MU
+$244M
5
AAPL icon
Apple
AAPL
+$191M

Sector Composition

Rank Sector Weight
1 Technology 20.86%
2 Healthcare 15.8%
3 Consumer Discretionary 14.09%
4 Financials 8.98%
5 Industrials 8.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
NRDS icon
1026
NerdWallet
NRDS
$617M
$9.88M 0.01%
742,909
+246,009
+50% +$3.28M
NSSC icon
1027
Napco Security Technologies
NSSC
$1.37B
$9.86M 0.01%
277,300
+31,100
+13% +$1.19M
ATI icon
1028
ATI
ATI
$31.4B
$9.81M 0.01%
178,192
+90,000
+102% +$5.31M
MDY icon
1029
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.3B
$9.8M 0.01%
+17,200
New +$10.1M
CSW
1030
CSW Industrials
CSW
$5.65B
$9.77M 0.01%
27,700
-1,200
-4% -$467K
TDS icon
1031
Telephone and Data Systems
TDS
$4.03B
$9.77M 0.01%
286,347
-81,680
-22% -$2.49M
TCBK icon
1032
TriCo Bancshares
TCBK
$1.86B
$9.76M 0.01%
223,343
-5,200
-2% -$237K
LNTH icon
1033
Lantheus
LNTH
$6.57B
$9.76M 0.01%
109,100
-252,931
-70% -$24.6M
ANIP icon
1034
ANI Pharmaceuticals
ANIP
$1.72B
$9.72M 0.01%
175,800
-69,302
-28% -$3.98M
EVTC icon
1035
Evertec
EVTC
$1.91B
$9.68M 0.01%
280,326
-187,300
-40% -$6.43M
ATR icon
1036
AptarGroup
ATR
$8.43B
$9.66M 0.01%
61,500
-33,600
-35% -$5.61M
UA icon
1037
Under Armour Class C
UA
$2.25B
$9.65M 0.01%
1,293,200
+939,700
+266% +$7.84M
APAM icon
1038
Artisan Partners
APAM
$2.97B
$9.64M 0.01%
224,023
+108,600
+94% +$4.96M
IAGG icon
1039
iShares Core International Aggregate Bond Fund
IAGG
$11.4B
$9.63M 0.01%
193,000
+53,500
+38% +$2.76M
SHYG icon
1040
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.62B
$9.63M 0.01%
226,100
+55,923
+33% +$2.4M
FF icon
1041
Future Fuel
FF
$249M
$9.63M 0.01%
1,819,890
+83,567
+5% +$466K
VSTS icon
1042
Vestis
VSTS
$1.87B
$9.61M 0.01%
630,700
-657,100
-51% -$9.89M
DAKT icon
1043
Daktronics
DAKT
$997M
$9.61M 0.01%
570,061
+50,148
+10% +$756K
LINE
1044
Lineage Inc
LINE
$9.8B
$9.56M 0.01%
163,200
+134,900
+477% +$9.17M
AMKR icon
1045
Amkor Technology
AMKR
$14.3B
$9.55M 0.01%
+371,700
New +$10.2M
AIT icon
1046
Applied Industrial Technologies
AIT
$13B
$9.54M 0.01%
+39,850
New +$9.94M
IEMG icon
1047
iShares Core MSCI Emerging Markets ETF
IEMG
$159B
$9.53M 0.01%
+182,500
New +$10.1M
BTSG icon
1048
BrightSpring Health Services
BTSG
$11.9B
$9.5M 0.01%
557,700
+375,200
+206% +$6.49M
PERI icon
1049
Perion Network
PERI
$377M
$9.47M 0.01%
1,118,409
-58,100
-5% -$488K
FSTR icon
1050
Foster
FSTR
$405M
$9.47M 0.01%
352,082
-38,200
-10% -$914K

Similar funds

Jim Simons's Q4 2024 Portfolio in Review

As of Q4 2024, Jim Simons held 4,032 positions worth $67.6B, up 1.6% from $66.5B the previous quarter. Its ten largest holdings account for 10% of the portfolio.

Jim Simons's Q4 2024 filing shows 548 new, 1,485 increased, 1,480 reduced and 497 closed positions. Its largest new stake was UnitedHealth: 278,658 shares worth $141M. The largest sale was Palantir, an estimated $910M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q4 2024 buy was UnitedHealth: 278,658 shares worth $141M.
  • Jim Simons added most to Alibaba in Q4 2024, an estimated $191M increase.
  • Jim Simons's biggest Q4 2024 reduction was Palantir, cutting an estimated $910M.
  • Jim Simons fully exited Arm in Q4 2024, selling an estimated $153M.
  • Jim Simons's ten largest holdings make up 10% of its $67.6B portfolio in Q4 2024.
  • Jim Simons opened 548 new positions and closed 497 in Q4 2024.
  • Jim Simons's portfolio value rose 1.6% quarter-over-quarter to $67.6B.

Based on Renaissance Technologies's 13F filing for Q4 2024, filed 13 Feb 2025.