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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
EWU icon
1701
iShares MSCI United Kingdom ETF
EWU
$4.13B
$3.36M 0.01%
+99,000
New +$3.53M
IMNM icon
1702
Immunome
IMNM
$3.09B
$3.36M 0.01%
316,000
+304,700
+2,696% +$3.68M
STAA icon
1703
STAAR Surgical
STAA
$1.3B
$3.35M 0.01%
138,100
-165,800
-55% -$4.73M
ZUO
1704
DELISTED
Zuora, Inc.
ZUO
$3.35M 0.01%
338,000
+17,500
+5% +$170K
DDL
1705
Dingdong
DDL
$523M
$3.34M ﹤0.01%
1,018,975
-316,818
-24% -$1.23M
VBK icon
1706
Vanguard Morningstar Small-Cap Growth ETF
VBK
$25B
$3.33M ﹤0.01%
+11,900
New +$3.36M
VGK icon
1707
Vanguard FTSE Europe ETF
VGK
$31.1B
$3.33M ﹤0.01%
52,500
+28,000
+114% +$1.87M
NATL icon
1708
NCR Atleos
NATL
$3.47B
$3.31M ﹤0.01%
97,700
-86,700
-47% -$2.63M
LIF
1709
Life360
LIF
$4.17B
$3.31M ﹤0.01%
80,300
+52,400
+188% +$2.31M
MTLS
1710
Materialise
MTLS
$400M
$3.31M ﹤0.01%
470,300
-96,074
-17% -$635K
IBOC icon
1711
International Bancshares
IBOC
$4.56B
$3.31M ﹤0.01%
52,337
+10,519
+25% +$698K
CAR icon
1712
Avis
CAR
$4.87B
$3.3M ﹤0.01%
+40,980
New +$3.74M
ESNT icon
1713
Essent Group
ESNT
$6.25B
$3.3M ﹤0.01%
60,600
+17,500
+41% +$1.02M
SCWX
1714
DELISTED
SecureWorks Corp Class A Common Stock
SCWX
$3.28M ﹤0.01%
388,240
+212,900
+121% +$1.78M
BLZE icon
1715
Backblaze
BLZE
$1.18B
$3.28M ﹤0.01%
545,513
+157,897
+41% +$1.07M
CIX icon
1716
Comp X International
CIX
$385M
$3.28M ﹤0.01%
125,249
-5,495
-4% -$160K
TWFG
1717
TWFG Inc
TWFG
$1.45B
$3.27M ﹤0.01%
+106,300
New +$3.3M
MUR icon
1718
Murphy Oil
MUR
$4.96B
$3.27M ﹤0.01%
108,100
+46,000
+74% +$1.48M
WOR icon
1719
Worthington Enterprises
WOR
$2.87B
$3.26M ﹤0.01%
81,300
-56,800
-41% -$2.3M
CON
1720
Concentra Group Holdings
CON
$4.52B
$3.26M ﹤0.01%
164,731
+151,166
+1,114% +$3.12M
AMED
1721
DELISTED
Amedisys
AMED
$3.25M ﹤0.01%
35,800
-84,301
-70% -$7.74M
UVV icon
1722
Universal Corp
UVV
$1.11B
$3.25M ﹤0.01%
59,211
-35,400
-37% -$1.9M
DJCO icon
1723
Daily Journal
DJCO
$831M
$3.24M ﹤0.01%
5,711
+100
+2% +$53.5K
FNDX icon
1724
Schwab Fundamental US Large Company Index ETF
FNDX
$27.6B
$3.24M ﹤0.01%
136,800
+79,500
+139% +$1.93M
EXFY icon
1725
Expensify
EXFY
$210M
$3.23M ﹤0.01%
965,200
-363,041
-27% -$976K

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.