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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 8.97%
5 Industrials 8.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
IWO icon
3126
iShares Russell 2000 Growth ETF
IWO
$15.1B
$230K ﹤0.01%
+800
New +$237K
PED icon
3127
PEDEVCO
PED
$160M
$228K ﹤0.01%
14,637
+2,407
+20% +$42.3K
AMS icon
3128
American Shared Hospital Services
AMS
$10.6M
$227K ﹤0.01%
71,225
+3,776
+6% +$12.1K
EWI icon
3129
iShares MSCI Italy ETF
EWI
$1.08B
$227K ﹤0.01%
6,300
-38,000
-86% -$1.42M
RR icon
3130
Richtech Robotics
RR
$385M
$226K ﹤0.01%
+83,700
New +$75.4K
EBTC
3131
DELISTED
Enterprise Bancorp
EBTC
$225K ﹤0.01%
5,700
-900
-14% -$32.4K
FHTX icon
3132
Foghorn Therapeutics
FHTX
$385M
$225K ﹤0.01%
47,736
+22,500
+89% +$164K
IHT
3133
InnSuites Hospitality Trust
IHT
$15.1M
$225K ﹤0.01%
104,203
-4,200
-4% -$8.56K
FNGD icon
3134
MicroSectors FANG+ Index -3X Inverse Leveraged ETNs due January 8, 2038
FNGD
$312M
$224K ﹤0.01%
+1,639
New +$279K
BHM icon
3135
Bluerock Homes Trust
BHM
$36.4M
$223K ﹤0.01%
16,782
-1,018
-6% -$14.8K
DFAT icon
3136
Dimensional US Targeted Value ETF
DFAT
$14.8B
$223K ﹤0.01%
+4,000
New +$229K
LITB
3137
LightInTheBox
LITB
$53.8M
$222K ﹤0.01%
132,133
-8,800
-6% -$18.2K
DDD icon
3138
3D Systems Corp
DDD
$601M
$220K ﹤0.01%
67,170
-498,780
-88% -$1.59M
TISI icon
3139
Team
TISI
$101M
$220K ﹤0.01%
17,351
-7,400
-30% -$132K
CLRO icon
3140
ClearOne Inc
CLRO
$15.2M
$218K ﹤0.01%
18,617
-1,648
-8% -$14K
BNR
3141
Burning Rock Biotech
BNR
$98M
$218K ﹤0.01%
32,317
-600
-2% -$2.76K
PHO icon
3142
Invesco Water Resources ETF
PHO
$2.06B
$217K ﹤0.01%
3,300
-800
-20% -$55.8K
PRPH
3143
DELISTED
ProPhase Labs
PRPH
$217K ﹤0.01%
28,649
+7,138
+33% +$100K
OWLT icon
3144
Owlet
OWLT
$182M
$216K ﹤0.01%
48,437
+16,718
+53% +$80.4K
ACHV icon
3145
Achieve Life Sciences
ACHV
$744M
$215K ﹤0.01%
61,160
+25,300
+71% +$115K
IEO icon
3146
iShares US Oil & Gas Exploration & Production ETF
IEO
$589M
$215K ﹤0.01%
2,400
-4,600
-66% -$433K
TORO icon
3147
Toro Corp
TORO
$195M
$215K ﹤0.01%
76,475
-41,316
-35% -$122K
OPK icon
3148
Opko Health
OPK
$1.04B
$215K ﹤0.01%
145,977
-312,950
-68% -$478K
DARE icon
3149
Dare Bioscience
DARE
$20.5M
$214K ﹤0.01%
68,695
+4,300
+7% +$14.9K
ELUT icon
3150
Elutia
ELUT
$38M
$214K ﹤0.01%
57,216
-11,700
-17% -$45.3K

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.