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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
+8.44%
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
$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
SHO icon
3876
Sunstone Hotel Investors
SHO
$1.98B
– –
-114,996
Closed -$1.19M
SIG icon
3877
Signet Jewelers
SIG
$3.68B
– –
-40,900
Closed -$4.22M
SKY icon
3878
Champion Homes
SKY
$5.11B
– –
-39,700
Closed -$3.77M
SKX
3879
DELISTED
Skechers
SKX
– –
-191,700
Closed -$12.8M
SKYT
3880
DELISTED
SkyWater Technology
SKYT
– –
-12,700
Closed -$115K
SLAB icon
3881
Silicon Laboratories
SLAB
$7.22B
– –
-21,998
Closed -$2.54M
SLGN icon
3882
Silgan Holdings
SLGN
$4.35B
– –
-65,680
Closed -$3.45M
SLND icon
3883
Southland Holdings
SLND
$38.5M
– –
-23,100
Closed -$85.5K
SLS icon
3884
SELLAS Life Sciences
SLS
$2.17B
– –
-92,937
Closed -$116K
SLV icon
3885
iShares Silver Trust
SLV
$31.5B
– –
-272,600
Closed -$7.74M
SMG icon
3886
ScottsMiracle-Gro
SMG
$3.61B
– –
-144,700
Closed -$12.5M
SMID icon
3887
Smith-Midland
SMID
$147M
– –
-8,100
Closed -$270K
SMLR
3888
DELISTED
Semler Scientific
SMLR
– –
-90,428
Closed -$2.13M
SNX icon
3889
TD Synnex
SNX
$20.3B
– –
-109,128
Closed -$13.1M
SONO icon
3890
Sonos
SONO
$1.78B
– –
-19,600
Closed -$241K
SOXL icon
3891
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$22.7B
– –
-25,700
Closed -$943K
SPBO icon
3892
State Street SPDR Portfolio Corporate Bond ETF
SPBO
$2.09B
– –
-30,100
Closed -$904K
SPDW icon
3893
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$41.5B
– –
-29,400
Closed -$1.1M
SPG icon
3894
Simon Property Group
SPG
$71B
– –
-21,500
Closed -$3.63M
SPMB icon
3895
State Street SPDR Portfolio Mortgage Backed Bond ETF
SPMB
$7.04B
– –
-10,538
Closed -$237K
SPRY icon
3896
ARS Pharmaceuticals
SPRY
$591M
– –
-15,800
Closed -$229K
SPY icon
3897
State Street SPDR S&P 500 ETF Trust
SPY
$807B
– –
-59,900
Closed -$34.4M
SPYV icon
3898
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.6B
– –
-20,900
Closed -$1.1M
SQM icon
3899
Sociedad Química y Minera de Chile
SQM
$20.6B
– –
-23,300
Closed -$971K
SR icon
3900
Spire
SR
$4.87B
– –
-12,300
Closed -$828K
154 155
156
157 158

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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.