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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
+16.99%
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
$75.2B
AUM Growth
+$9.1B
Cap. Flow
+$1.81B
Cap. Flow %
2.4%
Top 10 Hldgs %
12.06%
Holding
4,018
New
612
Increased
1,577
Reduced
1,314
Closed
496

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$798M
2
NFLX icon
Netflix
NFLX
+$608M
3
UNH icon
UnitedHealth
UNH
+$517M
4
AAPL icon
Apple
AAPL
+$461M
5
GEV icon
GE Vernova
GEV
+$296M

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$527M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$372M
3
META icon
Meta Platforms (Facebook)
META
+$362M
4
AMD icon
Advanced Micro Devices
AMD
+$328M
5
PLTR icon
Palantir
PLTR
+$327M

Sector Composition

Rank Sector Weight
1 Technology 19.57%
2 Healthcare 15.8%
3 Consumer Discretionary 12.38%
4 Financials 11.53%
5 Industrials 8.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
JDST icon
3726
Direxion Daily Junior Gold Miners Index Bear 2X ETF
JDST
$19.2M
– –
-1,870
Closed -$603K
JEPQ icon
3727
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.6B
– –
-15,900
Closed -$823K
JETS icon
3728
US Global Jets ETF
JETS
$822M
– –
-159,000
Closed -$3.3M
JHX icon
3729
James Hardie Industries
JHX
$17.7B
– –
-95,427
Closed -$2.25M
JPST icon
3730
JPMorgan Ultra-Short Income ETF
JPST
$40.6B
– –
-2,277,600
Closed -$115M
JWN
3731
DELISTED
Nordstrom
JWN
– –
-420,100
Closed -$10.3M
JYD icon
3732
Jayud Global Logistics
JYD
$8.3M
– –
-860
Closed -$331K
KIE icon
3733
State Street SPDR S&P Insurance ETF
KIE
$676M
– –
-4,000
Closed -$242K
TBHC
3734
DELISTED
The Brand House Collective
TBHC
– –
-20,385
Closed -$25.7K
KLAC icon
3735
KLA
KLAC
$269B
– –
-911,090
Closed -$61.9M
KMI icon
3736
Kinder Morgan
KMI
$70.5B
– –
-225,400
Closed -$6.43M
KNX icon
3737
Knight Transportation
KNX
$11.5B
– –
-78,527
Closed -$3.42M
KRON
3738
DELISTED
Kronos Bio
KRON
– –
-1,102,326
Closed -$909K
KRUS icon
3739
Kura Sushi USA
KRUS
$607M
– –
-15,400
Closed -$788K
KWEB icon
3740
KraneShares CSI China Internet ETF
KWEB
$5.45B
– –
-266,900
Closed -$9.32M
LADR
3741
Ladder Capital
LADR
$1.26B
– –
-95,841
Closed -$1.09M
LAMR icon
3742
Lamar Advertising Co
LAMR
$15.7B
– –
-58,512
Closed -$6.66M
LAND
3743
Gladstone Land Corp
LAND
$356M
– –
-243,600
Closed -$2.56M
HAPN
3744
Happen Inc
HAPN
$2.22B
– –
-326,220
Closed -$3.37M
LEVI icon
3745
Levi Strauss
LEVI
$8.6B
– –
-22,200
Closed -$346K
LFUS icon
3746
Littelfuse
LFUS
$11.7B
– –
-31,434
Closed -$6.18M
LGMK
3747
DELISTED
LogicMark
LGMK
– –
-612,107
Closed -$12.1K
LHX icon
3748
L3Harris
LHX
$52.7B
– –
-35,700
Closed -$7.47M
LIT icon
3749
Global X Lithium & Battery Tech ETF
LIT
$1.62B
– –
-42,900
Closed -$1.66M
LMND icon
3750
Lemonade
LMND
$4.06B
– –
-73,907
Closed -$2.32M
148 149
150
151 152

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Jim Simons's Q2 2025 Portfolio in Review

As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
  • Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
  • Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
  • Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
  • Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
  • Jim Simons opened 612 new positions and closed 496 in Q2 2025.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.