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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
CPRI icon
3601
Capri Holdings
CPRI
$1.79B
– –
-151,100
Closed -$2.98M
CQQQ icon
3602
Invesco China Technology ETF
CQQQ
$3.19B
– –
-57,200
Closed -$2.53M
CRDO icon
3603
Credo Technology Group
CRDO
$49.3B
– –
-10,500
Closed -$422K
CRSR icon
3604
Corsair Gaming
CRSR
$1.46B
– –
-217,070
Closed -$1.92M
CSCO icon
3605
Cisco
CSCO
$445B
– –
-7,800
Closed -$481K
CTLP
3606
DELISTED
Cantaloupe
CTLP
– –
-331,400
Closed -$2.61M
CTOS icon
3607
Custom Truck One Source
CTOS
$2.35B
– –
-53,200
Closed -$225K
CWD icon
3608
CaliberCos
CWD
$5.94M
– –
-1,997
Closed -$22.1K
CWK icon
3609
Cushman & Wakefield Ltd
CWK
$3.37B
– –
-354,200
Closed -$3.62M
D icon
3610
Dominion Energy
D
$60.2B
– –
-1,095,136
Closed -$61.4M
DADA
3611
DELISTED
Dada Nexus
DADA
– –
-2,033,100
Closed -$3.76M
DD icon
3612
DuPont de Nemours
DD
$19.4B
– –
-712,887
Closed -$66.8M
DEA
3613
Easterly Government Properties
DEA
$1.18B
– –
-39,447
Closed -$1.05M
DECK icon
3614
Deckers Outdoor
DECK
$12.7B
– –
-147,580
Closed -$16.5M
DFS
3615
DELISTED
Discover Financial Services
DFS
– –
-297,236
Closed -$50.7M
DLX icon
3616
Deluxe
DLX
$1.12B
– –
-34,900
Closed -$552K
DTCK
3617
DELISTED
Davis Commodities
DTCK
– –
-1,194
Closed -$21.1K
DTM icon
3618
DT Midstream
DTM
$13.8B
– –
-11,200
Closed -$1.08M
DVY icon
3619
iShares Select Dividend ETF
DVY
$24B
– –
-2,100
Closed -$282K
DX
3620
Dynex Capital
DX
$3.23B
– –
-1,434,323
Closed -$18.7M
DXC icon
3621
DXC Technology
DXC
$1.8B
– –
-220,491
Closed -$3.76M
EFA icon
3622
iShares MSCI EAFE ETF
EFA
$80.3B
– –
-191,600
Closed -$15.7M
EFC
3623
Ellington Financial
EFC
$1.76B
– –
-14,051
Closed -$186K
EFV icon
3624
iShares MSCI EAFE Value ETF
EFV
$30.1B
– –
-156,700
Closed -$9.24M
CHRN
3625
ChronoScale Holdings
CHRN
$2.99B
– –
-5,474
Closed -$33.1K
143 144
145
146 147

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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.