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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
+17.5%
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
$75.8B
AUM Growth
+$582M
Cap. Flow
-$5.41B
Cap. Flow %
-7.14%
Top 10 Hldgs %
11.47%
Holding
4,038
New
516
Increased
1,457
Reduced
1,457
Closed
581

Top Buys

Rank Stock Value
1
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$546M
2
MSFT icon
Microsoft
MSFT
+$480M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$362M
4
META icon
Meta Platforms (Facebook)
META
+$350M
5
KO icon
Coca-Cola
KO
+$266M

Top Sells

Rank Stock Value
1
HOOD icon
Robinhood
HOOD
+$1.04B
2
PLTR icon
Palantir
PLTR
+$800M
3
AAPL icon
Apple
AAPL
+$516M
4
NFLX icon
Netflix
NFLX
+$326M
5
NVDA icon
NVIDIA
NVDA
+$313M

Sector Composition

Rank Sector Weight
1 Technology 21.71%
2 Healthcare 15.16%
3 Consumer Discretionary 11.81%
4 Communication Services 10.53%
5 Financials 9.27%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
DBI icon
3576
Designer Brands
DBI
$312M
– –
-239,730
Closed -$571K
DEM icon
3577
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.98B
– –
-16,473
Closed -$746K
DFAI
3578
Dimensional International Core Equity Market ETF
DFAI
$18B
– –
-9,200
Closed -$318K
DFAX icon
3579
Dimensional World ex US Core Equity 2 ETF
DFAX
$12.5B
– –
-11,800
Closed -$347K
DFEM icon
3580
Dimensional Emerging Markets Core Equity 2 ETF
DFEM
$9.38B
– –
-8,600
Closed -$255K
DFIC icon
3581
Dimensional International Core Equity 2 ETF
DFIC
$15.3B
– –
-16,800
Closed -$522K
DFH icon
3582
Dream Finders Homes
DFH
$1.35B
– –
-13,300
Closed -$334K
DFIV icon
3583
Dimensional International Value ETF
DFIV
$21.7B
– –
-40,400
Closed -$1.73M
DFUV icon
3584
Dimensional US Marketwide Value ETF
DFUV
$16B
– –
-11,400
Closed -$482K
DJCO icon
3585
Daily Journal
DJCO
$828M
– –
-1,411
Closed -$596K
DKS icon
3586
Dick's Sporting Goods
DKS
$18.1B
– –
-275,340
Closed -$54.5M
DOMH icon
3587
Dominari Holdings
DOMH
$70.3M
– –
-17,926
Closed -$97.5K
DPST icon
3588
Direxion Daily Regional Banks Bull 3X ETF
DPST
$414M
– –
-4,400
Closed -$382K
DRIO icon
3589
DarioHealth
DRIO
$71.5M
– –
-6,490
Closed -$87K
DRRX
3590
DELISTED
DURECT Corp
DRRX
– –
-177,766
Closed -$113K
EA
3591
DELISTED
Electronic Arts
EA
– –
-386,764
Closed -$61.8M
ECH icon
3592
iShares MSCI Chile ETF
ECH
$1.03B
– –
-31,400
Closed -$988K
EFSC icon
3593
Enterprise Financial Services Corp
EFSC
$2.4B
– –
-20,700
Closed -$1.14M
EFX icon
3594
Equifax
EFX
$21.8B
– –
-85,995
Closed -$22.3M
ELEV
3595
DELISTED
Elevation Oncology
ELEV
– –
-165,829
Closed -$60.9K
ELV icon
3596
Elevance Health
ELV
$86.4B
– –
-53,573
Closed -$20.8M
EMB icon
3597
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$15B
– –
-223,600
Closed -$20.7M
EMLC icon
3598
VanEck JP Morgan EM Local Currency Bond ETF
EMLC
$4.79B
– –
-613,300
Closed -$15.5M
ENGN icon
3599
enGene Therapeutics
ENGN
$113M
– –
-11,400
Closed -$41.5K
ENOV icon
3600
Enovis
ENOV
$1.48B
– –
-75,967
Closed -$2.38M
142 143
144
145 146

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Jim Simons's Q3 2025 Portfolio in Review

As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.

  • Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
  • Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
  • Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
  • Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
  • Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
  • Jim Simons opened 516 new positions and closed 581 in Q3 2025.
  • Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.

Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.