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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
+17.5%
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
$75.8B
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
FIBK icon
3626
First Interstate BancSystem
FIBK
$3.65B
– –
-218,098
Closed -$6.29M
FICO icon
3627
Fair Isaac
FICO
$22.3B
– –
-18,100
Closed -$33.1M
ZSTK
3628
ZeroStack Corp
ZSTK
$20.5M
– –
-2,041
Closed -$46.2K
FMAO icon
3629
Farmers & Merchants Bancorp
FMAO
$485M
– –
-11,081
Closed -$280K
FNGR icon
3630
FingerMotion
FNGR
$18.7M
– –
-29,300
Closed -$59.5K
FORM icon
3631
FormFactor
FORM
$10B
– –
-142,968
Closed -$4.92M
FPEI icon
3632
First Trust Institutional Preferred Securities and Income ETF
FPEI
$1.94B
– –
-115,827
Closed -$2.2M
FRHC icon
3633
Freedom Holding
FRHC
$9.71B
– –
-6,600
Closed -$964K
FRSX
3634
Foresight Autonomous Holdings
FRSX
$4.08M
– –
-2,317
Closed -$22.6K
FSMD icon
3635
Fidelity Small-Mid Multifactor ETF
FSMD
$2.61B
– –
-8,300
Closed -$344K
FTCS icon
3636
First Trust Capital Strength ETF
FTCS
$7.97B
– –
-3,100
Closed -$282K
FULT icon
3637
Fulton Financial
FULT
$4.67B
– –
-151,645
Closed -$2.74M
FUN icon
3638
Cedar Fair
FUN
$1.65B
– –
-141,090
Closed -$4.29M
FXF icon
3639
Invesco CurrencyShares Swiss Franc Trust
FXF
$396M
– –
-8,800
Closed -$984K
GB
3640
DELISTED
Global Blue Group Holding
GB
– –
-274,200
Closed -$2.05M
GD icon
3641
General Dynamics
GD
$106B
– –
-30,000
Closed -$8.75M
GDOT icon
3642
Green Dot
GDOT
$768M
– –
-11,500
Closed -$124K
GDXJ icon
3643
VanEck Junior Gold Miners ETF
GDXJ
$8.61B
– –
-97,500
Closed -$6.59M
GE icon
3644
GE Aerospace
GE
$381B
– –
-914,159
Closed -$235M
GLBE icon
3645
Global E Online
GLBE
$6.81B
– –
-217,100
Closed -$7.28M
GORV
3646
DELISTED
Lazydays
GORV
– –
-1,530
Closed -$11.2K
GPN icon
3647
Global Payments
GPN
$22.5B
– –
-3,649
Closed -$292K
GPOR icon
3648
Gulfport Energy Corp
GPOR
$3.01B
– –
-44,500
Closed -$8.95M
GSHD icon
3649
Goosehead Insurance
GSHD
$2.31B
– –
-9,500
Closed -$1M
GTBP icon
3650
GT Biopharma
GTBP
$11M
– –
-26,300
Closed -$94.2K
144 145
146
147 148

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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.