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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
GXAI
3651
Gaxos.ai
GXAI
$9.29M
– –
-27,963
Closed -$39.4K
HACK icon
3652
Amplify Cybersecurity ETF
HACK
$2.99B
– –
-3,500
Closed -$302K
HDB icon
3653
HDFC Bank
HDB
$119B
– –
-97,200
Closed -$3.73M
HEFA icon
3654
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.78B
– –
-16,700
Closed -$634K
HEI.A icon
3655
HEICO Corp Class A
HEI.A
$37.5B
– –
-3,258
Closed -$843K
HES
3656
DELISTED
Hess
HES
– –
-315,863
Closed -$43.8M
HIVE
3657
HIVE Digital Technologies
HIVE
$744M
– –
-2,015,200
Closed -$3.63M
HIW icon
3658
Highwoods Properties
HIW
$3.43B
– –
-265,600
Closed -$8.26M
HLMN icon
3659
Hillman Solutions
HLMN
$1.73B
– –
-88,500
Closed -$632K
HLVX
3660
DELISTED
HilleVax
HLVX
– –
-54,100
Closed -$108K
HOMB icon
3661
Home BancShares
HOMB
$6.2B
– –
-29,739
Closed -$846K
HOOK
3662
DELISTED
HOOKIPA Pharma
HOOK
– –
-45,570
Closed -$57.2K
HPK icon
3663
HighPeak Energy
HPK
$924M
– –
-13,700
Closed -$134K
HQY icon
3664
HealthEquity
HQY
$8.82B
– –
-62,100
Closed -$6.51M
HTLD icon
3665
Heartland Express
HTLD
$946M
– –
-405,833
Closed -$3.51M
HXL icon
3666
Hexcel
HXL
$7.73B
– –
-444,300
Closed -$25.1M
HYG icon
3667
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
– –
-920,000
Closed -$74.2M
HYGV icon
3668
FlexShares High Yield Value-Scored Bond Index Fund
HYGV
$1.1B
– –
-4,900
Closed -$201K
HYLS icon
3669
First Trust Exchange-Traded Fund IV First Trust Tactical High Yield ETF
HYLS
$1.64B
– –
-56,535
Closed -$2.36M
PPLI
3670
People Inc
PPLI
$3.05B
– –
-42,127
Closed -$1.57M
IAS
3671
DELISTED
Integral Ad Science
IAS
– –
-232,300
Closed -$1.93M
IBDR icon
3672
iShares iBonds Dec 2026 Term Corporate ETF
IBDR
$3.38B
– –
-689,186
Closed -$16.7M
IBOC icon
3673
International Bancshares
IBOC
$4.52B
– –
-3,700
Closed -$246K
ICAD
3674
DELISTED
iCAD Inc
ICAD
– –
-349,690
Closed -$1.33M
ICLR icon
3675
Icon
ICLR
$12.9B
– –
-324,824
Closed -$47.2M
145 146
147
148 149

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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.