We are live on ! Find out more
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
+16.99%
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
$75.2B
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

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
CYTK icon
3001
Cytokinetics
CYTK
$10.2B
$336K ﹤0.01%
10,167
-110,500
-92% -$3.84M
AMCX icon
3002
AMC Global Media
AMCX
$485M
$335K ﹤0.01%
+53,500
New +$338K
TNGX icon
3003
Tango Therapeutics
TNGX
$4.32B
$335K ﹤0.01%
65,500
-109,000
-62% -$270K
DFH icon
3004
Dream Finders Homes
DFH
$1.35B
$334K ﹤0.01%
13,300
-96,310
-88% -$2.16M
IRIX icon
3005
IRIDEX
IRIX
$14.3M
$334K ﹤0.01%
378,760
-400
-0.1% -$407
QRHC icon
3006
Quest Resource Holding
QRHC
$30M
$333K ﹤0.01%
165,092
-16,900
-9% -$38.8K
OST icon
3007
Ostin Technology Group
OST
$333K ﹤0.01%
+84,192
New +$8.51M
AIFC
3008
AI Financial Corp
AIFC
$58.9M
$333K ﹤0.01%
45,900
-46,267
-50% -$325K
RNXT icon
3009
RenovoRx
RNXT
$56.8M
$331K ﹤0.01%
251,800
+224,144
+810% +$255K
IIIV icon
3010
i3 Verticals
IIIV
$323M
$330K ﹤0.01%
12,000
-8,300
-41% -$208K
UHG
3011
DELISTED
United Homes Group
UHG
$329K ﹤0.01%
+113,500
New +$295K
EPI icon
3012
WisdomTree India Earnings Fund ETF
EPI
$2.04B
$328K ﹤0.01%
+6,900
New +$313K
OTLY
3013
Oatly Group
OTLY
$441M
$327K ﹤0.01%
27,549
-3,129
-10% -$33K
LITS
3014
Lite Strategy Inc
LITS
$31.4M
$327K ﹤0.01%
132,346
-2,100
-2% -$4.49K
CWAN
3015
DELISTED
Clearwater Analytics
CWAN
$327K ﹤0.01%
14,899
-1,344,201
-99% -$30.9M
FWDI
3016
Forward Industries Inc
FWDI
$305M
$325K ﹤0.01%
55,593
+3,901
+8% +$25.1K
ORMP icon
3017
Oramed Pharmaceuticals
ORMP
$182M
$324K ﹤0.01%
144,200
+1,700
+1% +$3.75K
NEWP
3018
New Pacific Metals
NEWP
$1.24B
$323K ﹤0.01%
241,314
-91,511
-27% -$116K
NVCT icon
3019
Nuvectis Pharma
NVCT
$627M
$321K ﹤0.01%
+43,000
New +$390K
MDXH icon
3020
MDxHealth
MDXH
$23.7M
$321K ﹤0.01%
145,273
+23,073
+19% +$43.3K
AHT
3021
Ashford Hospitality Trust
AHT
$20.2M
$320K ﹤0.01%
53,103
+1,100
+2% +$6.67K
NMTC icon
3022
NeuroOne Medical Technologies
NMTC
$15.9M
$318K ﹤0.01%
+78,150
New +$289K
DFAI
3023
Dimensional International Core Equity Market ETF
DFAI
$18B
$318K ﹤0.01%
+9,200
New +$301K
COOK icon
3024
Traeger
COOK
$172M
$318K ﹤0.01%
3,718
+646
+21% +$49.6K
TLT icon
3025
iShares 20+ Year Treasury Bond ETF
TLT
$40.8B
$318K ﹤0.01%
3,600
-89,686
-96% -$7.82M

Similar funds

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.