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
RNST icon
2826
Renasant Corp
RNST
$3.99B
$504K ﹤0.01%
+14,028
New +$468K
SVT
2827
DELISTED
Servotronics
SVT
$502K ﹤0.01%
+10,700
New +$302K
DAO
2828
Youdao
DAO
$2.18B
$502K ﹤0.01%
58,400
-1,900
-3% -$16.2K
YTRA icon
2829
Yatra Online
YTRA
$54.8M
$501K ﹤0.01%
514,436
+3,500
+0.7% +$2.84K
BZUN
2830
Baozun
BZUN
$167M
$500K ﹤0.01%
200,016
-13,700
-6% -$37.9K
RAPT
2831
DELISTED
RAPT Therapeutics
RAPT
$500K ﹤0.01%
62,473
-18,630
-23% -$142K
ESE icon
2832
ESCO Technologies
ESE
$7.92B
$499K ﹤0.01%
+2,600
New +$444K
SLYG icon
2833
State Street SPDR S&P 600 Small Cap Growth ETF
SLYG
$5.25B
$497K ﹤0.01%
+5,600
New +$468K
UHAL icon
2834
U-Haul Holding Co
UHAL
$14.5B
$497K ﹤0.01%
8,200
-6,666
-45% -$417K
FDBC icon
2835
Fidelity D&D Bancorp
FDBC
$322M
$496K ﹤0.01%
10,791
+400
+4% +$16.4K
AFCG
2836
AFC Gamma
AFCG
$71.2M
$496K ﹤0.01%
110,800
-21,300
-16% -$110K
URTY icon
2837
ProShares UltraPro Russell2000
URTY
$365M
$496K ﹤0.01%
+12,600
New +$415K
MGC icon
2838
Vanguard Morningstar Mega Cap ETF
MGC
$10.4B
$495K ﹤0.01%
2,200
-1,700
-44% -$352K
CTRI icon
2839
Centuri Holdings
CTRI
$2.39B
$494K ﹤0.01%
+22,000
New +$430K
VBNK
2840
VersaBank
VBNK
$658M
$491K ﹤0.01%
43,100
-54,200
-56% -$592K
PDEX icon
2841
Pro-Dex
PDEX
$215M
$491K ﹤0.01%
11,240
-4,000
-26% -$196K
BBAX icon
2842
JPMorgan BetaBuilders Developed Asia Pacific-ex Japan ETF
BBAX
$6.75B
$491K ﹤0.01%
+9,000
New +$461K
BOOT icon
2843
Boot Barn
BOOT
$4.96B
$486K ﹤0.01%
+3,200
New +$425K
QIPT
2844
DELISTED
Quipt Home Medical
QIPT
$485K ﹤0.01%
271,100
+26,500
+11% +$52.3K
OGG
2845
Osisko Gold Group Inc.
OGG
$865M
$483K ﹤0.01%
225,920
+152,520
+208% +$283K
TKNO icon
2846
Alpha Teknova
TKNO
$368M
$483K ﹤0.01%
98,365
+50,665
+106% +$298K
DFUV icon
2847
Dimensional US Marketwide Value ETF
DFUV
$16B
$482K ﹤0.01%
+11,400
New +$458K
XTNT icon
2848
Xtant Medical Holdings
XTNT
$43.2M
$481K ﹤0.01%
650,710
-60,500
-9% -$34.4K
CMCL icon
2849
Caledonia Mining Corp
CMCL
$436M
$480K ﹤0.01%
24,844
-143,849
-85% -$2.25M
ASPS icon
2850
Altisource Portfolio Solutions
ASPS
$64.4M
$480K ﹤0.01%
56,248
+1,170
+2% +$8.54K

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.