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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
+2.8%
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
$64.5B
AUM Growth
-$11.3B
Cap. Flow
-$10.1B
Cap. Flow %
-15.68%
Top 10 Hldgs %
12.13%
Holding
3,923
New
466
Increased
1,028
Reduced
1,682
Closed
737

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$616M
2
NFLX icon
Netflix
NFLX
+$481M
3
MU icon
Micron Technology
MU
+$416M
4
TSLA icon
Tesla
TSLA
+$416M
5
PG icon
Procter & Gamble
PG
+$322M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$885M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$660M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$463M
4
APP icon
Applovin
APP
+$430M
5
META icon
Meta Platforms (Facebook)
META
+$354M

Sector Composition

Rank Sector Weight
1 Technology 20.84%
2 Healthcare 15.77%
3 Consumer Discretionary 13.88%
4 Industrials 9.94%
5 Financials 8.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
VSTA
3801
DELISTED
Vasta Platform
VSTA
– –
-70,016
Closed -$348K
VTIP icon
3802
Vanguard Short-Term Inflation-Protected Securities Index Fund
VTIP
$19.8B
– –
-730,300
Closed -$37M
VVOS icon
3803
Vivos Therapeutics
VVOS
$4.37M
– –
-39,279
Closed -$122K
VVX icon
3804
V2X
VVX
$2.52B
– –
-16,200
Closed -$941K
VZLA
3805
Vizsla Silver
VZLA
$1.34B
– –
-1,443,600
Closed -$6.24M
WAFD icon
3806
WaFd
WAFD
$2.82B
– –
-120,729
Closed -$3.66M
WAVE
3807
Eco Wave Power Global
WAVE
$44.8M
– –
-11,402
Closed -$97.5K
WBD icon
3808
Warner Bros
WBD
$67.9B
– –
-2,177,400
Closed -$42.5M
WCC
3809
WESCO International
WCC
$17.8B
– –
-13,274
Closed -$2.81M
WDAY icon
3810
Workday
WDAY
$44.8B
– –
-37,100
Closed -$8.93M
WERN icon
3811
Werner Enterprises
WERN
$2.18B
– –
-56,763
Closed -$1.49M
WF icon
3812
Woori Financial
WF
$17.1B
– –
-8,200
Closed -$460K
WH icon
3813
Wyndham Hotels & Resorts
WH
$5.38B
– –
-57,100
Closed -$4.56M
WING icon
3814
Wingstop
WING
$3.03B
– –
-305,746
Closed -$77M
WKHS icon
3815
Workhorse Group
WKHS
$34.1M
– –
-22,542
Closed -$298K
WLK icon
3816
Westlake Corp
WLK
$10.3B
– –
-25,900
Closed -$2M
WM icon
3817
Waste Management
WM
$90.7B
– –
-151,500
Closed -$33.5M
WNW icon
3818
Meiwu Technology Co
WNW
$76.6M
– –
-135
Closed -$26.6K
WOOF icon
3819
Petco
WOOF
$782M
– –
-580,600
Closed -$2.25M
WOW
3820
DELISTED
WideOpenWest
WOW
– –
-613,500
Closed -$3.17M
WPM icon
3821
Wheaton Precious Metals
WPM
$61B
– –
-308,767
Closed -$34.5M
WPP icon
3822
WPP
WPP
$5.83B
– –
-25,700
Closed -$644K
WT icon
3823
WisdomTree
WT
$3.33B
– –
-553,602
Closed -$7.7M
WTRG icon
3824
Essential Utilities
WTRG
$11.4B
– –
-305,317
Closed -$12.2M
WTW icon
3825
Willis Towers Watson
WTW
$31.8B
– –
-140,820
Closed -$48.6M
151 152
153
154 155

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Jim Simons's Q4 2025 Portfolio in Review

As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.

By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.

Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.

  • Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
  • Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
  • Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
  • Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
  • Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
  • Jim Simons opened 466 new positions and closed 737 in Q4 2025.
  • Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.