We are live on ! Find out more
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
EMXC icon
3376
iShares MSCI Emerging Markets ex China ETF
EMXC
$24.6B
– –
-53,800
Closed -$3.63M
ENSC icon
3377
Ensysce Biosciences
ENSC
$6.13M
– –
-15,574
Closed -$36.9K
EOSE icon
3378
Eos Energy Enterprises
EOSE
$1.54B
– –
-1,306,831
Closed -$14.9M
EPAM icon
3379
EPAM Systems
EPAM
$5.17B
– –
-220,900
Closed -$33.3M
EPP icon
3380
iShares MSCI Pacific ex Japan ETF
EPP
$2.26B
– –
-27,000
Closed -$1.39M
EPRT icon
3381
Essential Properties Realty Trust
EPRT
$6.62B
– –
-95,200
Closed -$2.83M
EQX icon
3382
Equinox Gold
EQX
$13.5B
– –
-179,400
Closed -$2.01M
ES icon
3383
Eversource Energy
ES
$26.9B
– –
-231,580
Closed -$16.5M
ETNB
3384
DELISTED
89bio
ETNB
– –
-510,500
Closed -$7.5M
EVEX icon
3385
Eve Holding
EVEX
$948M
– –
-20,000
Closed -$76.2K
EVLV icon
3386
Evolv Technologies
EVLV
$1.03B
– –
-633,100
Closed -$4.78M
EWY icon
3387
iShares MSCI South Korea ETF
EWY
$27.2B
– –
-32,152
Closed -$2.58M
EXC icon
3388
Exelon
EXC
$46.6B
– –
-944,252
Closed -$42.5M
EXPO icon
3389
Exponent
EXPO
$3.22B
– –
-142,800
Closed -$9.92M
FALN icon
3390
iShares Fallen Angels USD Bond ETF
FALN
$1.6B
– –
-61,800
Closed -$1.72M
FAT
3391
DELISTED
FAT Brands
FAT
– –
-17,800
Closed -$34.7K
FBCG
3392
Fidelity Blue Chip Growth ETF
FBCG
$7.27B
– –
-17,400
Closed -$934K
FBRX icon
3393
Forte Biosciences
FBRX
$1.57B
– –
-16,200
Closed -$243K
FDVV icon
3394
Fidelity High Dividend ETF
FDVV
$10.4B
– –
-90,800
Closed -$5.06M
FDX icon
3395
FedEx
FDX
$77.3B
– –
-470,400
Closed -$111M
FENY icon
3396
Fidelity MSCI Energy Index ETF
FENY
$2.06B
– –
-161,600
Closed -$3.99M
FINV
3397
FinVolution Group
FINV
$1.07B
– –
-47,700
Closed -$352K
FIVE icon
3398
Five Below
FIVE
$13.2B
– –
-171,600
Closed -$26.5M
FIXD icon
3399
First Trust Smith Opportunistic Fixed Income ETF
FIXD
$3.23B
– –
-23,200
Closed -$1.03M
FLOT icon
3400
iShares Floating Rate Bond ETF
FLOT
$10.5B
– –
-849,051
Closed -$43.4M
134 135
136
137 138

Similar funds

Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return
Caisse de Depot et Placement du Quebec (CDPQ)
Caisse de Depot et Placement du Quebec (CDPQ) Montreal, Quebec, Canada $62.4B AUM 23.7% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return
CIBC World Market
CIBC World Market Toronto, Ontario, Canada $61.3B AUM 39.33% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $60.8B AUM 22.47% 1-Year Est. Return
QCM
Quantinno Capital Management New York $59.9B AUM 28.07% 1-Year Est. Return

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.