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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
+1.01%
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
$66.1B
AUM Growth
-$1.48B
Cap. Flow
+$425M
Cap. Flow %
0.64%
Top 10 Hldgs %
10.65%
Holding
3,989
New
456
Increased
1,472
Reduced
1,441
Closed
583

Top Buys

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$513M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$412M
3
META icon
Meta Platforms (Facebook)
META
+$354M
4
NOW icon
ServiceNow
NOW
+$262M
5
AAL icon
American Airlines Group
AAL
+$259M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$571M
2
AAPL icon
Apple
AAPL
+$571M
3
NFLX icon
Netflix
NFLX
+$388M
4
NVDA icon
NVIDIA
NVDA
+$313M
5
TSM icon
TSMC
TSM
+$211M

Sector Composition

Rank Sector Weight
1 Technology 17.32%
2 Healthcare 15.28%
3 Consumer Discretionary 11.85%
4 Financials 11.11%
5 Industrials 8.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SILO icon
3801
Silo Pharma
SILO
$4.07M
– –
-2,500
Closed -$33.4K
SINT icon
3802
SiNtx Technologies
SINT
$10.5M
– –
-21,900
Closed -$76.7K
SITE icon
3803
SiteOne Landscape Supply
SITE
$4.25B
– –
-76,200
Closed -$10M
SITM icon
3804
SiTime
SITM
$20.7B
– –
-11,400
Closed -$2.45M
SKYX icon
3805
SKYX Platforms
SKYX
$163M
– –
-70,850
Closed -$82.2K
SLNG icon
3806
Stabilis Solutions
SLNG
$95.4M
– –
-10,500
Closed -$56.2K
SLNH icon
3807
Soluna Holdings
SLNH
$211M
– –
-77,900
Closed -$164K
SLP icon
3808
Simulations Plus
SLP
$371M
– –
-45,100
Closed -$1.26M
SMCI icon
3809
Super Micro Computer
SMCI
$22.9B
– –
-1,637,100
Closed -$49.9M
SMIN icon
3810
iShares MSCI India Small-Cap ETF
SMIN
$771M
– –
-39,200
Closed -$3M
SMPL icon
3811
Simply Good Foods
SMPL
$962M
– –
-173,600
Closed -$6.77M
SNOW icon
3812
Snowflake
SNOW
$117B
– –
-168,000
Closed -$25.9M
SNPE icon
3813
Xtrackers S&P 500 ESG ETF
SNPE
$2.78B
– –
-38,800
Closed -$2.07M
SNTI icon
3814
Senti Biosciences Holdings
SNTI
$11.5M
– –
-51,600
Closed -$181K
SPCB icon
3815
SuperCom
SPCB
$67.2M
– –
-10,300
Closed -$49.6K
SPHR icon
3816
Sphere Entertainment
SPHR
$6.16B
– –
-158,314
Closed -$6.38M
SPHQ icon
3817
Invesco S&P 500 Quality ETF
SPHQ
$19.9B
– –
-13,800
Closed -$925K
SPYM
3818
State Street SPDR Portfolio S&P 500 ETF
SPYM
$168B
– –
-96,400
Closed -$6.65M
SPMO icon
3819
Invesco S&P 500 Momentum ETF
SPMO
$22.1B
– –
-44,200
Closed -$4.2M
SPSM icon
3820
State Street SPDR Portfolio S&P 600 Small Cap ETF
SPSM
$17.4B
– –
-35,500
Closed -$1.59M
SPWR icon
3821
SunPower Inc
SPWR
$44M
– –
-286,100
Closed -$512K
SPYG icon
3822
State Street SPDR Portfolio S&P 500 Growth ETF
SPYG
$55.2B
– –
-45,000
Closed -$3.96M
SRG
3823
Seritage Growth Properties
SRG
$135M
– –
-11,800
Closed -$48.6K
STKH
3824
Steakholder Foods
STKH
$2.08M
– –
-108
Closed -$22.1K
STLD icon
3825
Steel Dynamics
STLD
$37.6B
– –
-12,900
Closed -$1.47M
151 152
153
154 155

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Jim Simons's Q1 2025 Portfolio in Review

As of Q1 2025, Jim Simons held 3,989 positions worth $66.1B, down 2.2% from $67.6B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2025 filing shows 456 new, 1,472 increased, 1,441 reduced and 583 closed positions. Its largest new stake was ServiceNow: 1,361,505 shares worth $217M. The largest sale was Palantir, an estimated $571M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, down from 21% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q1 2025 buy was ServiceNow: 1,361,505 shares worth $217M.
  • Jim Simons added most to Broadcom in Q1 2025, an estimated $513M increase.
  • Jim Simons's biggest Q1 2025 reduction was Palantir, cutting an estimated $571M.
  • Jim Simons fully exited Nike in Q1 2025, selling an estimated $197M.
  • Jim Simons's ten largest holdings make up 11% of its $66.1B portfolio in Q1 2025.
  • Jim Simons opened 456 new positions and closed 583 in Q1 2025.
  • Jim Simons's portfolio value fell 2.2% quarter-over-quarter to $66.1B.

Based on Renaissance Technologies's 13F filing for Q1 2025, filed 14 May 2025.