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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
+1.01%
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
$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
CDW icon
3501
CDW
CDW
$17.8B
– –
-149,798
Closed -$26.1M
CELU icon
3502
Celularity
CELU
$20.1M
– –
-11,000
Closed -$22.9K
CENX icon
3503
Century Aluminum
CENX
$4.59B
– –
-229,699
Closed -$4.19M
CFLT
3504
DELISTED
Confluent
CFLT
– –
-69,000
Closed -$1.93M
CGGR icon
3505
Capital Group Growth ETF
CGGR
$25.3B
– –
-81,000
Closed -$3.01M
CGUS icon
3506
Capital Group Core Equity ETF
CGUS
$11.9B
– –
-67,100
Closed -$2.35M
CHTR icon
3507
Charter Communications
CHTR
$18.7B
– –
-274,500
Closed -$94.1M
CISO
3508
CISO Global
CISO
$12.2M
– –
-19,200
Closed -$66.6K
CISS
3509
C3is
CISS
$121K
– –
-14
Closed -$16.8K
CLNN icon
3510
Clene
CLNN
$53.5M
– –
-18,040
Closed -$95.8K
CMA
3511
DELISTED
Comerica
CMA
– –
-252,647
Closed -$15.6M
CMC icon
3512
Commercial Metals
CMC
$7.98B
– –
-149,100
Closed -$7.4M
CMCT
3513
Creative Media & Community Trust
CMCT
$15M
– –
-28
Closed -$157K
CMP icon
3514
Compass Minerals
CMP
$1.1B
– –
-225,200
Closed -$2.53M
CNX icon
3515
CNX Resources
CNX
$5.23B
– –
-20,316
Closed -$745K
COF icon
3516
Capital One
COF
$137B
– –
-308,899
Closed -$55.1M
COO icon
3517
Cooper Companies
COO
$14.9B
– –
-117,292
Closed -$10.8M
COPX icon
3518
Global X Copper Miners ETF NEW
COPX
$7.97B
– –
-43,200
Closed -$1.65M
COR icon
3519
Cencora
COR
$59.2B
– –
-550,700
Closed -$124M
CRDF icon
3520
Cardiff Oncology
CRDF
$76.6M
– –
-483,090
Closed -$2.1M
CRMD icon
3521
CorMedix
CRMD
$639M
– –
-134,000
Closed -$1.09M
CRWD icon
3522
CrowdStrike
CRWD
$230B
– –
-203,600
Closed -$17.4M
CVLG icon
3523
Covenant Logistics
CVLG
$880M
– –
-9,600
Closed -$262K
CVRX icon
3524
CVRx
CVRX
$78.3M
– –
-40,200
Closed -$509K
CXT icon
3525
Crane NXT
CXT
$2.96B
– –
-31,900
Closed -$1.86M
139 140
141
142 143

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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.