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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
FLNC icon
3576
Fluence Energy
FLNC
$2.44B
– –
-140,592
Closed -$2.23M
FN icon
3577
Fabrinet
FN
$20.3B
– –
-57,200
Closed -$12.6M
FNGD icon
3578
MicroSectors FANG+ Index -3X Inverse Leveraged ETNs due January 8, 2038
FNGD
$312M
– –
-1,639
Closed -$224K
FORM icon
3579
FormFactor
FORM
$10.3B
– –
-36,568
Closed -$1.61M
FRPT icon
3580
Freshpet
FRPT
$3.5B
– –
-155,596
Closed -$23M
FSEC icon
3581
Fidelity Investment Grade Securitized ETF
FSEC
$4.65B
– –
-11,100
Closed -$472K
FUTY icon
3582
Fidelity MSCI Utilities Index ETF
FUTY
$2.31B
– –
-5,400
Closed -$263K
GBTC icon
3583
Grayscale Bitcoin Trust
GBTC
$9.51B
– –
-15,000
Closed -$1.11M
GCTK icon
3584
GlucoTrack
GCTK
$2.82M
– –
-20
Closed -$8.96K
GDC icon
3585
GD Culture Group
GDC
$7.78M
– –
-105
Closed -$49.5K
GDEN
3586
DELISTED
Golden Entertainment
GDEN
– –
-23,062
Closed -$729K
GEN icon
3587
Gen Digital
GEN
$17.7B
– –
-117,326
Closed -$3.21M
GENI icon
3588
Genius Sports
GENI
$2.2B
– –
-29,200
Closed -$253K
GEVO icon
3589
Gevo
GEVO
$401M
– –
-432,330
Closed -$904K
GFL icon
3590
GFL Environmental
GFL
$15B
– –
-24,047
Closed -$1.07M
GFS icon
3591
GlobalFoundries
GFS
$28.9B
– –
-23,400
Closed -$1M
GHC icon
3592
Graham Holdings Company
GHC
$4.97B
– –
-2,504
Closed -$2.18M
GHRS icon
3593
GH Research
GHRS
$1.94B
– –
-30,300
Closed -$212K
GKOS icon
3594
Glaukos
GKOS
$11.2B
– –
-49,600
Closed -$7.44M
GLBS icon
3595
Globus Maritime Ltd
GLBS
$80.3M
– –
-16,300
Closed -$19.1K
GLW icon
3596
Corning
GLW
$137B
– –
-309,800
Closed -$14.7M
CBIO
3597
Crescent Biopharma
CBIO
$618M
– –
-412
Closed -$10.2K
MRDN
3598
Meridian Holdings Inc
MRDN
$178M
– –
-1,692
Closed -$40.2K
GMS
3599
DELISTED
GMS Inc
GMS
– –
-63,200
Closed -$5.36M
GOGL
3600
DELISTED
Golden Ocean Group
GOGL
– –
-139,907
Closed -$1.25M
142 143
144
145 146

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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.