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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
+16.99%
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
$75.2B
AUM Growth
+$9.1B
Cap. Flow
+$1.81B
Cap. Flow %
2.4%
Top 10 Hldgs %
12.06%
Holding
4,018
New
612
Increased
1,577
Reduced
1,314
Closed
496

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$798M
2
NFLX icon
Netflix
NFLX
+$608M
3
UNH icon
UnitedHealth
UNH
+$517M
4
AAPL icon
Apple
AAPL
+$461M
5
GEV icon
GE Vernova
GEV
+$296M

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$527M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$372M
3
META icon
Meta Platforms (Facebook)
META
+$362M
4
AMD icon
Advanced Micro Devices
AMD
+$328M
5
PLTR icon
Palantir
PLTR
+$327M

Sector Composition

Rank Sector Weight
1 Technology 19.57%
2 Healthcare 15.8%
3 Consumer Discretionary 12.38%
4 Financials 11.53%
5 Industrials 8.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
OSK icon
3801
Oshkosh
OSK
$9.62B
– –
-55,200
Closed -$5.19M
PARAA
3802
DELISTED
Paramount Global Class A
PARAA
– –
-16,866
Closed -$384K
PCG icon
3803
PG&E
PCG
$38.1B
– –
-27,200
Closed -$467K
PCH
3804
DELISTED
PotlatchDeltic
PCH
– –
-76,199
Closed -$3.44M
PDBC icon
3805
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$6.66B
– –
-232,100
Closed -$3.16M
PESI icon
3806
Perma-Fix Environmental Services
PESI
$370M
– –
-11,474
Closed -$83.4K
PFG icon
3807
Principal Financial Group
PFG
$24.2B
– –
-91,000
Closed -$7.68M
PI icon
3808
Impinj
PI
$5.32B
– –
-66,900
Closed -$6.07M
PIII icon
3809
P3 Health Partners
PIII
$41.1M
– –
-8,117
Closed -$66.6K
PKG icon
3810
Packaging Corp of America
PKG
$22.9B
– –
-49,200
Closed -$9.74M
PLAG icon
3811
Planet Green Holdings
PLAG
$82.7M
– –
-16,200
Closed -$19.9K
PLNT icon
3812
Planet Fitness
PLNT
$3.62B
– –
-145,500
Closed -$14.1M
PLSE icon
3813
Pulse Biosciences
PLSE
$3.17B
– –
-67,800
Closed -$1.09M
PNC icon
3814
PNC Financial Services
PNC
$101B
– –
-136,799
Closed -$24M
PNR icon
3815
Pentair
PNR
$10.7B
– –
-155,564
Closed -$13.6M
PODC icon
3816
PodcastOne
PODC
$100M
– –
-11,600
Closed -$18.7K
PPLT
3817
abrdn Physical Platinum Shares ETF
PPLT
$2.03B
– –
-280,000
Closed -$2.56M
PRCT icon
3818
Procept Biorobotics
PRCT
$1.31B
– –
-314,466
Closed -$18.3M
PRPO icon
3819
Precipio
PRPO
$39.9M
– –
-10,700
Closed -$67.1K
PRZO icon
3820
ParaZero Technologies
PRZO
$15.5M
– –
-146,100
Closed -$108K
PSN icon
3821
Parsons
PSN
$5.15B
– –
-226,400
Closed -$13.4M
PSQ icon
3822
ProShares Short QQQ
PSQ
$647M
– –
-28,200
Closed -$1.15M
PULS icon
3823
PGIM Ultra Short Bond ETF
PULS
$18.4B
– –
-2,313,100
Closed -$115M
PYPL icon
3824
PayPal
PYPL
$50.5B
– –
-473,930
Closed -$30.9M
QQQM icon
3825
Invesco NASDAQ 100 ETF
QQQM
$102B
– –
-9,100
Closed -$1.76M
151 152
153
154 155

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Jim Simons's Q2 2025 Portfolio in Review

As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
  • Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
  • Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
  • Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
  • Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
  • Jim Simons opened 612 new positions and closed 496 in Q2 2025.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.