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Jim Simons

Jim Simons Renaissance Technologies

AUM $72.6B Turnover 31.08%
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
+24.48%
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
$72.6B
AUM Growth
+$8.69B
Cap. Flow
+$958M
Cap. Flow %
1.32%
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5 years
Top 10 Avg Time Held
1.5 years
Top 20 Avg Time Held
1.3 years

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$1.08B
2
NVDA icon
NVIDIA
NVDA
+$938M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$639M
4
NFLX icon
Netflix
NFLX
+$598M
5
AMZN icon
Amazon
AMZN
+$575M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.46B
2
SNDK icon
Sandisk
SNDK
+$1.13B
3
AAPL icon
Apple
AAPL
+$426M
4
LIN icon
Linde
LIN
+$316M
5
VRT icon
Vertiv
VRT
+$297M

Sector Composition

Rank Sector Weight
1 Technology 23.58%
2 Healthcare 14.83%
3 Consumer Discretionary 11.24%
4 Industrials 10.49%
5 Communication Services 8.91%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
JHMM icon
3426
John Hancock Multifactor Mid Cap ETF
JHMM
$5.92B
– –
-4,000
Closed -$268K –
JJSF icon
3427
J&J Snack Foods
JJSF
$1.47B
– –
-8,656
Closed -$686K –
JRVR icon
3428
James River Group Holdings
JRVR
$174M
– –
-43,400
Closed -$273K –
JYD icon
3429
Jayud Global Logistics
JYD
$12.6M
– –
-13,400
Closed -$39.7K –
JZ
3430
Jianzhi Education Technology Group
JZ
$3.56M
– –
-367
Closed -$9.39K –
KALA icon
3431
KALA BIO
KALA
$3.77M
– –
-8,350
Closed -$72.3K –
KBH icon
3432
KB Home
KBH
$2.6B
– –
-235,700
Closed -$12.2M –
KEY icon
3433
KeyCorp
KEY
$21.3B
– –
-376,651
Closed -$7.55M –
KKR icon
3434
KKR & Co
KKR
$78B
– –
-257,350
Closed -$23.8M –
KLIC icon
3435
Kulicke & Soffa
KLIC
$4.27B
– –
-79,728
Closed -$5.24M –
KNF icon
3436
Knife River
KNF
$2.83B
– –
-7,700
Closed -$629K –
KNG icon
3437
FT Vest S&P 500 Dividend Aristocrats Target Income ETF
KNG
$3.34B
– –
-6,100
Closed -$297K –
KOP icon
3438
Koppers
KOP
$828M
– –
-5,500
Closed -$213K –
KR icon
3439
Kroger
KR
$37.2B
– –
-10,000
Closed -$724K –
KRG icon
3440
Kite Realty
KRG
$4.89B
– –
-72,703
Closed -$1.78M –
KSA icon
3441
iShares MSCI Saudi Arabia ETF
KSA
$568M
– –
-94,500
Closed -$3.76M –
KW icon
3442
DELISTED
Kennedy-Wilson Holdings
KW
– –
-341,700
Closed -$3.7M –
KWEB icon
3443
KraneShares CSI China Internet ETF
KWEB
$4.52B
– –
-305,700
Closed -$8.69M –
KZR icon
3444
DELISTED
Kezar Life Sciences
KZR
– –
-188,426
Closed -$1.4M –
LCII icon
3445
LCI Industries
LCII
$1.99B
– –
-20,100
Closed -$2.47M –
LDOS icon
3446
Leidos
LDOS
$15.6B
– –
-130,050
Closed -$20.2M –
LFUS icon
3447
Littelfuse
LFUS
$9.8B
– –
-5,734
Closed -$1.95M –
NMAD icon
3448
Nomad Power Solutions
NMAD
$61.2M
– –
-93,000
Closed -$286K –
LNKB icon
3449
DELISTED
LINKBANCORP
LNKB
– –
-200,700
Closed -$1.67M –
LNN icon
3450
Lindsay Corp
LNN
$1.1B
– –
-3,100
Closed -$369K –
136 137
138
139 140

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Jim Simons's Q2 2026 Portfolio in Review

As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.

By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
  • Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
  • Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
  • Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
  • Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
  • Jim Simons opened 548 new positions and closed 621 in Q2 2026.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.