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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
+3.01%
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
$63.9B
AUM Growth
-$531M
Cap. Flow
+$1.07B
Cap. Flow %
1.67%
Top 10 Hldgs %
11.2%
Holding
3,809
New
624
Increased
1,320
Reduced
1,262
Closed
596

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$800M
2
NVDA icon
NVIDIA
NVDA
+$304M
3
AVGO icon
Broadcom
AVGO
+$261M
4
LIN icon
Linde
LIN
+$237M
5
JPM icon
JPMorgan Chase
JPM
+$208M

Top Sells

Rank Stock Value
1
COST icon
Costco
COST
+$656M
2
NFLX icon
Netflix
NFLX
+$632M
3
TSLA icon
Tesla
TSLA
+$474M
4
PG icon
Procter & Gamble
PG
+$428M
5
MU icon
Micron Technology
MU
+$332M

Sector Composition

Rank Sector Weight
1 Technology 22.04%
2 Healthcare 15.35%
3 Industrials 11.13%
4 Consumer Discretionary 10.88%
5 Financials 10.52%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TTAN
3776
ServiceTitan Inc
TTAN
$8.43B
– –
-200,600
Closed -$21.4M
HIT
3777
Health In Tech Inc
HIT
$68.8M
– –
-134,317
Closed -$214K
PSIX
3778
Power Solutions International
PSIX
$972M
– –
-107,898
Closed -$6.17M
MIMI
3779
Mint Inc
MIMI
$13.9M
– –
-29,974
Closed -$89.9K
DXST
3780
Decent Holding Inc
DXST
$5.67M
– –
-1,708
Closed -$59.4K
CJMB
3781
Callan JMB Inc
CJMB
$10.8M
– –
-11,400
Closed -$12.7K
HCAI
3782
Huachen AI Parking Management Technology
HCAI
$5.18M
– –
-383
Closed -$4.02K
GCL
3783
GCL Global Holdings
GCL
$64.6M
– –
-35,500
Closed -$38K
HMR
3784
Heidmar Maritime Holdings
HMR
$77.9M
– –
-11,100
Closed -$8.69K
BMGL
3785
Basel Medical
BMGL
$7.81M
– –
-1,208
Closed -$7.1K
KMTS
3786
Kestra Medical Technologies
KMTS
$1.64B
– –
-16,400
Closed -$435K
HODO
3787
House of Doge
HODO
$38M
– –
-3,825
Closed -$12.2K
SAGT
3788
Sagtec Global
SAGT
$13.3M
– –
-25,500
Closed -$52.8K
NMAX
3789
Newsmax Inc
NMAX
$1.13B
– –
-88,700
Closed -$686K
FATN
3790
FatPipe Inc
FATN
$99.5M
– –
-25,300
Closed -$51.1K
AHL
3791
DELISTED
Aspen Insurance
AHL
– –
-237,700
Closed -$8.82M
TEMT
3792
Tradr 2X Long TEM Daily ETF
TEMT
$41.5M
– –
-11,367
Closed -$390K
SVA
3793
DELISTED
Sinovac Biotech, Ltd
SVA
$0 ﹤0.01%
1,312,520
– –
SAFX
3794
XCF Global Inc
SAFX
$180M
– –
-89,300
Closed -$24.4K
OTF
3795
Blue Owl Technology Finance Corp
OTF
$5.37B
– –
-110,361
Closed -$1.6M
QUBX
3796
Tradr 2X Long QUBT Daily ETF
QUBX
$27.9M
– –
-12,300
Closed -$269K
SI
3797
Shoulder Innovations Inc
SI
$409M
– –
-12,300
Closed -$176K
PSKY
3798
Paramount Skydance Corp
PSKY
$10.5B
– –
-535,800
Closed -$7.18M
VELO
3799
Velo3D Inc
VELO
$408M
– –
-39,900
Closed -$548K
ETS
3800
Elite Express Holding Inc
ETS
$53.6M
– –
-23,190
Closed -$11.5K
149 150 151
152
153

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Jim Simons's Q1 2026 Portfolio in Review

As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.

Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.

  • Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
  • Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
  • Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
  • Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
  • Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
  • Jim Simons opened 624 new positions and closed 596 in Q1 2026.
  • Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.