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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
+8.44%
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
$67.6B
AUM Growth
+$1.06B
Cap. Flow
-$786M
Cap. Flow %
-1.16%
Top 10 Hldgs %
10.48%
Holding
4,032
New
548
Increased
1,485
Reduced
1,480
Closed
497

Top Buys

Rank Stock Value
1
BABA icon
Alibaba
BABA
+$191M
2
NKE icon
Nike
NKE
+$190M
3
UNH icon
UnitedHealth
UNH
+$158M
4
SHOP icon
Shopify
SHOP
+$153M
5
TSM icon
TSMC
TSM
+$151M

Top Sells

Rank Stock Value
1
PLTR icon
Palantir
PLTR
+$910M
2
MSFT icon
Microsoft
MSFT
+$668M
3
META icon
Meta Platforms (Facebook)
META
+$351M
4
MU icon
Micron Technology
MU
+$244M
5
AAPL icon
Apple
AAPL
+$191M

Sector Composition

Rank Sector Weight
1 Technology 20.86%
2 Healthcare 15.8%
3 Consumer Discretionary 14.09%
4 Financials 8.97%
5 Industrials 8.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HEPA
3526
DELISTED
Hepion Pharmaceuticals
HEPA
$8.16K ﹤0.01%
347
+16
+5% +$499
SPI
3527
DELISTED
SPI Energy Co., Ltd. Ordinary Shares
SPI
$7.44K ﹤0.01%
19,300
-2,400
-11% -$973
FAMI icon
3528
Farmmi Inc
FAMI
$4.96M
$7.23K ﹤0.01%
2,007
-825
-29% -$2.96K
HCWB icon
3529
HCW Biologics
HCWB
$4.66M
$6.69K ﹤0.01%
+63
New +$7.35K
LGL.WS
3530
DELISTED
LGL Group Inc Warrants
LGL.WS
$6.39K ﹤0.01%
37,323
-5,600
-13% -$1.09K
VINC
3531
DELISTED
Vincerx Pharma, Inc. Common Stock
VINC
$5.81K ﹤0.01%
1,105
-2,195
-67% -$14.4K
MAAS
3532
Maase Inc
MAAS
$6.98B
$4.63K ﹤0.01%
+230
New +$6.53K
UOKA
3533
DELISTED
MDJM Ltd
UOKA
$3.2K ﹤0.01%
+18
New +$5.3K
AAL icon
3534
American Airlines Group
AAL
$9.97B
– –
-570,900
Closed -$6.42M
ADBE icon
3535
Adobe
ADBE
$108B
– –
-141,870
Closed -$73.5M
AEIS icon
3536
Advanced Energy
AEIS
$13.2B
– –
-1,996
Closed -$210K
AFL icon
3537
Aflac
AFL
$60.7B
– –
-156,900
Closed -$17.5M
AGEN
3538
Agenus
AGEN
$315M
– –
-168,546
Closed -$924K
AGNC icon
3539
AGNC Investment
AGNC
$13B
– –
-1,562,129
Closed -$16.3M
AIG icon
3540
American International
AIG
$39.8B
– –
-152,560
Closed -$11.2M
AIN icon
3541
Albany International
AIN
$1.82B
– –
-21,200
Closed -$1.88M
AIR icon
3542
AAR Corp
AIR
$5.77B
– –
-42,760
Closed -$2.79M
AKAM icon
3543
Akamai
AKAM
$18B
– –
-505,500
Closed -$51M
ALAR
3544
Alarum Technologies
ALAR
$13.4M
– –
-22,861
Closed -$243K
ALGT icon
3545
Allegiant Air
ALGT
$2.36B
– –
-52,200
Closed -$2.87M
ALTG icon
3546
Alta Equipment Group
ALTG
$234M
– –
-128,500
Closed -$866K
ALXO icon
3547
ALX Oncology
ALXO
$268M
– –
-155,300
Closed -$283K
AMH icon
3548
American Homes 4 Rent
AMH
$12.3B
– –
-130,029
Closed -$4.99M
AMLP icon
3549
Alerian MLP ETF
AMLP
$13.1B
– –
-35,900
Closed -$1.69M
AMSC icon
3550
American Superconductor
AMSC
$1.53B
– –
-158,389
Closed -$3.74M
140 141
142
143 144

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Jim Simons's Q4 2024 Portfolio in Review

As of Q4 2024, Jim Simons held 4,032 positions worth $67.6B, up 1.6% from $66.5B the previous quarter. Its ten largest holdings account for 10% of the portfolio.

Jim Simons's Q4 2024 filing shows 548 new, 1,485 increased, 1,480 reduced and 497 closed positions. Its largest new stake was UnitedHealth: 278,658 shares worth $141M. The largest sale was Palantir, an estimated $910M.

By sector, the portfolio is most concentrated in Technology at 21% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q4 2024 buy was UnitedHealth: 278,658 shares worth $141M.
  • Jim Simons added most to Alibaba in Q4 2024, an estimated $191M increase.
  • Jim Simons's biggest Q4 2024 reduction was Palantir, cutting an estimated $910M.
  • Jim Simons fully exited Arm in Q4 2024, selling an estimated $153M.
  • Jim Simons's ten largest holdings make up 10% of its $67.6B portfolio in Q4 2024.
  • Jim Simons opened 548 new positions and closed 497 in Q4 2024.
  • Jim Simons's portfolio value rose 1.6% quarter-over-quarter to $67.6B.

Based on Renaissance Technologies's 13F filing for Q4 2024, filed 13 Feb 2025.