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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 8.98%
5 Industrials 8.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DFSV
2476
Dimensional US Small Cap Value ETF
DFSV
$8.46B
$1.04M ﹤0.01%
+33,900
New +$1.07M
SVC
2477
Service Properties Trust
SVC
$1.06B
$1.04M ﹤0.01%
+81,760
New +$1.32M
MDV
2478
Modiv Industrial
MDV
$1.04M ﹤0.01%
69,600
-19,100
-22% -$310K
PMTS icon
2479
CPI Card Group
PMTS
$325M
$1.03M ﹤0.01%
34,600
+26,808
+344% +$745K
MOG.B icon
2480
Moog Inc Class B
MOG.B
$1.03M ﹤0.01%
5,300
-500
-9% -$103K
BRK.B icon
2481
Berkshire Hathaway Class B
BRK.B
$1.08T
$1.03M ﹤0.01%
2,270
-220,245
-99% -$102M
LYEL icon
2482
Lyell Immunopharma
LYEL
$341M
$1.03M ﹤0.01%
80,607
+70,737
+717% +$1.4M
ZUMZ icon
2483
Zumiez
ZUMZ
$316M
$1.03M ﹤0.01%
53,811
+11,111
+26% +$237K
SCHX icon
2484
Schwab US Large- Cap ETF
SCHX
$74.8B
$1.03M ﹤0.01%
+44,500
New +$1.04M
MSFT icon
2485
Microsoft
MSFT
$3.68T
$1.03M ﹤0.01%
2,383
-1,568,888
-100% -$668M
YMAB
2486
DELISTED
Y-mAbs Therapeutics
YMAB
$1.03M ﹤0.01%
131,600
+103,700
+372% +$1.26M
BTCO icon
2487
Invesco Galaxy Bitcoin ETF
BTCO
$422M
$1.03M ﹤0.01%
+11,000
New +$912K
LGL icon
2488
LGL Group
LGL
$93.7M
$1.03M ﹤0.01%
171,821
-5,900
-3% -$35.2K
OESX icon
2489
Orion Energy Systems
OESX
$79M
$1.02M ﹤0.01%
128,067
-4,979
-4% -$43.6K
EYPT icon
2490
EyePoint Inc
EYPT
$1.22B
$1.02M ﹤0.01%
137,500
-49,937
-27% -$465K
DFIN icon
2491
Donnelley Financial Solutions
DFIN
$1.2B
$1.02M ﹤0.01%
16,300
+12,500
+329% +$780K
ALLK
2492
DELISTED
Allakos
ALLK
$1.02M ﹤0.01%
844,233
+118,394
+16% +$124K
GBIO
2493
DELISTED
Generation Bio
GBIO
$1.02M ﹤0.01%
96,296
+36,866
+62% +$657K
HBT icon
2494
HBT Financial
HBT
$1.35B
$1.02M ﹤0.01%
46,600
-5,605
-11% -$128K
WAY
2495
Waystar Holding Corp
WAY
$4.76B
$1.02M ﹤0.01%
27,800
-133,200
-83% -$4.1M
IUSV icon
2496
iShares Core S&P US Value ETF
IUSV
$28B
$1.02M ﹤0.01%
11,000
-16,500
-60% -$1.59M
FNDA icon
2497
Schwab Fundamental US Small Company Index ETF
FNDA
$9.44B
$1.01M ﹤0.01%
+34,100
New +$1.04M
SBT
2498
DELISTED
Sterling Bancorp, Inc. Common Stock
SBT
$1.01M ﹤0.01%
212,074
-7,100
-3% -$33.6K
LTBR icon
2499
Lightbridge
LTBR
$315M
$1.01M ﹤0.01%
212,600
+188,600
+786% +$1.13M
GFS icon
2500
GlobalFoundries
GFS
$29.4B
$1M ﹤0.01%
+23,400
New +$980K

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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.