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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
+2.8%
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
$64.5B
AUM Growth
-$11.3B
Cap. Flow
-$10.1B
Cap. Flow %
-15.68%
Top 10 Hldgs %
12.13%
Holding
3,923
New
466
Increased
1,028
Reduced
1,682
Closed
737

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$616M
2
NFLX icon
Netflix
NFLX
+$481M
3
MU icon
Micron Technology
MU
+$416M
4
TSLA icon
Tesla
TSLA
+$416M
5
PG icon
Procter & Gamble
PG
+$322M

Top Sells

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$885M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$660M
3
GOOG icon
Alphabet (Google) Class C
GOOG
+$463M
4
APP icon
Applovin
APP
+$430M
5
META icon
Meta Platforms (Facebook)
META
+$354M

Sector Composition

Rank Sector Weight
1 Technology 20.84%
2 Healthcare 15.77%
3 Consumer Discretionary 13.88%
4 Industrials 9.94%
5 Financials 8.79%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PAGS icon
3626
PagSeguro Digital
PAGS
$2.48B
– –
-111,823
Closed -$1.12M
PAVE icon
3627
Global X US Infrastructure Development ETF
PAVE
$14.4B
– –
-5,000
Closed -$238K
PAVS icon
3628
Paranovus Entertainment Technology
PAVS
$6.05M
– –
0
– -$20.8K
PB icon
3629
Prosperity Bancshares
PB
$8.85B
– –
-177,472
Closed -$11.8M
PBI icon
3630
Pitney Bowes
PBI
$2.27B
– –
-527,671
Closed -$6.02M
PBPB
3631
DELISTED
Potbelly
PBPB
– –
-1,112,954
Closed -$19M
PDFS icon
3632
PDF Solutions
PDFS
$2.08B
– –
-90,100
Closed -$2.33M
PDM
3633
Piedmont Realty Trust
PDM
$1.17B
– –
-120,026
Closed -$1.08M
PEB icon
3634
Pebblebrook Hotel Trust
PEB
$2.01B
– –
-45,100
Closed -$514K
PERF icon
3635
Perfect Corp
PERF
$190M
– –
-203,695
Closed -$383K
PFE icon
3636
Pfizer
PFE
$152B
– –
-3,395,558
Closed -$86.5M
PFXF icon
3637
VanEck Preferred Securities ex Financials ETF
PFXF
$2.45B
– –
-35,513
Closed -$631K
PGRE
3638
DELISTED
Paramount Group
PGRE
– –
-1,608,600
Closed -$10.5M
PHGE icon
3639
BiomX
PHGE
$1.71M
– –
-5,391
Closed -$53.8K
PLOW icon
3640
Douglas Dynamics
PLOW
$979M
– –
-16,300
Closed -$510K
PMT
3641
PennyMac Mortgage Investment
PMT
$824M
– –
-207,200
Closed -$2.54M
PMTS icon
3642
CPI Card Group
PMTS
$352M
– –
-19,587
Closed -$297K
PNFP icon
3643
Pinnacle Financial Partners Inc
PNFP
$16B
– –
-33,396
Closed -$3.13M
POR icon
3644
Portland General Electric
POR
$5.69B
– –
-72,900
Closed -$3.21M
POST icon
3645
Post Holdings
POST
$3.56B
– –
-143,300
Closed -$15.4M
PPLT
3646
abrdn Physical Platinum Shares ETF
PPLT
$2.03B
– –
-23,530
Closed -$336K
PPTA
3647
Perpetua Resources
PPTA
$3.18B
– –
-194,693
Closed -$3.94M
PRCH icon
3648
Porch Group
PRCH
$1.79B
– –
-78,909
Closed -$1.32M
PRGS icon
3649
Progress Software
PRGS
$1.77B
– –
-56,965
Closed -$2.5M
PRGO icon
3650
Perrigo
PRGO
$1.78B
– –
-258,996
Closed -$5.77M
144 145
146
147 148

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Jim Simons's Q4 2025 Portfolio in Review

As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.

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

Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.

  • Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
  • Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
  • Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
  • Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
  • Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
  • Jim Simons opened 466 new positions and closed 737 in Q4 2025.
  • Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.