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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
NATL icon
3576
NCR Atleos
NATL
$3.46B
– –
-50,000
Closed -$1.97M
NCPL icon
3577
Netcapital
NCPL
$2.75M
– –
-188,146
Closed -$452K
NDAQ icon
3578
Nasdaq
NDAQ
$53.1B
– –
-778,300
Closed -$68.8M
NEAR icon
3579
iShares Short Maturity Bond ETF
NEAR
$4.88B
– –
-236,100
Closed -$12.1M
NHI icon
3580
National Health Investors
NHI
$3.44B
– –
-18,400
Closed -$1.46M
NI icon
3581
NiSource
NI
$20.1B
– –
-980,800
Closed -$42.5M
NJR icon
3582
New Jersey Resources
NJR
$5.55B
– –
-43,100
Closed -$2.08M
NKE icon
3583
Nike
NKE
$61.3B
– –
-1,529,800
Closed -$107M
NMRK icon
3584
Newmark Group
NMRK
$2.62B
– –
-37,500
Closed -$699K
NOVT icon
3585
Novanta
NOVT
$6.34B
– –
-95,600
Closed -$9.57M
NRIX icon
3586
Nurix Therapeutics
NRIX
$2.69B
– –
-184,800
Closed -$1.71M
NRXP icon
3587
NRX Pharmaceuticals
NRXP
$146M
– –
-128,175
Closed -$423K
NSA
3588
DELISTED
National Storage Affiliates Trust
NSA
– –
-52,500
Closed -$1.59M
NTR icon
3589
Nutrien
NTR
$32.1B
– –
-614,485
Closed -$36.1M
NTST
3590
NETSTREIT Corp
NTST
$2.02B
– –
-346,200
Closed -$6.25M
NUE icon
3591
Nucor
NUE
$61.9B
– –
-7,300
Closed -$989K
NVAX icon
3592
Novavax
NVAX
$1.31B
– –
-1,196,750
Closed -$10.4M
NVCT icon
3593
Nuvectis Pharma
NVCT
$632M
– –
-42,800
Closed -$258K
NVDL icon
3594
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.62B
– –
-363,300
Closed -$11.3M
NVDU icon
3595
Direxion Daily NVDA Bull 2X ETF
NVDU
$593M
– –
-41,100
Closed -$5.39M
NVDX icon
3596
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$442M
– –
-244,300
Closed -$4.67M
NVDY icon
3597
YieldMax NVDA Option Income Strategy ETF
NVDY
$1.44B
– –
-81,500
Closed -$1.37M
NVTS icon
3598
Navitas Semiconductor
NVTS
$3.55B
– –
-3,623,900
Closed -$26.2M
NVVE
3599
DELISTED
Nuvve Holding Corp
NVVE
– –
-172
Closed -$29K
NWE icon
3600
NorthWestern Energy
NWE
$4.35B
– –
-31,426
Closed -$1.84M
142 143
144
145 146

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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.