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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
+3.01%
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
$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
BMRC icon
1651
Bank of Marin Bancorp
BMRC
$458M
$3.06M ﹤0.01%
119,392
+24,100
+25% +$625K
CYRX icon
1652
CryoPort
CYRX
$772M
$3.05M ﹤0.01%
368,110
+142,070
+63% +$1.28M
SNCY
1653
DELISTED
Sun Country Airlines
SNCY
$3.05M ﹤0.01%
184,400
+62,600
+51% +$1.12M
SRBK icon
1654
SR Bancorp
SRBK
$146M
$3.04M ﹤0.01%
180,300
+1,000
+0.6% +$16.8K
DC icon
1655
Dakota Gold
DC
$835M
$3.04M ﹤0.01%
601,889
+353,289
+142% +$2.09M
FNDX icon
1656
Schwab Fundamental US Large Company Index ETF
FNDX
$27.6B
$3.04M ﹤0.01%
+109,100
New +$3.09M
SHO icon
1657
Sunstone Hotel Investors
SHO
$2.03B
$3.04M ﹤0.01%
336,996
+190,944
+131% +$1.75M
SKWD icon
1658
Skyward Specialty Insurance
SKWD
$2.42B
$3.03M ﹤0.01%
69,300
-89,600
-56% -$4.07M
ANNX icon
1659
Annexon
ANNX
$867M
$3.02M ﹤0.01%
544,300
-258,300
-32% -$1.45M
OII icon
1660
Oceaneering
OII
$5.2B
$3.01M ﹤0.01%
85,000
+56,900
+202% +$1.84M
NKTR icon
1661
Nektar Therapeutics
NKTR
$2.47B
$3.01M ﹤0.01%
41,781
-131,100
-76% -$7.46M
MTA
1662
Metalla Royalty & Streaming
MTA
$912M
$3M ﹤0.01%
451,948
+306,248
+210% +$2.42M
FAS icon
1663
Direxion Daily Financial Bull 3x ETF
FAS
$2.49B
$2.99M ﹤0.01%
25,200
+4,000
+19% +$570K
HROW icon
1664
Harrow
HROW
$1.5B
$2.98M ﹤0.01%
84,579
-20,400
-19% -$897K
INNV icon
1665
InnovAge Holding
INNV
$1.44B
$2.97M ﹤0.01%
370,817
+186,117
+101% +$1.39M
GOVT icon
1666
iShares US Treasury Bond ETF
GOVT
$43.7B
$2.97M ﹤0.01%
+129,800
New +$2.99M
PAX icon
1667
Patria Investments
PAX
$1.86B
$2.97M ﹤0.01%
+235,768
New +$3.32M
MOH icon
1668
Molina Healthcare
MOH
$11.1B
$2.97M ﹤0.01%
22,250
-42,387
-66% -$6.75M
INGN icon
1669
Inogen
INGN
$153M
$2.96M ﹤0.01%
478,800
-104,200
-18% -$643K
CTKB icon
1670
Cytek Biosciences
CTKB
$610M
$2.96M ﹤0.01%
676,700
+1,700
+0.3% +$8.03K
MRAM icon
1671
Everspin Technologies
MRAM
$460M
$2.94M ﹤0.01%
334,367
+73,000
+28% +$803K
IAGG icon
1672
iShares Core International Aggregate Bond Fund
IAGG
$11.4B
$2.94M ﹤0.01%
+58,700
New +$2.95M
MTRX icon
1673
Matrix Service
MTRX
$335M
$2.94M ﹤0.01%
255,800
+5,200
+2% +$61.9K
FNWB icon
1674
First Northwest Bancorp
FNWB
$109M
$2.94M ﹤0.01%
338,305
+43,200
+15% +$418K
VOE icon
1675
Vanguard Morningstar Mid-Cap Value ETF
VOE
$24.6B
$2.93M ﹤0.01%
15,900
+2,000
+14% +$374K

Similar funds

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.