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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
+24.48%
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
$72.6B
AUM Growth
+$8.69B
Cap. Flow
+$958M
Cap. Flow %
1.32%
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.46B
2
SNDK
Sandisk
SNDK
+$1.13B
3
AAPL icon
Apple
AAPL
+$426M
4
LIN icon
Linde
LIN
+$316M
5
VRT icon
Vertiv
VRT
+$297M

Sector Composition

Rank Sector Weight
1 Technology 23.57%
2 Healthcare 14.84%
3 Consumer Discretionary 11.27%
4 Industrials 10.49%
5 Communication Services 8.87%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
DEA
1551
Easterly Government Properties
DEA
$1.18B
$4.21M 0.01%
168,766
+95,300
+130% +$2.23M
PPIH
1552
Perma-Pipe International
PPIH
$216M
$4.2M 0.01%
154,393
-54,700
-26% -$1.69M
IBB icon
1553
iShares Biotechnology ETF
IBB
$9.77B
$4.2M 0.01%
22,100
+15,900
+256% +$2.73M
OMDA
1554
Omada Health Inc
OMDA
$1.48B
$4.2M 0.01%
191,400
-199,669
-51% -$3.19M
SCHR
1555
Schwab Intermediately-Term US Treasury ETF
SCHR
$13.3B
$4.2M 0.01%
170,300
+40,600
+31% +$1M
XPER icon
1556
Xperi
XPER
$320M
$4.2M 0.01%
509,983
-40,200
-7% -$291K
ACNT icon
1557
Ascent Industries
ACNT
$134M
$4.2M 0.01%
279,202
-49,798
-15% -$695K
LFVN icon
1558
LifeVantage
LFVN
$81.9M
$4.18M 0.01%
669,418
-198,286
-23% -$1.2M
KFRC icon
1559
Kforce
KFRC
$1.08B
$4.17M 0.01%
88,949
-26,700
-23% -$1.09M
TLS icon
1560
Telos
TLS
$344M
$4.17M 0.01%
906,929
-211,985
-19% -$937K
SILC icon
1561
Silicom
SILC
$258M
$4.16M 0.01%
86,800
+61,363
+241% +$2.33M
HCI icon
1562
HCI Group
HCI
$2.32B
$4.16M 0.01%
23,729
-25,900
-52% -$4.08M
RRBI icon
1563
Red River Bancshares
RRBI
$681M
$4.14M 0.01%
45,320
+40,720
+885% +$3.73M
BGC icon
1564
BGC Group
BGC
$5.2B
$4.13M 0.01%
386,548
-494,200
-56% -$5.53M
RKT icon
1565
Rocket Companies
RKT
$42.6B
$4.13M 0.01%
262,022
-1,923,461
-88% -$27.7M
PDBC icon
1566
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$6.61B
$4.11M 0.01%
+258,900
New +$4.55M
IIIV icon
1567
i3 Verticals
IIIV
$325M
$4.09M 0.01%
+191,275
New +$3.99M
VRTS icon
1568
Virtus Investment Partners
VRTS
$1.14B
$4.08M 0.01%
28,429
+1,200
+4% +$169K
FIRY
1569
Firy Inc
FIRY
$158M
$4.08M 0.01%
400,725
+1,300
+0.3% +$9.04K
IEF icon
1570
iShares 7-10 Year Treasury Bond ETF
IEF
$47.3B
$4.08M 0.01%
+43,108
New +$4.08M
CURI icon
1571
CuriosityStream
CURI
$237M
$4.06M 0.01%
1,528,000
-240,800
-14% -$712K
BIOA
1572
BioAge Labs
BIOA
$479M
$4.06M 0.01%
165,700
+27,112
+20% +$490K
ANDE icon
1573
Andersons Inc
ANDE
$2.21B
$4.06M 0.01%
59,300
-66,500
-53% -$4.83M
IUSB icon
1574
iShares Core Universal USD Bond ETF
IUSB
$43.3B
$4.04M 0.01%
+87,500
New +$4.04M
CGEN icon
1575
Compugen
CGEN
$228M
$4.02M 0.01%
1,877,500
+244,512
+15% +$613K

Similar funds

Jim Simons's Q2 2026 Portfolio in Review

As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.

By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
  • Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
  • Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
  • Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
  • Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
  • Jim Simons opened 548 new positions and closed 621 in Q2 2026.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.