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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
+3.01%
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
$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
WPC icon
1401
W.P. Carey
WPC
$16.3B
$4.85M 0.01%
71,300
-92,700
-57% -$6.5M
PD icon
1402
PagerDuty
PD
$871M
$4.84M 0.01%
778,838
-528,900
-40% -$4.57M
GOLD
1403
Gold.com Inc
GOLD
$1.29B
$4.84M 0.01%
+120,668
New +$5.9M
BBBY
1404
Bed Bath & Beyond
BBBY
$417M
$4.83M 0.01%
1,041,100
+507,922
+95% +$2.84M
DGII icon
1405
Digi International
DGII
$3.21B
$4.82M 0.01%
100,093
+56,049
+127% +$2.62M
ACMR icon
1406
ACM Research
ACMR
$5.82B
$4.82M 0.01%
122,600
-1,839
-1% -$97.6K
XME icon
1407
State Street SPDR S&P Metals & Mining ETF
XME
$4.47B
$4.82M 0.01%
+44,600
New +$5.21M
VNT icon
1408
Vontier
VNT
$4.45B
$4.81M 0.01%
135,529
-144,200
-52% -$5.55M
WIT icon
1409
Wipro
WIT
$19.1B
$4.79M 0.01%
2,261,200
+62,800
+3% +$153K
CMPS
1410
Compass Pathways
CMPS
$1.9B
$4.79M 0.01%
865,354
-102,492
-11% -$689K
IMVT icon
1411
Immunovant
IMVT
$8.65B
$4.78M 0.01%
+192,500
New +$4.98M
QUAD icon
1412
Quad
QUAD
$502M
$4.78M 0.01%
722,400
-32,300
-4% -$209K
IYE icon
1413
iShares US Energy ETF
IYE
$1.79B
$4.77M 0.01%
+73,700
New +$4.18M
SPIB icon
1414
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.6B
$4.74M 0.01%
+141,300
New +$4.77M
SFL icon
1415
SFL Corp
SFL
$1.62B
$4.72M 0.01%
437,565
+88,100
+25% +$853K
NNN icon
1416
NNN REIT
NNN
$8.86B
$4.72M 0.01%
112,200
+98,700
+731% +$4.25M
AIOT
1417
PowerFleet Inc
AIOT
$420M
$4.71M 0.01%
1,530,725
+1,442,989
+1,645% +$6.04M
CARS icon
1418
Cars.com
CARS
$653M
$4.71M 0.01%
580,189
+253,991
+78% +$2.6M
TLS icon
1419
Telos
TLS
$329M
$4.69M 0.01%
1,118,914
+256,014
+30% +$1.21M
CHE icon
1420
Chemed
CHE
$7.1B
$4.66M 0.01%
12,340
-200
-2% -$85.7K
GLDG
1421
GoldMining Inc
GLDG
$221M
$4.63M 0.01%
3,894,861
+3,315,830
+573% +$4.97M
TDUP icon
1422
ThredUp
TDUP
$414M
$4.63M 0.01%
1,411,553
-881,300
-38% -$4.09M
CGEM icon
1423
Cullinan Oncology
CGEM
$1.27B
$4.61M 0.01%
324,111
-307,595
-49% -$3.95M
MNKD icon
1424
MannKind Corp
MNKD
$1.19B
$4.58M 0.01%
1,868,442
+110,955
+6% +$495K
QUBT icon
1425
Quantum Computing Inc
QUBT
$2.02B
$4.57M 0.01%
667,674
+532,451
+394% +$4.87M
55 56
57
58 59

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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.