Jim Simons Renaissance Technologies
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
1176
iShares Core Dividend Growth ETF
DGRO
$43.8B
| $6.92M | 0.01% |
98,600
+66,400
| +206% | +$4.76M |
|
|
BWAY
1177
Brainsway
BWAY
$666M
| $6.89M | 0.01% |
518,420
-35,300
| -6% | -$430K |
|
1178
Weave Communications
WEAV
$401M
| $6.87M | 0.01% |
1,487,900
-206,400
| -12% | -$1.2M |
|
1179
Frequency Electronics
FEIM
$858M
| $6.86M | 0.01% |
155,098
-16,863
| -10% | -$861K |
|
1180
CAE Inc. Common Shares
CAE
$8.9B
| $6.82M | 0.01% |
+261,900
| New | +$7.93M |
|
1181
Northrop Grumman
NOC
$82B
| $6.82M | 0.01% |
10,000
-83,700
| -89% | -$57.9M |
|
1182
Vir Biotechnology
VIR
$1.52B
| $6.82M | 0.01% |
761,364
+146,900
| +24% | +$1.17M |
|
1183
State Street SPDR Portfolio Emerging Markets ETF
SPEM
$17.7B
| $6.82M | 0.01% |
145,300
+123,900
| +579% | +$6.04M |
|
1184
The RMR Group
RMR
$337M
| $6.8M | 0.01% |
439,814
-10,700
| -2% | -$174K |
|
1185
Teleflex
TFX
$5.78B
| $6.78M | 0.01% |
+56,700
| New | +$6.25M |
|
1186
Acacia Research
ACTG
$455M
| $6.77M | 0.01% |
1,407,584
+12,284
| +0.9% | +$51.8K |
|
1187
Hilltop Holdings
HTH
$2.25B
| $6.77M | 0.01% |
188,984
+6,600
| +4% | +$242K |
|
1188
Donegal Group Class A
DGICA
$692M
| $6.75M | 0.01% |
392,711
+21,500
| +6% | +$391K |
|
1189
Euroseas
ESEA
$525M
| $6.74M | 0.01% |
100,765
+4,087
| +4% | +$245K |
|
1190
Stantec
STN
$8.47B
| $6.72M | 0.01% |
77,750
-48,050
| -38% | -$4.52M |
|
1191
Relay Therapeutics
RLAY
$4.4B
| $6.7M | 0.01% |
673,599
+25,700
| +4% | +$230K |
|
1192
MediaAlpha
MAX
$787M
| $6.69M | 0.01% |
719,300
-326,100
| -31% | -$3.21M |
|
1193
Central Garden & Pet Co
CENT
$2.79B
| $6.68M | 0.01% |
181,787
+67,800
| +59% | +$2.43M |
|
1194
UMB Financial
UMBF
$11.4B
| $6.67M | 0.01% |
59,170
-80,100
| -58% | -$9.64M |
|
1195
PJT Partners
PJT
$4.36B
| $6.66M | 0.01% |
+47,700
| New | +$7.51M |
|
|
OLPX
1196
DELISTED
Olaplex Holdings
OLPX
| $6.63M | 0.01% |
3,268,200
-28,200
| -0.9% | -$43.3K |
|
1197
eGain
EGAN
$200M
| $6.62M | 0.01% |
838,425
+207,606
| +33% | +$2.01M |
|
1198
Carlyle Group
CG
$17.2B
| $6.61M | 0.01% |
+136,700
| New | +$7.54M |
|
1199
Intrepid Potash
IPI
$490M
| $6.61M | 0.01% |
154,550
-12,542
| -8% | -$451K |
|
1200
First Business Financial Services
FBIZ
$593M
| $6.6M | 0.01% |
122,465
-5,800
| -5% | -$322K |
|
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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.