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 | |
|---|---|---|---|---|---|---|
1101
Westamerica Bancorp
WABC
$1.38B
| $7.95M | 0.01% |
152,431
+56,900
| +60% | +$2.89M |
|
1102
Vanguard Russell 1000 Value ETF
VONV
$22B
| $7.93M | 0.01% |
84,600
+67,600
| +398% | +$6.5M |
|
1103
Medifast
MED
$130M
| $7.88M | 0.01% |
773,710
-6,900
| -0.9% | -$74.4K |
|
1104
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
| $7.85M | 0.01% |
+12,720
| New | +$8.06M |
|
1105
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.83B
| $7.84M | 0.01% |
81,400
+33,082
| +68% | +$3.31M |
|
1106
DigitalBridge
DBRG
$2.95B
| $7.79M | 0.01% |
505,112
-129,400
| -20% | -$1.99M |
|
1107
T. Rowe Price
TROW
$23.8B
| $7.79M | 0.01% |
+86,400
| New | +$8.37M |
|
1108
Center Bancorp
CNOB
$1.81B
| $7.79M | 0.01% |
290,905
-102,673
| -26% | -$2.76M |
|
1109
Leggett & Platt
LEG
$1.29B
| $7.78M | 0.01% |
787,700
-50,600
| -6% | -$578K |
|
1110
COPT Defense Properties
CDP
$4.19B
| $7.77M | 0.01% |
253,900
+113,819
| +81% | +$3.54M |
|
1111
Savers
SVV
$1.65B
| $7.77M | 0.01% |
1,044,264
+261,563
| +33% | +$2.5M |
|
1112
MaxLinear
MXL
$6.74B
| $7.75M | 0.01% |
445,913
+333,800
| +298% | +$6M |
|
1113
Arrow Financial
AROW
$725M
| $7.73M | 0.01% |
230,284
-21,921
| -9% | -$732K |
|
|
GLXY
1114
Galaxy Digital Inc
GLXY
$4.1B
| $7.72M | 0.01% |
418,221
+241,500
| +137% | +$5.74M |
|
1115
Capri Holdings
CPRI
$1.77B
| $7.69M | 0.01% |
+436,700
| New | +$9.24M |
|
1116
HCI Group
HCI
$2.28B
| $7.67M | 0.01% |
49,629
-1,266
| -2% | -$207K |
|
1117
AMC Entertainment Holdings
AMC
$2.26B
| $7.66M | 0.01% |
7,821,423
-188,396
| -2% | -$243K |
|
1118
Middlesex Water
MSEX
$1.1B
| $7.65M | 0.01% |
147,013
+17,800
| +14% | +$937K |
|
1119
Ardelyx
ARDX
$1.03B
| $7.62M | 0.01% |
1,272,441
-522,352
| -29% | -$3.46M |
|
1120
Vicor
VICR
$10.4B
| $7.62M | 0.01% |
47,300
+37,100
| +364% | +$6.13M |
|
1121
Capital City Bank Group
CCBG
$896M
| $7.6M | 0.01% |
174,871
+10,400
| +6% | +$447K |
|
1122
Boot Barn
BOOT
$4.87B
| $7.6M | 0.01% |
+51,900
| New | +$9.41M |
|
1123
First Financial Bancorp
FFBC
$3.58B
| $7.59M | 0.01% |
+272,318
| New | +$7.59M |
|
1124
DoubleVerify
DV
$2.04B
| $7.57M | 0.01% |
797,300
-462,100
| -37% | -$4.72M |
|
1125
Outfront Media
OUT
$5.29B
| $7.57M | 0.01% |
285,667
+245,721
| +615% | +$6.4M |
|
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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.