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 | |
|---|---|---|---|---|---|---|
501
Arlo Technologies
ARLO
$1.5B
| $29.2M | 0.05% |
2,049,418
-240,341
| -10% | -$3.21M |
|
502
DaVita
DVA
$11.6B
| $29.1M | 0.05% |
189,200
+17,700
| +10% | +$2.4M |
|
503
Skywest
SKYW
$4.16B
| $29.1M | 0.05% |
316,556
-44,400
| -12% | -$4.38M |
|
504
Nomad Foods
NOMD
$1.59B
| $29.1M | 0.05% |
3,024,282
+172,215
| +6% | +$1.98M |
|
505
Gulfport Energy Corp
GPOR
$3B
| $29M | 0.05% |
137,200
+117,100
| +583% | +$23.3M |
|
506
Wabtec
WAB
$49.9B
| $29M | 0.05% |
116,095
-22,300
| -16% | -$5.39M |
|
507
Visteon
VC
$2.84B
| $28.9M | 0.05% |
317,600
+101,900
| +47% | +$9.64M |
|
508
Chipotle Mexican Grill
CMG
$41.3B
| $28.9M | 0.05% |
903,100
+682,600
| +310% | +$25.2M |
|
509
First Citizens BancShares
FCNCA
$25.7B
| $28.8M | 0.05% |
15,286
+8,860
| +138% | +$17.8M |
|
510
Pentair
PNR
$10.5B
| $28.7M | 0.04% |
+329,664
| New | +$32.3M |
|
511
SharkNinja
SN
$26.2B
| $28.7M | 0.04% |
+271,100
| New | +$31.7M |
|
512
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.3B
| $28.6M | 0.04% |
544,563
+456,301
| +517% | +$24.1M |
|
|
CWEN.A
513
DELISTED
Clearway Energy Class A
CWEN.A
| $28.6M | 0.04% |
729,129
-129,200
| -15% | -$4.6M |
|
514
Planet Labs
PL
$8.73B
| $28.5M | 0.04% |
1,021,180
+273,300
| +37% | +$6.99M |
|
515
Sturm, Ruger & Co
RGR
$600M
| $28.5M | 0.04% |
710,176
-19,100
| -3% | -$725K |
|
516
iShares MSCI South Korea ETF
EWY
$27.2B
| $28.5M | 0.04% |
+231,341
| New | +$28.9M |
|
517
Fortis
FTS
$28.7B
| $28.3M | 0.04% |
507,452
-151,500
| -23% | -$8.32M |
|
518
Ironwood Pharmaceuticals
IRWD
$714M
| $28.3M | 0.04% |
8,061,073
-143,900
| -2% | -$590K |
|
519
EPR Properties
EPR
$4.7B
| $28.2M | 0.04% |
564,400
-126,900
| -18% | -$6.98M |
|
520
East-West Bancorp
EWBC
$18.5B
| $28.1M | 0.04% |
263,333
+219,700
| +504% | +$24.8M |
|
521
Ennis
EBF
$556M
| $28M | 0.04% |
1,307,646
-60,500
| -4% | -$1.22M |
|
522
Sunrun
RUN
$2.37B
| $28M | 0.04% |
2,065,245
+232,200
| +13% | +$3.87M |
|
523
Centrus Energy
LEU
$3.69B
| $27.9M | 0.04% |
160,542
+109,960
| +217% | +$26.5M |
|
|
DAWN
524
DELISTED
Day One Biopharmaceuticals
DAWN
| $27.8M | 0.04% |
1,296,984
-8,100
| -0.6% | -$114K |
|
525
Invitation Homes
INVH
$17.7B
| $27.8M | 0.04% |
1,118,383
-264,700
| -19% | -$6.93M |
|
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.