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 | |
|---|---|---|---|---|---|---|
426
Sarepta Therapeutics
SRPT
$1.93B
| $36.2M | 0.06% |
1,665,078
+505,500
| +44% | +$9.78M |
|
427
Loews
L
$23.2B
| $36.2M | 0.06% |
339,200
-39,400
| -10% | -$4.22M |
|
428
TTM Technologies
TTMI
$14.7B
| $36.1M | 0.06% |
+370,869
| New | +$35.3M |
|
429
Intuitive Machines
LUNR
$2.74B
| $35.9M | 0.06% |
+1,934,000
| New | +$35.6M |
|
430
AppFolio
APPF
$7.01B
| $35.9M | 0.06% |
227,280
+80,760
| +55% | +$15.3M |
|
431
TFS Financial
TFSL
$4.89B
| $35.8M | 0.06% |
2,549,491
-107,300
| -4% | -$1.52M |
|
|
EXE
432
Expand Energy Corp
EXE
$22.4B
| $35.8M | 0.06% |
+325,762
| New | +$34.8M |
|
433
SPDR Gold Trust
GLD
$144B
| $35.7M | 0.06% |
83,059
+15,979
| +24% | +$7.16M |
|
434
Marriott International
MAR
$92.6B
| $35.4M | 0.06% |
108,216
+100,440
| +1,292% | +$33M |
|
435
InMode
INMD
$875M
| $35.4M | 0.06% |
2,586,218
+149,800
| +6% | +$2.14M |
|
436
Equity Residential
EQR
$24.2B
| $35.2M | 0.06% |
595,400
+506,934
| +573% | +$31.3M |
|
437
FLEX LNG
FLNG
$1.59B
| $34.8M | 0.05% |
1,170,795
+349,191
| +43% | +$9.65M |
|
438
XPO
XPO
$24.6B
| $34.8M | 0.05% |
178,720
+75,600
| +73% | +$13.6M |
|
439
Sumitomo Mitsui Financial
SMFG
$165B
| $34.5M | 0.05% |
1,749,272
-175,245
| -9% | -$3.68M |
|
440
National Fuel Gas
NFG
$7.73B
| $34.5M | 0.05% |
367,200
+345,900
| +1,624% | +$30.2M |
|
441
Datadog
DDOG
$86.8B
| $34.5M | 0.05% |
291,948
-20,382
| -7% | -$2.52M |
|
442
MongoDB
MDB
$35.3B
| $34.5M | 0.05% |
+140,780
| New | +$47.1M |
|
443
DHT Holdings
DHT
$3B
| $34.3M | 0.05% |
1,878,745
-449,100
| -19% | -$7.15M |
|
444
Pilgrim's Pride
PPC
$6.36B
| $34.2M | 0.05% |
907,024
-463,700
| -34% | -$18.7M |
|
445
Agilent Technologies
A
$42B
| $34.2M | 0.05% |
+300,300
| New | +$38.1M |
|
446
Check Point Software Technologies
CHKP
$13.1B
| $34.2M | 0.05% |
+239,208
| New | +$40.1M |
|
447
Credo Technology Group
CRDO
$50.3B
| $34M | 0.05% |
+362,338
| New | +$44.1M |
|
448
British American Tobacco
BTI
$121B
| $34M | 0.05% |
581,299
+528,200
| +995% | +$31.3M |
|
449
Atlassian
TEAM
$38.7B
| $33.8M | 0.05% |
495,224
-421,151
| -46% | -$41.5M |
|
450
Willis Lease Finance
WLFC
$1.19B
| $33.7M | 0.05% |
593,460
-14,331
| -2% | -$861K |
|
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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.