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 | |
|---|---|---|---|---|---|---|
351
Camden Property Trust
CPT
$10.9B
| $45.6M | 0.07% |
466,800
+154,900
| +50% | +$16.4M |
|
352
RingCentral
RNG
$5.3B
| $45.1M | 0.07% |
1,212,681
-155,000
| -11% | -$4.99M |
|
353
Banco Bradesco
BBD
$35B
| $45M | 0.07% |
12,315,995
+6,276,800
| +104% | +$23.8M |
|
354
Moderna
MRNA
$24.2B
| $44.8M | 0.07% |
881,200
+312,800
| +55% | +$14.6M |
|
355
Banco de Chile
BCH
$20.7B
| $44.7M | 0.07% |
1,207,932
-86,400
| -7% | -$3.55M |
|
356
Patterson-UTI
PTEN
$4.22B
| $44.7M | 0.07% |
4,128,099
-1,601,600
| -28% | -$13.7M |
|
357
Cadence Design Systems
CDNS
$90.2B
| $44.6M | 0.07% |
+160,520
| New | +$47.9M |
|
358
Teladoc Health
TDOC
$1.24B
| $44.1M | 0.07% |
8,085,542
+107,400
| +1% | +$603K |
|
359
Hims & Hers Health
HIMS
$7.12B
| $44M | 0.07% |
2,118,080
-2,699,929
| -56% | -$63.8M |
|
360
Ituran Location and Control
ITRN
$1.04B
| $43.7M | 0.07% |
892,200
-38,900
| -4% | -$1.83M |
|
361
Qualys
QLYS
$6.51B
| $43.7M | 0.07% |
497,600
+17,300
| +4% | +$1.92M |
|
362
HSBC
HSBC
$355B
| $43.2M | 0.07% |
524,122
+417,500
| +392% | +$35.4M |
|
363
Xcel Energy
XEL
$48.5B
| $43.2M | 0.07% |
543,600
+337,500
| +164% | +$26.5M |
|
|
MOMO
364
Hello Group
MOMO
$861M
| $43.1M | 0.07% |
7,482,810
-340,200
| -4% | -$2.2M |
|
365
Advanced Micro Devices
AMD
$774B
| $42.8M | 0.07% |
216,944
-1,047,366
| -83% | -$224M |
|
|
MASI
366
DELISTED
Masimo
MASI
| $42.6M | 0.07% |
239,500
+179,600
| +300% | +$28.2M |
|
367
Cognex
CGNX
$10.6B
| $42.5M | 0.07% |
868,058
+33,000
| +4% | +$1.54M |
|
368
iRadimed
IRMD
$1.14B
| $42.4M | 0.07% |
440,712
-15,700
| -3% | -$1.57M |
|
|
VISN
369
Vistance Networks Inc
VISN
$2.7B
| $42.4M | 0.07% |
2,330,200
-81,900
| -3% | -$1.49M |
|
|
BELFB
370
Bel Fuse Inc Class B
BELFB
$4.19B
| $42.3M | 0.07% |
213,872
-17,479
| -8% | -$3.65M |
|
371
UDR
UDR
$12B
| $42.3M | 0.07% |
1,253,098
+812,700
| +185% | +$29.8M |
|
372
Bank OZK
OZK
$5.66B
| $42.2M | 0.07% |
918,897
+48,300
| +6% | +$2.28M |
|
373
Qorvo
QRVO
$8.53B
| $42.1M | 0.07% |
544,206
+71,100
| +15% | +$5.75M |
|
374
Southern Company
SO
$106B
| $41.7M | 0.07% |
431,600
-1,081,800
| -71% | -$100M |
|
375
Evergy
EVRG
$18.9B
| $41.6M | 0.07% |
507,902
-303,300
| -37% | -$24M |
|
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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.