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 | |
|---|---|---|---|---|---|---|
401
Warner Music
WMG
$13B
| $38.9M | 0.06% |
1,521,800
+713,578
| +88% | +$20.2M |
|
402
Manulife Financial
MFC
$73.2B
| $38.8M | 0.06% |
1,125,424
+737,100
| +190% | +$26.5M |
|
|
SOLS
403
Solstice Advanced Materials
SOLS
$9.79B
| $38.4M | 0.06% |
+504,100
| New | +$34.6M |
|
404
Acadia Pharmaceuticals
ACAD
$5.09B
| $38.4M | 0.06% |
1,724,196
+191,600
| +13% | +$4.58M |
|
405
D.R. Horton
DHI
$40.9B
| $38.4M | 0.06% |
279,538
-384,000
| -58% | -$58M |
|
406
TJX Companies
TJX
$170B
| $38.1M | 0.06% |
238,500
-317,800
| -57% | -$49.5M |
|
407
Symbotic
SYM
$5.36B
| $38M | 0.06% |
714,800
-190,900
| -21% | -$10.9M |
|
408
Ciena
CIEN
$61.7B
| $38M | 0.06% |
97,800
+65,200
| +200% | +$19.9M |
|
409
Royalty Pharma
RPRX
$26.2B
| $37.9M | 0.06% |
+790,937
| New | +$34.6M |
|
410
Cenovus Energy
CVE
$55.6B
| $37.9M | 0.06% |
1,427,294
-3,845,400
| -73% | -$82M |
|
|
APLS
411
DELISTED
Apellis Pharmaceuticals
APLS
| $37.7M | 0.06% |
935,958
+302,900
| +48% | +$6.53M |
|
412
Madrigal Pharmaceuticals
MDGL
$12.6B
| $37.6M | 0.06% |
71,870
-11,992
| -14% | -$5.73M |
|
413
Viper Energy
VNOM
$15.3B
| $37.5M | 0.06% |
+797,278
| New | +$34.2M |
|
414
Biogen
BIIB
$30.4B
| $37.3M | 0.06% |
203,396
-195,800
| -49% | -$36.1M |
|
|
FISV
415
Fiserv Inc
FISV
$27.1B
| $37.3M | 0.06% |
668,227
+543,900
| +437% | +$33.7M |
|
416
SoFi Technologies
SOFI
$23B
| $36.8M | 0.06% |
+2,317,400
| New | +$48.8M |
|
417
Freshworks
FRSH
$3.23B
| $36.7M | 0.06% |
4,576,000
+2,021,412
| +79% | +$18.6M |
|
418
Hudbay
HBM
$12.5B
| $36.7M | 0.06% |
1,755,509
-436,400
| -20% | -$10.2M |
|
|
TGB
419
Trekor Metals
TGB
$3.24B
| $36.6M | 0.06% |
5,682,070
+267,640
| +5% | +$1.94M |
|
420
Grand Canyon Education
LOPE
$3.69B
| $36.6M | 0.06% |
215,102
-95,600
| -31% | -$16M |
|
421
Radware
RDWR
$1.23B
| $36.5M | 0.06% |
1,388,231
-237,795
| -15% | -$5.91M |
|
|
SGI
422
Somnigroup International
SGI
$13.5B
| $36.5M | 0.06% |
494,100
+325,700
| +193% | +$28.3M |
|
423
CRA International
CRAI
$1.06B
| $36.3M | 0.06% |
224,475
+10,500
| +5% | +$1.89M |
|
424
PTC Therapeutics
PTCT
$6.19B
| $36.3M | 0.06% |
533,300
-74,289
| -12% | -$5.26M |
|
425
LPL Financial
LPLA
$29.4B
| $36.3M | 0.06% |
120,540
+6,480
| +6% | +$2.17M |
|
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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.