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 | |
|---|---|---|---|---|---|---|
326
Jacobs Solutions
J
$17.3B
| $49.6M | 0.08% |
390,000
+159,000
| +69% | +$21.6M |
|
327
A.O. Smith
AOS
$8.65B
| $49.1M | 0.08% |
744,400
+111,700
| +18% | +$8.05M |
|
328
Brookfield Asset Management
BAM
$88.4B
| $49M | 0.08% |
1,103,325
+815,800
| +284% | +$39.8M |
|
329
PLDT
PHI
$4.23B
| $49M | 0.08% |
2,327,067
+29,024
| +1% | +$656K |
|
330
Kodiak Gas Services
KGS
$6.17B
| $48.9M | 0.08% |
838,622
+263,700
| +46% | +$12.8M |
|
331
Moody's
MCO
$82.5B
| $48.9M | 0.08% |
+112,080
| New | +$53M |
|
332
Teradyne
TER
$59.3B
| $48.9M | 0.08% |
164,900
+163,600
| +12,585% | +$45.6M |
|
333
Grab
GRAB
$15.3B
| $48.7M | 0.08% |
+13,314,435
| New | +$56.5M |
|
334
Collegium Pharmaceutical
COLL
$843M
| $48.6M | 0.08% |
1,469,449
-147,900
| -9% | -$6.26M |
|
335
Gartner
IT
$11.8B
| $48.3M | 0.08% |
305,089
+226,880
| +290% | +$41.7M |
|
336
Tower Semiconductor
TSEM
$28.2B
| $48.2M | 0.08% |
274,749
+24,200
| +10% | +$3.25M |
|
337
Tradeweb Markets
TW
$22B
| $48.1M | 0.08% |
408,818
-183,700
| -31% | -$21M |
|
338
Applied Optoelectronics
AAOI
$11.4B
| $47.8M | 0.07% |
+565,279
| New | +$36.1M |
|
339
HEICO Corp
HEI
$51.3B
| $47.6M | 0.07% |
173,484
+64,760
| +60% | +$20.8M |
|
340
Star Bulk Carriers
SBLK
$3.09B
| $47.5M | 0.07% |
2,067,637
+237,248
| +13% | +$5.4M |
|
341
Canadian National Railway
CNI
$76.4B
| $47.3M | 0.07% |
460,500
+157,900
| +52% | +$16.3M |
|
342
TIM SA
TIMB
$8.62B
| $47.3M | 0.07% |
1,786,425
-61,961
| -3% | -$1.52M |
|
343
Halozyme
HALO
$11.6B
| $47.3M | 0.07% |
731,811
+169,100
| +30% | +$11.9M |
|
344
Marqeta
MQ
$1.62B
| $47.2M | 0.07% |
2,895,072
+59,483
| +2% | +$1M |
|
345
NVR
NVR
$17.1B
| $46.7M | 0.07% |
7,080
+2,220
| +46% | +$16.2M |
|
346
Vulcan Materials
VMC
$37.3B
| $46.5M | 0.07% |
+170,605
| New | +$50.2M |
|
347
IDT Corp
IDT
$1.63B
| $46.4M | 0.07% |
946,013
-28,793
| -3% | -$1.42M |
|
348
Liquidity Services
LQDT
$1.31B
| $45.9M | 0.07% |
1,501,667
-64,300
| -4% | -$2M |
|
349
GoDaddy
GDDY
$11.5B
| $45.7M | 0.07% |
553,300
+117,800
| +27% | +$11.2M |
|
350
Brookfield Renewable
BEPC
$6.46B
| $45.6M | 0.07% |
1,144,695
-73,600
| -6% | -$3M |
|
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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.