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 | |
|---|---|---|---|---|---|---|
2501
iShares Core MSCI Europe ETF
IEUR
$9.13B
| $632K | ﹤0.01% |
+9,000
| New | +$657K |
|
2502
Rocky Mountain Chocolate Factory
RMCF
$14.2M
| $632K | ﹤0.01% |
280,918
-1,005
| -0.4% | -$2.35K |
|
2503
Expensify
EXFY
$209M
| $631K | ﹤0.01% |
725,000
+45,400
| +7% | +$53.9K |
|
2504
Knife River
KNF
$3.85B
| $629K | ﹤0.01% |
7,700
-108,400
| -93% | -$8.73M |
|
2505
Definitive Healthcare
DH
$70.6M
| $629K | ﹤0.01% |
511,140
-16,500
| -3% | -$28.7K |
|
2506
Stepan Co
SCL
$1.47B
| $625K | ﹤0.01% |
12,512
-6,415
| -34% | -$343K |
|
|
DOYU
2507
DouYu International Holdings
DOYU
$138M
| $625K | ﹤0.01% |
124,426
+8,088
| +7% | +$46.4K |
|
|
DAO
2508
Youdao
DAO
$2.24B
| $624K | ﹤0.01% |
63,500
+1,500
| +2% | +$15.7K |
|
|
IONX
2509
Defiance Daily Target 2X Long IONQ ETF
IONX
$211M
| $624K | ﹤0.01% |
+30,000
| New | +$1.34M |
|
2510
Atomera
ATOM
$214M
| $621K | ﹤0.01% |
+163,066
| New | +$614K |
|
|
DDI
2511
DoubleDown Interactive
DDI
$613M
| $619K | ﹤0.01% |
73,256
+19,256
| +36% | +$169K |
|
2512
Gibraltar Industries
ROCK
$1.46B
| $618K | ﹤0.01% |
15,500
-23,600
| -60% | -$1.14M |
|
2513
WidePoint Corp
WYY
$113M
| $617K | ﹤0.01% |
123,598
-8,500
| -6% | -$46.9K |
|
2514
Ginkgo Bioworks
DNA
$500M
| $616K | ﹤0.01% |
+100,456
| New | +$836K |
|
2515
Betterware México
BWMX
$607M
| $614K | ﹤0.01% |
36,400
-800
| -2% | -$14K |
|
|
XRN
2516
Chiron Real Estate Inc
XRN
$485M
| $612K | ﹤0.01% |
18,497
| – | – |
|
2517
Exagen
XGN
$160M
| $610K | ﹤0.01% |
203,272
+65,272
| +47% | +$252K |
|
|
ONCY
2518
Oncolytics Biotech
ONCY
$97.3M
| $608K | ﹤0.01% |
+715,838
| New | +$712K |
|
2519
Prenetics Global
PRE
$318M
| $605K | ﹤0.01% |
31,322
+14,400
| +85% | +$268K |
|
|
SCHV
2520
Schwab US Large-Cap Value ETF
SCHV
$16.2B
| $604K | ﹤0.01% |
19,800
-27,800
| -58% | -$866K |
|
2521
Schwab US Mid-Cap ETF
SCHM
$15.2B
| $604K | ﹤0.01% |
+19,500
| New | +$621K |
|
2522
Revolution Medicines
RVMD
$44.3B
| $603K | ﹤0.01% |
+6,200
| New | +$626K |
|
2523
Mid Penn Bancorp
MPB
$969M
| $602K | ﹤0.01% |
+18,731
| New | +$606K |
|
2524
JPMorgan BetaBuilders Canada ETF
BBCA
$11.3B
| $602K | ﹤0.01% |
+6,400
| New | +$612K |
|
2525
Asana
ASAN
$2.07B
| $601K | ﹤0.01% |
93,939
+83,300
| +783% | +$733K |
|
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.