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 | |
|---|---|---|---|---|---|---|
3151
Aterian
ATER
$5.32M
| $27.9K | ﹤0.01% |
48,647
+5,800
| +14% | +$3.79K |
|
3152
Cenntro
CENN
$8.46M
| $27.7K | ﹤0.01% |
3,850
-1,474
| -28% | -$11.6K |
|
3153
Inhibikase Therapeutics
IKT
$385M
| $27.7K | ﹤0.01% |
+16,500
| New | +$29.3K |
|
|
FLYE
3154
Fly-E Group
FLYE
$2.81M
| $26.5K | ﹤0.01% |
+12,600
| New | +$49.8K |
|
3155
Mind CTI
MNDO
$20.4M
| $25.8K | ﹤0.01% |
+22,474
| New | +$26.8K |
|
|
CLIK
3156
Click Holdings
CLIK
$12.3M
| $24.6K | ﹤0.01% |
+14,200
| New | +$53.5K |
|
3157
Milestone Scientific
MLSS
$43M
| $23.8K | ﹤0.01% |
82,497
-400
| -0.5% | -$112 |
|
3158
Socket Mobile
SCKT
$11.5M
| $23.1K | ﹤0.01% |
26,600
-8,900
| -25% | -$9.16K |
|
3159
Offerpad Solutions
OPAD
$23M
| $22.9K | ﹤0.01% |
3,492
-13,060
| -79% | -$128K |
|
3160
Ispire Technology
ISPR
$99.9M
| $22.8K | ﹤0.01% |
12,400
+2,300
| +23% | +$5.94K |
|
|
AHMA
3161
Ambitions Enterprise Management Co
AHMA
$50.8M
| $22.8K | ﹤0.01% |
+20,143
| New | +$218K |
|
3162
Mercer International
MERC
$33.5M
| $22.7K | ﹤0.01% |
16,011
-11,500
| -42% | -$21.9K |
|
|
POAS
3163
Phaos Technology Holdings (Cayman) Ltd
POAS
$3.26M
| $22.7K | ﹤0.01% |
+14,100
| New | +$38.9K |
|
|
LHSW
3164
Lianhe Sowell International Group
LHSW
$10.1M
| $22.1K | ﹤0.01% |
+9,105
| New | +$59.9K |
|
|
UHG
3165
DELISTED
United Homes Group
UHG
| $21.9K | ﹤0.01% |
+18,900
| New | +$30.4K |
|
3166
FibroBiologics
FBLG
$6.86M
| $21.1K | ﹤0.01% |
15,997
+4,417
| +38% | +$26.3K |
|
3167
Leslie's
LESL
$12.4M
| $20.6K | ﹤0.01% |
+18,353
| New | +$23.6K |
|
3168
Bullfrog AI
BFRG
$10.8M
| $20.2K | ﹤0.01% |
+12,000
| New | +$7.81K |
|
3169
Energy Focus
EFOI
$19.1M
| $19.8K | ﹤0.01% |
10,300
-1,200
| -10% | -$2.41K |
|
|
ENGS
3170
Energys Group
ENGS
$86.3M
| $19.3K | ﹤0.01% |
+16,500
| New | +$15.7K |
|
3171
INmune Bio
INMB
$57.7M
| $19.2K | ﹤0.01% |
+17,000
| New | +$24.2K |
|
|
PMA
3172
Ming Shing Group
PMA
$16.5M
| $19.2K | ﹤0.01% |
+22,800
| New | +$24.5K |
|
3173
Aprea Therapeutics
APRE
$8.17M
| $19.1K | ﹤0.01% |
+25,100
| New | +$19.7K |
|
|
ADGM
3174
Adagio Medical Holdings
ADGM
$16M
| $19K | ﹤0.01% |
+16,557
| New | +$16.8K |
|
|
REE
3175
DELISTED
REE Automotive
REE
| $18.8K | ﹤0.01% |
31,377
-400
| -1% | -$252 |
|
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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.