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 | |
|---|---|---|---|---|---|---|
3126
Tandy Leather Factory
TLF
$19.7M
| $38.6K | ﹤0.01% |
16,700
-4,800
| -22% | -$12.9K |
|
3127
PharmaCyte Biotech
PMCB
$5.9M
| $37.6K | ﹤0.01% |
56,500
-37,536
| -40% | -$28.7K |
|
3128
SurgePays
SURG
$7.57M
| $37.5K | ﹤0.01% |
49,900
+1,900
| +4% | +$2.1K |
|
3129
Vivani Medical
VANI
$120M
| $37.3K | ﹤0.01% |
37,295
-60,690
| -62% | -$75.9K |
|
|
DKI
3130
DarkIris Inc
DKI
$8.22M
| $36.7K | ﹤0.01% |
7,809
+4,632
| +146% | +$31.5K |
|
|
TUYA
3131
Tuya Inc
TUYA
$1.1B
| $36.5K | ﹤0.01% |
+15,800
| New | +$36.1K |
|
|
BGL
3132
Blue Gold Ltd
BGL
$8.91M
| $35.4K | ﹤0.01% |
+29,254
| New | +$64.4K |
|
3133
Scienjoy Holding
SJ
$34.8M
| $35.3K | ﹤0.01% |
28,004
-100
| -0.4% | -$120 |
|
|
AIFA
3134
All In FutureTech Alliance Inc
AIFA
$20.3M
| $34.8K | ﹤0.01% |
21,232
+9,700
| +84% | +$18.4K |
|
3135
TELA Bio
TELA
$35.4M
| $32.6K | ﹤0.01% |
52,600
-76,100
| -59% | -$66.1K |
|
3136
eHealth
EHTH
$39.1M
| $32.4K | ﹤0.01% |
25,100
-14,400
| -36% | -$33.4K |
|
3137
NexGel
NXGL
$3.93M
| $32.3K | ﹤0.01% |
50,960
-4,347
| -8% | -$5.37K |
|
|
RNTX
3138
Rein Therapeutics
RNTX
$69.9M
| $31.9K | ﹤0.01% |
24,500
+1,800
| +8% | +$2.23K |
|
|
ATYR
3139
aTyr Pharma
ATYR
$52.4M
| $31.6K | ﹤0.01% |
+40,522
| New | +$34.2K |
|
3140
CBAK Energy Technology Ltd
CBAT
$69.2M
| $31.4K | ﹤0.01% |
38,000
-83,882
| -69% | -$75.9K |
|
|
RVPH
3141
DELISTED
REVIVA PHARMA HLDGS INC
RVPH
| $31.4K | ﹤0.01% |
+43,002
| New | +$196K |
|
3142
DSS Inc
DSS
$5.15M
| $30.9K | ﹤0.01% |
37,242
+5,794
| +18% | +$5.61K |
|
3143
CN Energy Group
CNEY
$5.22M
| $30.4K | ﹤0.01% |
+74,391
| New | +$59.7K |
|
|
NCT
3144
Intercont (Cayman) Ltd
NCT
$34.7M
| $30.4K | ﹤0.01% |
16,556
+11,933
| +258% | +$54.3K |
|
3145
Cardio Diagnostics
CDIO
$5.42M
| $29.9K | ﹤0.01% |
+15,348
| New | +$40.2K |
|
3146
Genelux
GNLX
$119M
| $29.5K | ﹤0.01% |
12,200
-10,900
| -47% | -$29.7K |
|
3147
OPAL Fuels
OPAL
$74.5M
| $29.5K | ﹤0.01% |
+11,700
| New | +$26.9K |
|
|
MOGU
3148
MOGU Inc
MOGU
$16M
| $29K | ﹤0.01% |
12,989
-2,067
| -14% | -$4.71K |
|
|
AMTD
3149
AMTD IDEA Group
AMTD
$70.3M
| $28.8K | ﹤0.01% |
29,073
+12,407
| +74% | +$12.5K |
|
3150
InspireMD
NSPR
$39.9M
| $28.7K | ﹤0.01% |
+17,609
| New | +$30K |
|
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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.