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 | |
|---|---|---|---|---|---|---|
2926
Grid Dynamics Holdings
GDYN
$634M
| $188K | ﹤0.01% |
33,000
-121,600
| -79% | -$895K |
|
2927
SenesTech
SNES
$6.83M
| $187K | ﹤0.01% |
114,000
-28,800
| -20% | -$58K |
|
|
KYNB
2928
Kyntra Bio
KYNB
$29.3M
| $186K | ﹤0.01% |
27,481
-4,200
| -13% | -$32.9K |
|
2929
Inuvo
INUV
$15M
| $185K | ﹤0.01% |
89,241
-2,600
| -3% | -$6.36K |
|
|
ORGN
2930
DELISTED
Origin Materials
ORGN
| $183K | ﹤0.01% |
80,458
+39,956
| +99% | +$196K |
|
2931
CVRx
CVRX
$68.2M
| $183K | ﹤0.01% |
+19,300
| New | +$141K |
|
2932
The Honest Company
HNST
$545M
| $182K | ﹤0.01% |
61,755
-566,845
| -90% | -$1.46M |
|
2933
a.k.a. Brands
AKA
$116M
| $181K | ﹤0.01% |
17,569
-1,000
| -5% | -$10.7K |
|
|
CMCM
2934
Cheetah Mobile
CMCM
$94.4M
| $181K | ﹤0.01% |
32,842
+1,097
| +3% | +$7.13K |
|
2935
Westrock Coffee
WEST
$808M
| $179K | ﹤0.01% |
42,000
-23,675
| -36% | -$106K |
|
2936
Mannatech
MTEX
$9.78M
| $178K | ﹤0.01% |
30,878
-900
| -3% | -$6.51K |
|
2937
Talphera
TLPH
$71.1M
| $178K | ﹤0.01% |
237,755
-19,625
| -8% | -$17.8K |
|
2938
Guardforce AI
GFAI
$11M
| $177K | ﹤0.01% |
395,200
+47,500
| +14% | +$25.7K |
|
2939
Goldgroup Mining Inc.
GORO
$208M
| $175K | ﹤0.01% |
145,693
-1,472,722
| -91% | -$1.99M |
|
2940
Biodesix
BDSX
$260M
| $173K | ﹤0.01% |
+11,948
| New | +$148K |
|
2941
Verrica Pharmaceuticals
VRCA
$88.1M
| $171K | ﹤0.01% |
32,360
+5,960
| +23% | +$38.2K |
|
2942
Bluerock Homes Trust
BHM
$36.2M
| $170K | ﹤0.01% |
14,999
+99
| +0.7% | +$1.02K |
|
2943
Willamette Valley Vineyards
WVVI
$11.5M
| $170K | ﹤0.01% |
66,052
-2,600
| -4% | -$7.08K |
|
2944
Summit State Bank
SSBI
$87.4M
| $168K | ﹤0.01% |
12,590
+200
| +2% | +$2.63K |
|
2945
VirTra
VTSI
$35.1M
| $167K | ﹤0.01% |
45,100
+100
| +0.2% | +$448 |
|
2946
VistaGen Therapeutics
VTGN
$11.6M
| $166K | ﹤0.01% |
291,300
+130,509
| +81% | +$79.3K |
|
2947
Ark Restaurants
ARKR
$20M
| $165K | ﹤0.01% |
25,211
-1,200
| -5% | -$8.1K |
|
2948
Yext
YEXT
$566M
| $164K | ﹤0.01% |
42,800
-366,400
| -90% | -$2.2M |
|
2949
Cardiff Oncology
CRDF
$80.9M
| $164K | ﹤0.01% |
+101,253
| New | +$208K |
|
|
SVC
2950
Service Properties Trust
SVC
$1.09B
| $164K | ﹤0.01% |
24,160
-320
| -1% | -$3.33K |
|
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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.