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 | |
|---|---|---|---|---|---|---|
|
SELF
2226
Global Self Storage
SELF
$58.6M
| $1.1M | ﹤0.01% |
216,175
+1,350
| +0.6% | +$6.84K |
|
2227
iShares US Transportation ETF
IYT
$2.27B
| $1.1M | ﹤0.01% |
+14,800
| New | +$1.15M |
|
2228
SK Telecom
SKM
$13.5B
| $1.1M | ﹤0.01% |
37,687
+8,692
| +30% | +$240K |
|
2229
Invivyd
IVVD
$216M
| $1.1M | ﹤0.01% |
846,265
-180,355
| -18% | -$331K |
|
2230
NET Power
NPWR
$144M
| $1.1M | ﹤0.01% |
703,800
+609,200
| +644% | +$1.3M |
|
2231
Better Online Solutions
BOSC
$31.8M
| $1.09M | ﹤0.01% |
243,311
+6,404
| +3% | +$31.1K |
|
2232
Edgewell Personal Care
EPC
$1.32B
| $1.09M | ﹤0.01% |
50,900
-164,300
| -76% | -$3.31M |
|
|
MDV
2233
Modiv Industrial
MDV
$186M
| $1.08M | ﹤0.01% |
75,700
+9,702
| +15% | +$144K |
|
|
AMBQ
2234
Ambiq Micro
AMBQ
$1.58B
| $1.08M | ﹤0.01% |
+42,600
| New | +$1.27M |
|
2235
World Kinect Corp
WKC
$1.89B
| $1.07M | ﹤0.01% |
46,486
+30,300
| +187% | +$769K |
|
2236
AMES National
ATLO
$281M
| $1.07M | ﹤0.01% |
37,984
-7,100
| -16% | -$186K |
|
2237
iShares California Muni Bond ETF
CMF
$4.62B
| $1.06M | ﹤0.01% |
18,700
-93,900
| -83% | -$5.42M |
|
2238
Vanguard FTSE Emerging Markets ETF
VWO
$126B
| $1.06M | ﹤0.01% |
19,670
-103,300
| -84% | -$5.79M |
|
2239
enGene Therapeutics
ENGN
$114M
| $1.06M | ﹤0.01% |
156,100
+135,318
| +651% | +$1.2M |
|
2240
Atmus Filtration Technologies
ATMU
$4.06B
| $1.06M | ﹤0.01% |
18,700
-28,700
| -61% | -$1.7M |
|
|
OSG
2241
Octave Specialty Group
OSG
$210M
| $1.06M | ﹤0.01% |
227,726
+202,568
| +805% | +$1.16M |
|
2242
Citizens Community Bancorp
CZWI
$200M
| $1.06M | ﹤0.01% |
53,400
+9,300
| +21% | +$171K |
|
2243
Metagenomi Therapeutics
MGX
$46.1M
| $1.06M | ﹤0.01% |
787,900
+159,500
| +25% | +$248K |
|
2244
National Bankshares
NKSH
$271M
| $1.06M | ﹤0.01% |
28,980
+4,310
| +17% | +$157K |
|
2245
Acrivon Therapeutics
ACRV
$73.6M
| $1.05M | ﹤0.01% |
758,440
+124,271
| +20% | +$217K |
|
2246
Cerus
CERS
$546M
| $1.05M | ﹤0.01% |
578,900
+80,900
| +16% | +$176K |
|
2247
Vanguard Morningstar Large-Cap ETF
VV
$54.5B
| $1.05M | ﹤0.01% |
3,520
-3,520
| -50% | -$1.1M |
|
2248
Arq
ARQ
$100M
| $1.05M | ﹤0.01% |
410,570
-1,729
| -0.4% | -$5.54K |
|
2249
CarParts.com
PRTS
$48.7M
| $1.05M | ﹤0.01% |
133,630
-1,640
| -1% | -$10.7K |
|
2250
iShares MSCI Chile ETF
ECH
$1.03B
| $1.05M | ﹤0.01% |
26,400
-55,136
| -68% | -$2.35M |
|
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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.