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 | |
|---|---|---|---|---|---|---|
2351
Pure Cycle
PCYO
$273M
| $849K | ﹤0.01% |
84,439
+23,139
| +38% | +$251K |
|
2352
Cognition Therapeutics
CGTX
$98.9M
| $848K | ﹤0.01% |
1,117,136
+147,623
| +15% | +$172K |
|
|
CTEV
2353
Claritev Corp
CTEV
$599M
| $848K | ﹤0.01% |
51,915
-28,000
| -35% | -$627K |
|
2354
Xtrackers USD High Yield Corporate Bond ETF
HYLB
$3.48B
| $843K | ﹤0.01% |
+23,300
| New | +$856K |
|
|
ABVE
2355
DELISTED
Above Food Ingredients Inc
ABVE
| $841K | ﹤0.01% |
832,717
+763,136
| +1,097% | +$1.22M |
|
2356
Champions Oncology
CSBR
$68.8M
| $837K | ﹤0.01% |
145,539
-9,300
| -6% | -$59.1K |
|
2357
Willdan Group
WLDN
$1.29B
| $835K | ﹤0.01% |
10,900
-13,100
| -55% | -$1.39M |
|
2358
Portillo's
PTLO
$345M
| $834K | ﹤0.01% |
157,697
-1,047,200
| -87% | -$5.7M |
|
2359
Xerox
XRX
$412M
| $833K | ﹤0.01% |
645,624
+582,724
| +926% | +$1.15M |
|
2360
US GoldMining
USGO
$122M
| $833K | ﹤0.01% |
71,600
-1,500
| -2% | -$18K |
|
|
STRR
2361
Star Equity Holdings
STRR
$40.1M
| $832K | ﹤0.01% |
80,926
+2,200
| +3% | +$22.3K |
|
2362
VanEck Intermediate Muni ETF
ITM
$2.13B
| $831K | ﹤0.01% |
17,900
-15,300
| -46% | -$724K |
|
2363
Berkshire Hathaway Class B
BRK.B
$1.09T
| $825K | ﹤0.01% |
1,722
-250,466
| -99% | -$123M |
|
2364
GrafTech
EAF
$201M
| $823K | ﹤0.01% |
+121,344
| New | +$1.28M |
|
|
ASIC
2365
Ategrity Specialty Insurance
ASIC
$1.18B
| $822K | ﹤0.01% |
41,600
+16,900
| +68% | +$327K |
|
2366
Rapid7
RPD
$827M
| $822K | ﹤0.01% |
149,196
+125,700
| +535% | +$1.15M |
|
2367
Hamilton Insurance Group
HG
$2.32B
| $822K | ﹤0.01% |
27,548
-128,252
| -82% | -$3.69M |
|
2368
Digimarc Corp
DMRC
$167M
| $820K | ﹤0.01% |
+167,100
| New | +$928K |
|
|
KYIV
2369
Kyivstar Group
KYIV
$3.07B
| $820K | ﹤0.01% |
+81,000
| New | +$959K |
|
2370
Aware
AWRE
$26M
| $820K | ﹤0.01% |
655,712
+10,139
| +2% | +$16.9K |
|
2371
Newell Brands
NWL
$2.62B
| $818K | ﹤0.01% |
238,527
-164,821
| -41% | -$692K |
|
2372
Schwab International Small-Cap Equity ETF
SCHC
$5.67B
| $818K | ﹤0.01% |
+17,500
| New | +$846K |
|
2373
Schwab International Equity ETF
SCHF
$69.1B
| $817K | ﹤0.01% |
33,000
-13,500
| -29% | -$343K |
|
2374
ACV Auctions
ACVA
$1.35B
| $815K | ﹤0.01% |
+192,200
| New | +$1.26M |
|
2375
Digital Turbine
APPS
$1.5B
| $814K | ﹤0.01% |
282,800
-459,500
| -62% | -$1.97M |
|
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.