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 | |
|---|---|---|---|---|---|---|
|
STLN
1701
Starling Oncology, Inc. Common Stock
STLN
$657M
| $2.77M | ﹤0.01% |
902,809
+180,909
| +25% | +$555K |
|
1702
Alector
ALEC
$219M
| $2.77M | ﹤0.01% |
1,287,691
-255,959
| -17% | -$514K |
|
1703
Vanguard Total International Bond ETF
BNDX
$82.7B
| $2.75M | ﹤0.01% |
+57,322
| New | +$2.78M |
|
1704
Consumer Portfolio Services
CPSS
$205M
| $2.75M | ﹤0.01% |
356,158
-15,400
| -4% | -$129K |
|
1705
Designer Brands
DBI
$299M
| $2.75M | ﹤0.01% |
483,436
+208,636
| +76% | +$1.4M |
|
1706
First Bancorp
FNLC
$402M
| $2.75M | ﹤0.01% |
98,063
-3,400
| -3% | -$94.4K |
|
|
GTY
1707
Getty Realty Corp
GTY
$2.05B
| $2.75M | ﹤0.01% |
86,321
-142,403
| -62% | -$4.45M |
|
1708
MasterCraft Boat Holdings
MCFT
$605M
| $2.74M | ﹤0.01% |
133,456
-4,600
| -3% | -$99.7K |
|
1709
First Financial Bankshares
FFIN
$5.06B
| $2.73M | ﹤0.01% |
92,808
-55,000
| -37% | -$1.73M |
|
1710
AdaptHealth
AHCO
$775M
| $2.72M | ﹤0.01% |
228,373
+21,000
| +10% | +$215K |
|
1711
Neumora Therapeutics
NMRA
$296M
| $2.71M | ﹤0.01% |
1,388,998
-56,904
| -4% | -$147K |
|
1712
Preferred Bank
PFBC
$1.28B
| $2.71M | ﹤0.01% |
29,855
-19,900
| -40% | -$1.8M |
|
1713
Alamo Group
ALG
$2.01B
| $2.71M | ﹤0.01% |
16,400
+14,000
| +583% | +$2.64M |
|
1714
PetMed Express
PETS
$38.9M
| $2.7M | ﹤0.01% |
1,186,369
-40,200
| -3% | -$117K |
|
|
CDNL
1715
Cardinal Infrastructure Group
CDNL
$805M
| $2.7M | ﹤0.01% |
+68,200
| New | +$1.98M |
|
1716
Eastern Company
EML
$153M
| $2.7M | ﹤0.01% |
133,237
+18,000
| +16% | +$341K |
|
1717
MillerKnoll
MLKN
$1.62B
| $2.69M | ﹤0.01% |
+186,183
| New | +$3.66M |
|
1718
Structure Therapeutics
GPCR
$3.87B
| $2.69M | ﹤0.01% |
55,800
-59,400
| -52% | -$4.07M |
|
1719
Acco Brands
ACCO
$401M
| $2.68M | ﹤0.01% |
894,821
-418,626
| -32% | -$1.58M |
|
|
BRCB
1720
Black Rock Coffee Bar Inc
BRCB
$182M
| $2.68M | ﹤0.01% |
207,600
+133,296
| +179% | +$2.16M |
|
1721
Geron
GERN
$943M
| $2.68M | ﹤0.01% |
1,799,521
+1,062,355
| +144% | +$1.61M |
|
1722
Holley
HLLY
$377M
| $2.68M | ﹤0.01% |
873,100
-225,183
| -21% | -$853K |
|
1723
Dimensional US Large Cap Value ETF
DFLV
$7.03B
| $2.67M | ﹤0.01% |
+74,900
| New | +$2.7M |
|
1724
Latham Group
SWIM
$861M
| $2.67M | ﹤0.01% |
497,500
+41,100
| +9% | +$262K |
|
1725
TAL Education Group
TAL
$6.46B
| $2.66M | ﹤0.01% |
+234,200
| New | +$2.64M |
|
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.