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 | |
|---|---|---|---|---|---|---|
|
CLYM
2051
Climb Bio
CLYM
$843M
| $1.49M | ﹤0.01% |
217,300
-103,300
| -32% | -$596K |
|
2052
Eaton Vance Total Return Bond ETF
EVTR
$5.74B
| $1.49M | ﹤0.01% |
+29,300
| New | +$1.51M |
|
2053
Valens Semiconductor
VLN
$219M
| $1.48M | ﹤0.01% |
1,311,700
+170,444
| +15% | +$268K |
|
2054
State Street Materials Select Sector SPDR ETF
XLB
$8.59B
| $1.48M | ﹤0.01% |
29,600
+6,200
| +26% | +$311K |
|
|
WHWK
2055
Whitehawk Therapeutics
WHWK
$271M
| $1.48M | ﹤0.01% |
428,622
-12,100
| -3% | -$37.9K |
|
2056
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.27B
| $1.48M | ﹤0.01% |
64,300
-224,600
| -78% | -$5.23M |
|
2057
First Trust Capital Strength ETF
FTCS
$7.97B
| $1.47M | ﹤0.01% |
+15,900
| New | +$1.53M |
|
2058
Peoples Bancorp of North Carolina
PEBK
$242M
| $1.47M | ﹤0.01% |
37,614
+9,407
| +33% | +$354K |
|
2059
ECB Bancorp
ECBK
$181M
| $1.47M | ﹤0.01% |
87,866
-4,534
| -5% | -$78.5K |
|
2060
BTCS Inc
BTCS
$54.8M
| $1.47M | ﹤0.01% |
1,057,100
+695,555
| +192% | +$1.42M |
|
2061
ALX Oncology
ALXO
$277M
| $1.47M | ﹤0.01% |
732,599
+309,500
| +73% | +$590K |
|
2062
ICU Medical
ICUI
$4.53B
| $1.46M | ﹤0.01% |
11,309
-24,991
| -69% | -$3.59M |
|
2063
Dimensional Emerging Core Equity Market ETF
DFAE
$9.85B
| $1.46M | ﹤0.01% |
+43,100
| New | +$1.51M |
|
2064
Aldeyra Therapeutics
ALDX
$92.9M
| $1.46M | ﹤0.01% |
863,187
+513,187
| +147% | +$2.25M |
|
2065
PRA Group
PRAA
$775M
| $1.46M | ﹤0.01% |
83,332
-41,668
| -33% | -$634K |
|
2066
Dollar Tree
DLTR
$24.8B
| $1.46M | ﹤0.01% |
13,300
-191,403
| -94% | -$23.4M |
|
2067
Petco
WOOF
$822M
| $1.46M | ﹤0.01% |
+523,495
| New | +$1.45M |
|
|
ETHD
2068
ProShares UltraShort Ether ETF
ETHD
$63.2M
| $1.45M | ﹤0.01% |
+23,100
| New | +$1.5M |
|
2069
Energy Recovery
ERII
$386M
| $1.45M | ﹤0.01% |
144,265
+41,280
| +40% | +$540K |
|
2070
Encore Capital Group
ECPG
$2.14B
| $1.45M | ﹤0.01% |
20,700
+13,700
| +196% | +$842K |
|
2071
Box
BOX
$4.47B
| $1.45M | ﹤0.01% |
61,308
-330,005
| -84% | -$8.3M |
|
|
TRTX
2072
TPG RE Finance Trust
TRTX
$617M
| $1.45M | ﹤0.01% |
185,505
-30,100
| -14% | -$259K |
|
|
LGO
2073
Largo
LGO
$76.5M
| $1.45M | ﹤0.01% |
1,293,300
+1,116,534
| +632% | +$1.52M |
|
2074
Epsilon Energy
EPSN
$165M
| $1.45M | ﹤0.01% |
234,900
-10,500
| -4% | -$53.6K |
|
2075
Global Water Resources
GWRS
$240M
| $1.45M | ﹤0.01% |
190,547
-12,400
| -6% | -$104K |
|
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.