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 | |
|---|---|---|---|---|---|---|
2076
Nabors Industries
NBR
$1.34B
| $1.45M | ﹤0.01% |
16,800
+11,800
| +236% | +$856K |
|
2077
Delcath Systems
DCTH
$589M
| $1.44M | ﹤0.01% |
155,300
-206,299
| -57% | -$2M |
|
|
UDMY
2078
DELISTED
Udemy
UDMY
| $1.44M | ﹤0.01% |
311,901
-117,600
| -27% | -$580K |
|
2079
Surrozen
SRZN
$282M
| $1.43M | ﹤0.01% |
49,126
+26,500
| +117% | +$635K |
|
2080
JPMorgan Municipal ETF
JMUB
$8.53B
| $1.43M | ﹤0.01% |
28,600
-57,200
| -67% | -$2.9M |
|
2081
NBT Bancorp
NBTB
$2.79B
| $1.43M | ﹤0.01% |
33,473
-28,300
| -46% | -$1.23M |
|
2082
Copel
ELPC
$7.91B
| $1.43M | ﹤0.01% |
119,359
-271,633
| -69% | -$2.89M |
|
2083
1stdibs.com
DIBS
$162M
| $1.42M | ﹤0.01% |
258,500
-82,100
| -24% | -$455K |
|
2084
Eagle Bancorp Montana
EBMT
$189M
| $1.42M | ﹤0.01% |
69,010
-400
| -0.6% | -$8.53K |
|
2085
Invesco FTSE RAFI US 1000 ETF
PRF
$10.1B
| $1.42M | ﹤0.01% |
29,800
+6,300
| +27% | +$306K |
|
2086
Morgan Stanley Direct Lending Fund
MSDL
$1.29B
| $1.42M | ﹤0.01% |
101,429
-32,071
| -24% | -$496K |
|
2087
Hyster-Yale Materials Handling
HY
$614M
| $1.41M | ﹤0.01% |
43,400
+3,500
| +9% | +$120K |
|
2088
Deluxe
DLX
$1.09B
| $1.41M | ﹤0.01% |
+51,230
| New | +$1.34M |
|
2089
908 Devices
MASS
$420M
| $1.41M | ﹤0.01% |
230,200
+8,100
| +4% | +$50.7K |
|
2090
Rallybio
RLYB
$89.6M
| $1.4M | ﹤0.01% |
156,527
+52,065
| +50% | +$356K |
|
|
SNT
2091
Senstar Technologies
SNT
$43.9M
| $1.4M | ﹤0.01% |
462,969
-12,300
| -3% | -$45.3K |
|
2092
MaxCyte
MXCT
$159M
| $1.4M | ﹤0.01% |
1,993,200
+1,206,300
| +153% | +$1.13M |
|
|
KZR
2093
DELISTED
Kezar Life Sciences
KZR
| $1.4M | ﹤0.01% |
188,426
+57,141
| +44% | +$372K |
|
2094
Ingredion
INGR
$6.62B
| $1.4M | ﹤0.01% |
12,400
-3,500
| -22% | -$402K |
|
2095
First Trust Global Tactical Commodity Strategy Fund
FTGC
$3.08B
| $1.4M | ﹤0.01% |
48,600
+11,500
| +31% | +$297K |
|
2096
Karooooo
KARO
$1.94B
| $1.39M | ﹤0.01% |
27,987
+400
| +1% | +$18.9K |
|
2097
Evolus
EOLS
$544M
| $1.39M | ﹤0.01% |
339,025
-460,875
| -58% | -$2.23M |
|
2098
ReNew
RNW
$2.48B
| $1.39M | ﹤0.01% |
302,800
-7,200
| -2% | -$38.3K |
|
|
AEBI
2099
Aebi Schmidt Holding AG
AEBI
$1.11B
| $1.38M | ﹤0.01% |
142,200
+59,000
| +71% | +$809K |
|
2100
Vanguard Extended Market ETF
VXF
$32.2B
| $1.38M | ﹤0.01% |
6,700
+1,700
| +34% | +$364K |
|
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.