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 | |
|---|---|---|---|---|---|---|
1801
iHeartMedia
IHRT
$457M
| $2.42M | ﹤0.01% |
828,729
+35,400
| +4% | +$117K |
|
1802
Autohome
ATHM
$2.61B
| $2.42M | ﹤0.01% |
+139,200
| New | +$2.86M |
|
1803
First Bancorp
FBP
$4.53B
| $2.42M | ﹤0.01% |
113,113
-253,900
| -69% | -$5.47M |
|
1804
Alpha Pro Tech
APT
$55.4M
| $2.42M | ﹤0.01% |
544,072
+21,100
| +4% | +$104K |
|
1805
Floor & Decor
FND
$6.24B
| $2.41M | ﹤0.01% |
+47,500
| New | +$3.09M |
|
1806
Avantis US Large Cap Value ETF
AVLV
$18.5B
| $2.4M | ﹤0.01% |
29,800
+18,600
| +166% | +$1.51M |
|
1807
CSP Inc
CSPI
$81.1M
| $2.4M | ﹤0.01% |
277,426
-8,700
| -3% | -$86.4K |
|
1808
Nuvation Bio
NUVB
$2.18B
| $2.4M | ﹤0.01% |
+559,180
| New | +$3.12M |
|
1809
Townsquare Media
TSQ
$104M
| $2.4M | ﹤0.01% |
441,463
-11,289
| -2% | -$71.1K |
|
1810
GCM Grosvenor
GCMG
$2.81B
| $2.39M | ﹤0.01% |
243,700
+1,200
| +0.5% | +$13.3K |
|
1811
BWX Technologies
BWXT
$15.9B
| $2.37M | ﹤0.01% |
+11,600
| New | +$2.36M |
|
|
RERE
1812
ATRenew
RERE
$1.01B
| $2.37M | ﹤0.01% |
+504,946
| New | +$2.85M |
|
1813
Radcom
RDCM
$176M
| $2.36M | ﹤0.01% |
193,793
-14,940
| -7% | -$179K |
|
|
YALA
1814
Yalla Group
YALA
$832M
| $2.35M | ﹤0.01% |
377,500
-33,000
| -8% | -$226K |
|
1815
Imperial Petroleum
IMPP
$217M
| $2.35M | ﹤0.01% |
549,140
+314,796
| +134% | +$1.26M |
|
1816
Caleres
CAL
$449M
| $2.34M | ﹤0.01% |
222,250
-134,200
| -38% | -$1.6M |
|
1817
Peloton Interactive
PTON
$2.47B
| $2.34M | ﹤0.01% |
544,900
+160,700
| +42% | +$784K |
|
1818
Lyell Immunopharma
LYEL
$342M
| $2.34M | ﹤0.01% |
116,411
+76,921
| +195% | +$1.8M |
|
1819
Pliant Therapeutics
PLRX
$66.3M
| $2.33M | ﹤0.01% |
1,852,842
+807,024
| +77% | +$1.02M |
|
1820
Tucows
TCX
$126M
| $2.33M | ﹤0.01% |
135,851
-4,000
| -3% | -$78.6K |
|
1821
Alerus Financial
ALRS
$838M
| $2.33M | ﹤0.01% |
98,286
-20,726
| -17% | -$502K |
|
1822
Alto Neuroscience
ANRO
$1.25B
| $2.33M | ﹤0.01% |
103,499
+6,100
| +6% | +$113K |
|
1823
Edwards Lifesciences
EW
$52.8B
| $2.32M | ﹤0.01% |
+29,000
| New | +$2.39M |
|
1824
Air T
AIRT
$79.2M
| $2.32M | ﹤0.01% |
106,411
-3,500
| -3% | -$76.9K |
|
|
MH
1825
McGraw Hill
MH
$2.51B
| $2.32M | ﹤0.01% |
169,100
+111,812
| +195% | +$1.57M |
|
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.