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 | |
|---|---|---|---|---|---|---|
|
FLY
1001
Firefly Aerospace
FLY
$4.36B
| $9.38M | 0.01% |
329,300
+305,800
| +1,301% | +$7.45M |
|
|
TPH
1002
DELISTED
Tri Pointe Homes
TPH
| $9.36M | 0.01% |
200,236
-84,200
| -30% | -$3.43M |
|
1003
Ares Management
ARES
$32.1B
| $9.35M | 0.01% |
+85,700
| New | +$11.4M |
|
1004
Nexa Resources
NEXA
$1.93B
| $9.32M | 0.01% |
879,872
+27,072
| +3% | +$313K |
|
1005
American Water Works
AWK
$26.8B
| $9.29M | 0.01% |
68,300
-111,900
| -62% | -$14.8M |
|
|
HTO
1006
H2O America
HTO
$2.62B
| $9.26M | 0.01% |
157,900
+73,900
| +88% | +$4.02M |
|
1007
State Street SPDR S&P Regional Banking ETF
KRE
$4.64B
| $9.24M | 0.01% |
141,900
+24,600
| +21% | +$1.66M |
|
1008
ATN International
ATNI
$478M
| $9.19M | 0.01% |
337,735
-6,324
| -2% | -$161K |
|
1009
Arcus Biosciences
RCUS
$3.69B
| $9.17M | 0.01% |
424,700
+392,000
| +1,199% | +$8.47M |
|
1010
Eos Energy Enterprises
EOSE
$1.54B
| $9.15M | 0.01% |
+1,845,231
| New | +$19.8M |
|
1011
Rigel Pharmaceuticals
RIGL
$782M
| $9.15M | 0.01% |
338,441
-200,568
| -37% | -$6.74M |
|
1012
Zillow
ZG
$7.53B
| $9.14M | 0.01% |
220,763
-50,937
| -19% | -$2.69M |
|
1013
AngioDynamics
ANGO
$651M
| $9.13M | 0.01% |
803,283
-39,800
| -5% | -$431K |
|
|
GLIBK
1014
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$1.03B
| $9.13M | 0.01% |
245,300
+198,900
| +429% | +$7.52M |
|
|
NUVL
1015
DELISTED
Nuvalent
NUVL
| $9.12M | 0.01% |
+89,000
| New | +$9.07M |
|
|
SFD
1016
Smithfield Foods
SFD
$8.95B
| $9.08M | 0.01% |
324,500
+112,200
| +53% | +$2.7M |
|
1017
Strategic Education
STRA
$1.81B
| $9.04M | 0.01% |
109,018
-44,800
| -29% | -$3.65M |
|
1018
Paysign
PAYS
$723M
| $9.03M | 0.01% |
1,531,072
+227,300
| +17% | +$921K |
|
1019
Andersons Inc
ANDE
$2.23B
| $9.03M | 0.01% |
125,800
-8,100
| -6% | -$520K |
|
1020
Cooper-Standard Automotive
CPS
$490M
| $9.02M | 0.01% |
323,700
-39,705
| -11% | -$1.33M |
|
1021
Gilat Satellite Networks
GILT
$895M
| $9M | 0.01% |
598,946
-68,400
| -10% | -$1.14M |
|
1022
Fortuna Silver Mines
FSM
$3.21B
| $8.99M | 0.01% |
905,400
-612,200
| -40% | -$6.63M |
|
1023
Natural Gas Services Group
NGS
$474M
| $8.98M | 0.01% |
238,042
-18,400
| -7% | -$673K |
|
1024
Toronto Dominion Bank
TD
$204B
| $8.97M | 0.01% |
96,180
-431,900
| -82% | -$41.1M |
|
1025
Tractor Supply
TSCO
$19B
| $8.96M | 0.01% |
197,700
-1,034,800
| -84% | -$52.7M |
|
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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.