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 | |
|---|---|---|---|---|---|---|
1351
Ranger Energy Services
RNGR
$405M
| $5.26M | 0.01% |
306,790
+41,800
| +16% | +$677K |
|
|
NPKI
1352
NPK International
NPKI
$1.18B
| $5.25M | 0.01% |
362,167
-157,141
| -30% | -$2.18M |
|
1353
Nice
NICE
$5.77B
| $5.24M | 0.01% |
+47,544
| New | +$5.43M |
|
1354
Kulicke & Soffa
KLIC
$5.01B
| $5.24M | 0.01% |
79,728
-1,600
| -2% | -$102K |
|
1355
CuriosityStream
CURI
$229M
| $5.24M | 0.01% |
1,768,800
+408,900
| +30% | +$1.38M |
|
1356
Acme United Corp
ACU
$229M
| $5.23M | 0.01% |
116,558
+451
| +0.4% | +$19.6K |
|
1357
InfuSystem Holdings
INFU
$248M
| $5.23M | 0.01% |
566,809
-20,700
| -4% | -$181K |
|
1358
MGE Energy Inc
MGEE
$3.08B
| $5.22M | 0.01% |
67,600
+21,300
| +46% | +$1.68M |
|
1359
Allogene Therapeutics
ALLO
$711M
| $5.22M | 0.01% |
2,139,328
-47,756
| -2% | -$95.7K |
|
1360
Bankwell Financial Group
BWFG
$542M
| $5.22M | 0.01% |
107,548
-8,607
| -7% | -$411K |
|
|
SAIL
1361
SailPoint Inc
SAIL
$11B
| $5.21M | 0.01% |
+393,800
| New | +$6.15M |
|
1362
Riley Exploration Permian
REPX
$783M
| $5.18M | 0.01% |
142,100
+81,500
| +134% | +$2.43M |
|
1363
Douglas Elliman
DOUG
$185M
| $5.17M | 0.01% |
3,151,124
-341,280
| -10% | -$791K |
|
|
LAND
1364
Gladstone Land Corp
LAND
$358M
| $5.17M | 0.01% |
+506,382
| New | +$5.45M |
|
1365
MoonLake Immunotherapeutics
MLTX
$1.42B
| $5.16M | 0.01% |
276,772
+142,300
| +106% | +$2.36M |
|
1366
Tarsus Pharmaceuticals
TARS
$3.05B
| $5.15M | 0.01% |
73,400
+9,300
| +15% | +$650K |
|
1367
Vanguard Total International Stock ETF
VXUS
$164B
| $5.14M | 0.01% |
+66,667
| New | +$5.29M |
|
1368
Cadre Holdings
CDRE
$1.44B
| $5.13M | 0.01% |
167,200
+9,400
| +6% | +$376K |
|
1369
Union Pacific
UNP
$176B
| $5.12M | 0.01% |
21,100
-274,100
| -93% | -$67.1M |
|
|
OPTU
1370
Optimum Communications Inc
OPTU
$229M
| $5.11M | 0.01% |
3,931,600
-28,400
| -0.7% | -$44.6K |
|
1371
RF Industries
RFIL
$149M
| $5.1M | 0.01% |
494,664
-11,944
| -2% | -$121K |
|
1372
Lifestance Health
LFST
$4.64B
| $5.1M | 0.01% |
800,500
+384,600
| +92% | +$2.68M |
|
|
HIMX
1373
Himax Technologies
HIMX
$2.63B
| $5.1M | 0.01% |
647,461
+453,200
| +233% | +$3.72M |
|
1374
Tradr TSLA Bear Daily ETF
TSLQ
$105M
| $5.08M | 0.01% |
206,400
-283,100
| -58% | -$5.94M |
|
1375
Avnet
AVT
$7.96B
| $5.07M | 0.01% |
82,200
+66,400
| +420% | +$3.95M |
|
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.