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 | |
|---|---|---|---|---|---|---|
1051
Leonardo DRS
DRS
$12.1B
| $8.64M | 0.01% |
193,994
-71,400
| -27% | -$3.01M |
|
1052
BGC Group
BGC
$5.12B
| $8.61M | 0.01% |
880,748
+111,100
| +14% | +$1.03M |
|
1053
Genco Shipping & Trading
GNK
$1.1B
| $8.61M | 0.01% |
381,918
-111,700
| -23% | -$2.39M |
|
1054
Timberland Bancorp
TSBK
$358M
| $8.58M | 0.01% |
217,589
-500
| -0.2% | -$19K |
|
1055
MacroGenics
MGNX
$256M
| $8.56M | 0.01% |
2,963,559
+54,928
| +2% | +$117K |
|
1056
Goldman Sachs
GS
$302B
| $8.53M | 0.01% |
+10,079
| New | +$8.99M |
|
1057
Global E Online
GLBE
$6.81B
| $8.51M | 0.01% |
+275,900
| New | +$9.7M |
|
1058
Bausch Health
BHC
$2.32B
| $8.51M | 0.01% |
1,575,772
+143,581
| +10% | +$859K |
|
1059
1st Source
SRCE
$2.13B
| $8.5M | 0.01% |
122,814
-26,313
| -18% | -$1.77M |
|
1060
Selective Insurance
SIGI
$5.59B
| $8.48M | 0.01% |
112,494
+15,200
| +16% | +$1.24M |
|
1061
Vitamin Cottage Natural Grocers
NGVC
$632M
| $8.46M | 0.01% |
327,099
-55,900
| -15% | -$1.44M |
|
1062
Vanguard Morningstar Mid-Cap ETF
VO
$110B
| $8.44M | 0.01% |
117,600
+97,280
| +479% | +$7.23M |
|
1063
Seanergy Maritime Holdings
SHIP
$348M
| $8.42M | 0.01% |
652,300
+88,800
| +16% | +$1.04M |
|
1064
ProShares Short QQQ
PSQ
$642M
| $8.41M | 0.01% |
+261,200
| New | +$8.02M |
|
1065
Enanta Pharmaceuticals
ENTA
$393M
| $8.4M | 0.01% |
665,258
+23,058
| +4% | +$309K |
|
1066
RCM Technologies
RCMT
$202M
| $8.32M | 0.01% |
434,877
+15,304
| +4% | +$297K |
|
1067
TFI International
TFII
$12B
| $8.31M | 0.01% |
+76,500
| New | +$8.55M |
|
1068
CVB Financial
CVBF
$4.05B
| $8.29M | 0.01% |
427,694
+141,202
| +49% | +$2.78M |
|
|
BLTE
1069
Belite Bio
BLTE
$7.17B
| $8.29M | 0.01% |
+52,000
| New | +$8.74M |
|
1070
TAT Technologies
TATT
$508M
| $8.26M | 0.01% |
203,402
+26,400
| +15% | +$1.37M |
|
1071
Varonis Systems
VRNS
$4.82B
| $8.26M | 0.01% |
384,625
+344,064
| +848% | +$9.33M |
|
1072
Gates Industrial Corporation Ltd.
GTES
$7.05B
| $8.25M | 0.01% |
365,100
+61,400
| +20% | +$1.49M |
|
1073
Vaalco Energy
EGY
$602M
| $8.25M | 0.01% |
1,301,026
-94,364
| -7% | -$476K |
|
|
PSTL
1074
Postal Realty Trust
PSTL
$702M
| $8.24M | 0.01% |
444,155
+21,125
| +5% | +$392K |
|
1075
Forum Energy Technologies
FET
$932M
| $8.24M | 0.01% |
140,475
+26,875
| +24% | +$1.36M |
|
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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.