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 | |
|---|---|---|---|---|---|---|
826
China Yuchai International
CYD
$1.76B
| $13.2M | 0.02% |
343,603
+65,109
| +23% | +$2.9M |
|
827
Equinox Gold
EQX
$13.5B
| $13.2M | 0.02% |
+910,769
| New | +$13.9M |
|
828
UGI
UGI
$7.53B
| $13.1M | 0.02% |
360,783
+146,563
| +68% | +$5.51M |
|
829
Castle Biosciences
CSTL
$960M
| $13.1M | 0.02% |
532,800
+39,700
| +8% | +$1.3M |
|
830
iShares Bitcoin Trust
IBIT
$47.2B
| $13.1M | 0.02% |
+340,000
| New | +$14.7M |
|
831
Atlanta Braves Holdings Series B
BATRK
$3.4B
| $13M | 0.02% |
305,041
+64,799
| +27% | +$2.69M |
|
832
Archer Aviation
ACHR
$4.84B
| $13M | 0.02% |
2,514,300
+2,201,300
| +703% | +$15.7M |
|
|
GRMN
833
Garmin
GRMN
$59.8B
| $13M | 0.02% |
+55,842
| New | +$12.5M |
|
834
California Resources
CRC
$4.75B
| $13M | 0.02% |
187,169
-252,406
| -57% | -$14.3M |
|
835
Western New England Bancorp
WNEB
$282M
| $12.9M | 0.02% |
1,000,762
-47,600
| -5% | -$624K |
|
836
Landstar System
LSTR
$6.31B
| $12.9M | 0.02% |
80,440
+24,100
| +43% | +$3.7M |
|
837
iShares MSCI Brazil ETF
EWZ
$8.57B
| $12.9M | 0.02% |
335,500
-370,100
| -52% | -$13.5M |
|
838
Monarch Casino & Resort
MCRI
$2.22B
| $12.9M | 0.02% |
134,600
-22,700
| -14% | -$2.16M |
|
839
Kura Oncology
KURA
$882M
| $12.9M | 0.02% |
1,582,568
-247,998
| -14% | -$2.13M |
|
|
CALY
840
Callaway Golf Company
CALY
$2.95B
| $12.8M | 0.02% |
925,434
-58,566
| -6% | -$822K |
|
841
UWM Holdings
UWMC
$2.42B
| $12.8M | 0.02% |
3,537,500
-1,389,384
| -28% | -$6.39M |
|
842
Glaukos
GKOS
$11B
| $12.8M | 0.02% |
+118,892
| New | +$13.4M |
|
843
Global Net Lease
GNL
$1.9B
| $12.8M | 0.02% |
1,366,133
+838,500
| +159% | +$7.89M |
|
844
Nature's Sunshine
NATR
$273M
| $12.8M | 0.02% |
531,924
+7,827
| +1% | +$194K |
|
845
Lloyds Banking Group
LYG
$89.8B
| $12.7M | 0.02% |
2,528,180
+2,008,380
| +386% | +$11M |
|
846
ESAB
ESAB
$5.35B
| $12.7M | 0.02% |
131,087
+46,787
| +56% | +$5.42M |
|
847
Schwab US TIPS ETF
SCHP
$16.2B
| $12.6M | 0.02% |
+474,900
| New | +$12.7M |
|
848
PubMatic
PUBM
$783M
| $12.6M | 0.02% |
1,540,533
+321,200
| +26% | +$2.47M |
|
849
Cullen/Frost Bankers
CFR
$10.4B
| $12.6M | 0.02% |
91,900
-38,300
| -29% | -$5.29M |
|
|
GAU
850
Galiano Gold
GAU
$546M
| $12.6M | 0.02% |
5,006,653
+573,000
| +13% | +$1.62M |
|
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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.