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 | |
|---|---|---|---|---|---|---|
951
General Dynamics
GD
$107B
| $10.4M | 0.02% |
+30,180
| New | +$10.7M |
|
952
Artisan Partners
APAM
$2.97B
| $10.3M | 0.02% |
284,348
-54,800
| -16% | -$2.24M |
|
953
Flywire
FLYW
$2.12B
| $10.3M | 0.02% |
887,200
+466,300
| +111% | +$5.87M |
|
954
EnerSys
ENS
$6.81B
| $10.3M | 0.02% |
+59,400
| New | +$10.1M |
|
955
Navigator Holdings
NVGS
$1.26B
| $10.3M | 0.02% |
532,988
-77,100
| -13% | -$1.46M |
|
956
G. Willi-Food International
WILC
$385M
| $10.3M | 0.02% |
408,652
-10,100
| -2% | -$282K |
|
957
CME Group
CME
$94.3B
| $10.3M | 0.02% |
34,800
-37,069
| -52% | -$11M |
|
|
DRD
958
DRDGold
DRD
$2.1B
| $10.3M | 0.02% |
349,645
+128,832
| +58% | +$4.28M |
|
959
Ambarella
AMBA
$3.66B
| $10.3M | 0.02% |
+199,400
| New | +$12.4M |
|
960
Teck Resources
TECK
$32.4B
| $10.2M | 0.02% |
+197,876
| New | +$10.6M |
|
961
Artesian Resources
ARTNA
$362M
| $10.2M | 0.02% |
320,456
+42,000
| +15% | +$1.38M |
|
|
WAY
962
Waystar Holding Corp
WAY
$4.71B
| $10.2M | 0.02% |
423,200
-649,100
| -61% | -$17.2M |
|
963
Safety Insurance
SAFT
$1.52B
| $10.2M | 0.02% |
140,400
+400
| +0.3% | +$30.4K |
|
964
iShares China Large-Cap ETF
FXI
$4.2B
| $10.2M | 0.02% |
283,200
-942,500
| -77% | -$35.8M |
|
965
Limbach Holdings
LMB
$536M
| $10.2M | 0.02% |
130,171
+2,900
| +2% | +$244K |
|
966
Q2 Holdings
QTWO
$3.9B
| $10.1M | 0.02% |
213,900
+123,300
| +136% | +$6.95M |
|
967
BK Technologies
BKTI
$292M
| $10.1M | 0.02% |
135,253
-3,712
| -3% | -$302K |
|
968
iShares National Muni Bond ETF
MUB
$45.9B
| $10.1M | 0.02% |
94,700
-34,150
| -27% | -$3.67M |
|
969
dLocal
DLO
$4.2B
| $10M | 0.02% |
774,342
-400,558
| -34% | -$5.22M |
|
970
Biglari Holdings Class A
BH.A
$1.23B
| $10M | 0.02% |
5,760
+1,530
| +36% | +$2.99M |
|
971
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.7B
| $10M | 0.02% |
+92,000
| New | +$10.1M |
|
972
Turkcell
TKC
$4.74B
| $9.95M | 0.02% |
1,649,707
+369,107
| +29% | +$2.34M |
|
973
Graham Holdings Company
GHC
$5.03B
| $9.94M | 0.02% |
9,400
+7,957
| +551% | +$8.77M |
|
974
Methanex
MEOH
$4.17B
| $9.94M | 0.02% |
166,878
+46,200
| +38% | +$2.32M |
|
975
JetBlue
JBLU
$2.18B
| $9.93M | 0.02% |
2,246,200
+1,577,500
| +236% | +$8M |
|
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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.