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 | |
|---|---|---|---|---|---|---|
876
EOG Resources
EOG
$75.1B
| $12.1M | 0.02% |
83,599
-267,900
| -76% | -$32.5M |
|
877
Vanguard High Dividend Yield ETF
VYM
$84B
| $12.1M | 0.02% |
81,500
+48,900
| +150% | +$7.35M |
|
878
Maravai LifeSciences
MRVI
$861M
| $12.1M | 0.02% |
4,264,689
+39,600
| +0.9% | +$134K |
|
879
Weis Markets
WMK
$1.78B
| $12.1M | 0.02% |
176,436
-16,600
| -9% | -$1.14M |
|
880
Great Southern Bancorp
GSBC
$877M
| $12M | 0.02% |
190,300
-6,300
| -3% | -$394K |
|
|
SOHU
881
Sohu.com
SOHU
$369M
| $12M | 0.02% |
776,347
-34,998
| -4% | -$571K |
|
882
Algonquin Power & Utilities
AQN
$4.44B
| $12M | 0.02% |
1,947,792
+712,800
| +58% | +$4.62M |
|
883
MiMedx Group
MDXG
$624M
| $11.9M | 0.02% |
3,019,871
+552,806
| +22% | +$2.78M |
|
884
Lincoln Educational Services
LINC
$945M
| $11.9M | 0.02% |
293,178
-60,700
| -17% | -$1.91M |
|
885
Columbia Financial
CLBK
$1.21B
| $11.8M | 0.02% |
676,066
+72,334
| +12% | +$1.24M |
|
886
Hayward Holdings
HAYW
$3.25B
| $11.8M | 0.02% |
884,747
+274,300
| +45% | +$4.27M |
|
887
Ultragenyx Pharmaceutical
RARE
$2.65B
| $11.8M | 0.02% |
561,700
+195,600
| +53% | +$4.4M |
|
888
Payoneer
PAYO
$2.41B
| $11.7M | 0.02% |
2,432,300
-576,307
| -19% | -$3.04M |
|
889
TORM
TRMD
$2.97B
| $11.7M | 0.02% |
420,225
-116,200
| -22% | -$2.96M |
|
890
Ardagh Metal Packaging
AMBP
$3.02B
| $11.7M | 0.02% |
2,894,210
+699,478
| +32% | +$3.1M |
|
891
Hackett Group
HCKT
$278M
| $11.7M | 0.02% |
900,128
-114,511
| -11% | -$1.83M |
|
892
CarGurus
CARG
$3.29B
| $11.7M | 0.02% |
343,727
+26,300
| +8% | +$861K |
|
893
Sharplink Inc
SBET
$1.34B
| $11.7M | 0.02% |
+1,812,506
| New | +$14.7M |
|
894
Kemper
KMPR
$1.56B
| $11.7M | 0.02% |
381,410
+98,200
| +35% | +$3.36M |
|
895
Warby Parker
WRBY
$3.13B
| $11.6M | 0.02% |
552,836
-1,031,989
| -65% | -$25.6M |
|
896
Energy Fuels
UUUU
$3.62B
| $11.6M | 0.02% |
+637,804
| New | +$13.2M |
|
897
Syndax Pharmaceuticals
SNDX
$1.77B
| $11.6M | 0.02% |
498,200
-46,600
| -9% | -$1.01M |
|
898
LivaNova
LIVN
$4.45B
| $11.6M | 0.02% |
183,000
+24,900
| +16% | +$1.61M |
|
899
Full Truck Alliance
YMM
$9.62B
| $11.6M | 0.02% |
+1,396,629
| New | +$13.3M |
|
900
Deckers Outdoor
DECK
$12.4B
| $11.6M | 0.02% |
+115,800
| New | +$12.4M |
|
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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.