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 | |
|---|---|---|---|---|---|---|
1551
NOV
NOV
$7.54B
| $3.61M | 0.01% |
191,810
-44,300
| -19% | -$832K |
|
|
DDL
1552
Dingdong
DDL
$523M
| $3.61M | 0.01% |
1,403,400
+199,600
| +17% | +$555K |
|
1553
Commercial Metals
CMC
$7.92B
| $3.6M | 0.01% |
+58,600
| New | +$4.23M |
|
1554
Insteel Industries
IIIN
$631M
| $3.59M | 0.01% |
106,940
+29,200
| +38% | +$1M |
|
|
MRX
1555
Marex Group Limited Ordinary Shares
MRX
$5.11B
| $3.59M | 0.01% |
80,520
-140,267
| -64% | -$5.54M |
|
1556
Primis Financial Corp
FRST
$413M
| $3.59M | 0.01% |
270,170
-13,300
| -5% | -$179K |
|
1557
Ecopetrol
EC
$35.3B
| $3.58M | 0.01% |
+239,000
| New | +$3.03M |
|
1558
GigaCloud Technology
GCT
$1.85B
| $3.58M | 0.01% |
+78,809
| New | +$3.2M |
|
1559
Orrstown Financial Services
ORRF
$852M
| $3.57M | 0.01% |
98,964
-123,182
| -55% | -$4.46M |
|
1560
Fate Therapeutics
FATE
$300M
| $3.57M | 0.01% |
2,974,683
+613,802
| +26% | +$747K |
|
1561
Savara
SVRA
$1.11B
| $3.56M | 0.01% |
652,672
+320,572
| +97% | +$1.78M |
|
1562
Compañía de Cervecerías Unidas
CCU
$2.18B
| $3.56M | 0.01% |
313,252
-16,113
| -5% | -$215K |
|
1563
Iridium Communications
IRDM
$5.32B
| $3.55M | 0.01% |
+128,100
| New | +$2.88M |
|
1564
NCR Atleos
NATL
$3.47B
| $3.55M | 0.01% |
+81,500
| New | +$3.37M |
|
1565
Forward Air
FWRD
$640M
| $3.53M | 0.01% |
+211,539
| New | +$5.15M |
|
1566
ZipRecruiter
ZIP
$386M
| $3.53M | 0.01% |
1,920,900
+62,900
| +3% | +$154K |
|
1567
Microsoft
MSFT
$3.68T
| $3.52M | 0.01% |
9,485
-678,633
| -99% | -$284M |
|
1568
Byrna Technologies
BYRN
$95.5M
| $3.51M | 0.01% |
382,327
+318,227
| +496% | +$4.17M |
|
1569
Alight
ALIT
$372M
| $3.51M | 0.01% |
300,947
+300,292
| +45,846% | +$7.16M |
|
1570
Teledyne Technologies
TDY
$31.5B
| $3.5M | 0.01% |
+5,787
| New | +$3.61M |
|
1571
Black Diamond Therapeutics
BDTX
$116M
| $3.5M | 0.01% |
1,643,747
+694,012
| +73% | +$1.65M |
|
|
BRSL
1572
Brightstar Lottery PLC
BRSL
$2.17B
| $3.5M | 0.01% |
274,700
-180,200
| -40% | -$2.48M |
|
1573
Compugen
CGEN
$228M
| $3.48M | 0.01% |
1,632,988
+176,088
| +12% | +$342K |
|
1574
iShares ESG Aware MSCI EM ETF
ESGE
$6.84B
| $3.47M | 0.01% |
76,300
+67,400
| +757% | +$3.19M |
|
|
ARI
1575
Apollo Commercial Real Estate
ARI
$876M
| $3.46M | 0.01% |
+327,540
| New | +$3.41M |
|
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.