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 | |
|---|---|---|---|---|---|---|
1726
Wells Fargo
WFC
$269B
| $2.66M | ﹤0.01% |
+33,402
| New | +$2.87M |
|
1727
iShares MBS ETF
MBB
$39.1B
| $2.66M | ﹤0.01% |
28,000
+19,614
| +234% | +$1.87M |
|
1728
Protalix BioTherapeutics
PLX
$179M
| $2.66M | ﹤0.01% |
1,224,800
-38,500
| -3% | -$95.5K |
|
1729
Schwab US Aggregate Bond ETF
SCHZ
$10.5B
| $2.64M | ﹤0.01% |
+113,600
| New | +$2.66M |
|
|
AII
1730
American Integrity Insurance
AII
$470M
| $2.64M | ﹤0.01% |
136,800
-48,600
| -26% | -$926K |
|
1731
CF Bankshares
CFBK
$234M
| $2.64M | ﹤0.01% |
94,479
+8,400
| +10% | +$245K |
|
1732
Coty
COTY
$2.51B
| $2.64M | ﹤0.01% |
1,311,687
+839,257
| +178% | +$2.26M |
|
1733
Capital Group Dividend Value ETF
CGDV
$38.8B
| $2.63M | ﹤0.01% |
61,900
-31,600
| -34% | -$1.4M |
|
1734
Vanguard Total Bond Market
BND
$161B
| $2.63M | ﹤0.01% |
+35,700
| New | +$2.65M |
|
1735
Xeris Biopharma Holdings
XERS
$1.57B
| $2.63M | ﹤0.01% |
452,860
-166,800
| -27% | -$1.11M |
|
1736
Forestar Group
FOR
$1.5B
| $2.62M | ﹤0.01% |
107,180
+10,800
| +11% | +$289K |
|
1737
Washington Trust Bancorp
WASH
$767M
| $2.61M | ﹤0.01% |
77,959
+40,591
| +109% | +$1.34M |
|
|
ILPT
1738
Industrial Logistics Properties Trust
ILPT
$595M
| $2.61M | ﹤0.01% |
458,989
+171,689
| +60% | +$999K |
|
1739
Evertec
EVTC
$1.89B
| $2.6M | ﹤0.01% |
92,238
-38,700
| -30% | -$1.1M |
|
1740
Curtiss-Wright
CW
$25.8B
| $2.59M | ﹤0.01% |
3,800
-8,780
| -70% | -$5.84M |
|
1741
Cohu
COHU
$2.81B
| $2.59M | ﹤0.01% |
84,500
-68,154
| -45% | -$2M |
|
1742
Prime Medicine
PRME
$560M
| $2.58M | ﹤0.01% |
741,039
-408,120
| -36% | -$1.55M |
|
1743
Tenaya Therapeutics
TNYA
$163M
| $2.57M | ﹤0.01% |
3,713,761
+1,862,894
| +101% | +$1.37M |
|
|
EFOR
1744
Everforth Inc
EFOR
$1.3B
| $2.57M | ﹤0.01% |
66,294
-244,200
| -79% | -$10.9M |
|
1745
Astrana Health
ASTH
$2.02B
| $2.56M | ﹤0.01% |
104,546
+11,400
| +12% | +$270K |
|
1746
Clean Energy Fuels
CLNE
$403M
| $2.56M | ﹤0.01% |
1,033,295
+97,900
| +10% | +$228K |
|
1747
Regenxbio
RGNX
$711M
| $2.56M | ﹤0.01% |
305,286
-27,800
| -8% | -$292K |
|
1748
MakeMyTrip
MMYT
$5.68B
| $2.56M | ﹤0.01% |
+68,567
| New | +$3.97M |
|
1749
Arm
ARM
$298B
| $2.56M | ﹤0.01% |
16,900
-456,700
| -96% | -$55.4M |
|
|
BZAI
1750
Blaize Holdings
BZAI
$84.4M
| $2.56M | ﹤0.01% |
1,404,159
+1,270,096
| +947% | +$1.87M |
|
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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.