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 | |
|---|---|---|---|---|---|---|
1676
iShares Core S&P US Value ETF
IUSV
$28B
| $2.92M | ﹤0.01% |
28,600
-19,100
| -40% | -$2M |
|
1677
GXO Logistics
GXO
$5.59B
| $2.92M | ﹤0.01% |
+56,300
| New | +$3.23M |
|
1678
Replimune Group
REPL
$1.4B
| $2.92M | ﹤0.01% |
381,453
-23,600
| -6% | -$180K |
|
1679
Sotera Health
SHC
$5.39B
| $2.91M | ﹤0.01% |
203,078
-223,700
| -52% | -$3.71M |
|
1680
Procept Biorobotics
PRCT
$1.24B
| $2.91M | ﹤0.01% |
116,166
-1,300
| -1% | -$36.6K |
|
1681
Electromed
ELMD
$341M
| $2.9M | ﹤0.01% |
124,004
-49,000
| -28% | -$1.28M |
|
|
LX
1682
LexinFintech Holdings
LX
$224M
| $2.9M | ﹤0.01% |
1,328,262
+83,362
| +7% | +$234K |
|
1683
Investar Holding Corp
ISTR
$426M
| $2.87M | ﹤0.01% |
105,250
+56,075
| +114% | +$1.57M |
|
1684
Clorox
CLX
$12.8B
| $2.86M | ﹤0.01% |
27,600
-196,700
| -88% | -$22.3M |
|
1685
Energy Services of America
ESOA
$239M
| $2.86M | ﹤0.01% |
217,500
+149,800
| +221% | +$1.76M |
|
1686
VTEX
VTEX
$618M
| $2.86M | ﹤0.01% |
713,900
-240,900
| -25% | -$841K |
|
1687
Varex Imaging
VREX
$779M
| $2.86M | ﹤0.01% |
269,100
+6,100
| +2% | +$77.9K |
|
|
GRAL
1688
GRAIL Inc
GRAL
$3.03B
| $2.85M | ﹤0.01% |
55,200
-30,100
| -35% | -$2.33M |
|
1689
Ampco-Pittsburgh
AP
$194M
| $2.84M | ﹤0.01% |
423,219
-38,083
| -8% | -$274K |
|
1690
International General Insurance
IGIC
$1.16B
| $2.84M | ﹤0.01% |
117,257
-26,443
| -18% | -$647K |
|
1691
Direxion Daily Regional Banks Bull 3X ETF
DPST
$417M
| $2.83M | ﹤0.01% |
+29,300
| New | +$3.26M |
|
1692
Taylor Devices
TAYD
$178M
| $2.83M | ﹤0.01% |
49,662
+5,500
| +12% | +$423K |
|
|
OPLN
1693
Openlane
OPLN
$4.36B
| $2.83M | ﹤0.01% |
97,000
-174,600
| -64% | -$5.04M |
|
1694
Bowman Consulting
BWMN
$733M
| $2.83M | ﹤0.01% |
99,379
+43,379
| +77% | +$1.41M |
|
1695
Dorian LPG
LPG
$2.03B
| $2.82M | ﹤0.01% |
82,600
+10,600
| +15% | +$336K |
|
1696
iShares MSCI China ETF
MCHI
$6.16B
| $2.82M | ﹤0.01% |
50,200
-157,300
| -76% | -$9.45M |
|
1697
IMAX
IMAX
$2.9B
| $2.82M | ﹤0.01% |
74,100
-216,300
| -74% | -$8.04M |
|
1698
Mesa Laboratories
MLAB
$593M
| $2.79M | ﹤0.01% |
31,600
+28,100
| +803% | +$2.42M |
|
1699
Spero Therapeutics
SPRO
$71.2M
| $2.78M | ﹤0.01% |
1,189,235
-90,287
| -7% | -$214K |
|
1700
Comstock Resources
CRK
$4.13B
| $2.78M | ﹤0.01% |
+131,900
| New | +$2.81M |
|
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.