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 | |
|---|---|---|---|---|---|---|
1126
KeyCorp
KEY
$24.5B
| $7.55M | 0.01% |
376,651
-3,904,500
| -91% | -$81.8M |
|
1127
Gentherm
THRM
$1.27B
| $7.54M | 0.01% |
271,464
+53,400
| +24% | +$1.74M |
|
1128
Addus HomeCare
ADUS
$2.2B
| $7.54M | 0.01% |
80,489
+31,689
| +65% | +$3.36M |
|
1129
NexGen Energy
NXE
$7.07B
| $7.52M | 0.01% |
648,000
+38,800
| +6% | +$463K |
|
1130
Ternium
TX
$10.8B
| $7.5M | 0.01% |
186,700
-3,100
| -2% | -$128K |
|
|
HUYA
1131
Huya Inc
HUYA
$547M
| $7.48M | 0.01% |
2,265,400
+561,300
| +33% | +$2.07M |
|
1132
Liberty Latin America Class A
LILA
$1.69B
| $7.47M | 0.01% |
1,272,631
+272,762
| +27% | +$1.44M |
|
1133
TriCo Bancshares
TCBK
$1.84B
| $7.46M | 0.01% |
156,943
-24,600
| -14% | -$1.2M |
|
1134
Diana Shipping
DSX
$296M
| $7.46M | 0.01% |
2,984,213
+622,500
| +26% | +$1.43M |
|
|
SF
1135
Stifel
SF
$12.8B
| $7.45M | 0.01% |
+100,823
| New | +$8.01M |
|
1136
LXP Industrial Trust
LXP
$3.58B
| $7.45M | 0.01% |
160,976
-101,600
| -39% | -$4.97M |
|
|
MFA
1137
MFA Financial
MFA
$925M
| $7.44M | 0.01% |
777,025
+551,927
| +245% | +$5.44M |
|
1138
iShares Silver Trust
SLV
$31.8B
| $7.44M | 0.01% |
+109,138
| New | +$8.29M |
|
1139
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $7.42M | 0.01% |
93,300
+80,400
| +623% | +$6.47M |
|
1140
Vanguard Morningstar Small-Cap ETF
VB
$83B
| $7.42M | 0.01% |
+28,320
| New | +$7.66M |
|
1141
Southwest Airlines
LUV
$22B
| $7.42M | 0.01% |
+197,380
| New | +$8.91M |
|
1142
BioCryst Pharmaceuticals
BCRX
$2.71B
| $7.4M | 0.01% |
776,990
-1,351,831
| -64% | -$10.5M |
|
|
PAMT
1143
PAMT Corp
PAMT
$279M
| $7.37M | 0.01% |
872,741
-36,461
| -4% | -$389K |
|
1144
Allegiant Air
ALGT
$2.31B
| $7.37M | 0.01% |
91,000
+26,400
| +41% | +$2.43M |
|
1145
City Holding Co
CHCO
$2.07B
| $7.37M | 0.01% |
61,686
+21,898
| +55% | +$2.67M |
|
1146
Groupon
GRPN
$901M
| $7.37M | 0.01% |
619,413
+509,600
| +464% | +$6.8M |
|
1147
Recursion Pharmaceuticals
RXRX
$1.76B
| $7.37M | 0.01% |
+2,400,605
| New | +$9.28M |
|
|
BULL
1148
Webull Corp
BULL
$4.08B
| $7.37M | 0.01% |
1,535,199
+1,170,799
| +321% | +$7.58M |
|
1149
STRATTEC Security
STRT
$341M
| $7.35M | 0.01% |
93,806
-700
| -0.7% | -$57.4K |
|
|
CNTA
1150
DELISTED
Centessa Pharmaceuticals
CNTA
| $7.35M | 0.01% |
185,000
-94,300
| -34% | -$2.41M |
|
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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.