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 | |
|---|---|---|---|---|---|---|
251
Ameriprise Financial
AMP
$49.7B
| $64.4M | 0.1% |
145,000
+68,000
| +88% | +$32.8M |
|
252
Intuitive Surgical
ISRG
$142B
| $64.3M | 0.1% |
139,402
-13,428
| -9% | -$6.79M |
|
|
TPC
253
Tutor Perini Cor
TPC
$5.13B
| $64.1M | 0.1% |
829,980
-4,100
| -0.5% | -$314K |
|
|
MRSH
254
Marsh
MRSH
$91.3B
| $63.4M | 0.1% |
365,500
-32,100
| -8% | -$5.77M |
|
255
CDW
CDW
$16.9B
| $63.3M | 0.1% |
522,998
+294,500
| +129% | +$37.2M |
|
256
Entergy
ETR
$49.7B
| $63.1M | 0.1% |
561,700
-201,200
| -26% | -$20.2M |
|
257
First Majestic Silver
AG
$9.35B
| $62.8M | 0.1% |
+2,921,792
| New | +$67.3M |
|
258
Plug Power
PLUG
$3.1B
| $62.7M | 0.1% |
27,738,500
+13,685,900
| +97% | +$29.7M |
|
|
LTM
259
LATAM Airlines Group S.A.
LTM
$15.2B
| $62.7M | 0.1% |
1,267,200
+822,400
| +185% | +$46.5M |
|
260
Fortive
FTV
$18.6B
| $62.4M | 0.1% |
1,128,600
+177,300
| +19% | +$9.94M |
|
261
Trimble
TRMB
$13.5B
| $61.8M | 0.1% |
946,744
+785,700
| +488% | +$54.6M |
|
262
Take-Two Interactive
TTWO
$46.8B
| $61.7M | 0.1% |
312,550
+254,311
| +437% | +$55.3M |
|
263
Graco
GGG
$13.5B
| $61.1M | 0.1% |
721,700
+337,300
| +88% | +$29.9M |
|
264
GameStop
GME
$8.44B
| $61.1M | 0.1% |
2,650,303
+2,093,755
| +376% | +$48.6M |
|
265
Tencent Music
TME
$14.3B
| $61M | 0.1% |
6,570,344
-1,879,808
| -22% | -$27.8M |
|
266
FNB Corp
FNB
$6.8B
| $60.9M | 0.1% |
3,639,761
+761,134
| +26% | +$13.2M |
|
267
Eldorado Gold
EGO
$10.2B
| $60.8M | 0.1% |
1,771,133
-359,000
| -17% | -$14.6M |
|
268
Zebra Technologies
ZBRA
$18.1B
| $60.3M | 0.09% |
288,311
+232,360
| +415% | +$54.6M |
|
269
Duolingo
DUOL
$6.34B
| $59.5M | 0.09% |
603,806
+288,252
| +91% | +$35.5M |
|
270
Bristol-Myers Squibb
BMY
$130B
| $59.3M | 0.09% |
977,051
-1,376,638
| -58% | -$80.3M |
|
271
NuScale Power
SMR
$4.06B
| $59.1M | 0.09% |
+5,455,800
| New | +$83M |
|
272
Liberty Global Class A
LBTYA
$3.48B
| $59.1M | 0.09% |
4,889,854
-257,456
| -5% | -$3M |
|
273
T-Mobile US
TMUS
$192B
| $59M | 0.09% |
280,807
-803,000
| -74% | -$165M |
|
274
Buckle
BKE
$2.37B
| $58.8M | 0.09% |
1,167,752
+72,550
| +7% | +$3.76M |
|
275
Maplebear
CART
$11.4B
| $58.7M | 0.09% |
1,567,054
+142,600
| +10% | +$5.41M |
|
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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.