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 | |
|---|---|---|---|---|---|---|
551
Harmony Gold Mining
HMY
$12.4B
| $26.4M | 0.04% |
1,718,320
+542,200
| +46% | +$10.7M |
|
552
Healthcare Realty
HR
$6.58B
| $26.3M | 0.04% |
1,549,172
+774,500
| +100% | +$13.6M |
|
553
Yum China
YUMC
$16.4B
| $26.2M | 0.04% |
537,700
-102,600
| -16% | -$5.31M |
|
554
Laureate Education
LAUR
$5.1B
| $26.2M | 0.04% |
751,400
+155,200
| +26% | +$5.31M |
|
555
Amer Sports
AS
$19.2B
| $26.1M | 0.04% |
792,845
-216,255
| -21% | -$7.9M |
|
556
Vanda Pharmaceuticals
VNDA
$314M
| $26M | 0.04% |
3,759,559
+378,598
| +11% | +$2.92M |
|
557
DTE Energy
DTE
$28.9B
| $25.8M | 0.04% |
176,300
-98,500
| -36% | -$13.8M |
|
558
SLM Corp
SLM
$5.26B
| $25.7M | 0.04% |
1,200,900
+794,200
| +195% | +$18.8M |
|
559
Encompass Health
EHC
$12.3B
| $25.6M | 0.04% |
265,000
+196,800
| +289% | +$20.2M |
|
560
Unitil
UTL
$984M
| $25.6M | 0.04% |
490,041
+93,101
| +23% | +$4.77M |
|
561
Paylocity
PCTY
$7.73B
| $25.4M | 0.04% |
235,000
+219,400
| +1,406% | +$26.9M |
|
562
Melco Resorts & Entertainment
MLCO
$2.14B
| $25.3M | 0.04% |
4,461,600
+325,900
| +8% | +$1.97M |
|
563
AMN Healthcare
AMN
$1.26B
| $25.2M | 0.04% |
1,376,341
+463,100
| +51% | +$8.8M |
|
564
Accenture
ACN
$110B
| $24.9M | 0.04% |
+125,400
| New | +$29.2M |
|
565
C.H. Robinson
CHRW
$17.1B
| $24.8M | 0.04% |
149,508
-91,300
| -38% | -$16.3M |
|
566
Aurinia Pharmaceuticals
AUPH
$2.06B
| $24.7M | 0.04% |
1,663,835
+73,700
| +5% | +$1.08M |
|
567
AvePoint
AVPT
$2.75B
| $24.5M | 0.04% |
2,580,153
+363,200
| +16% | +$4.09M |
|
568
SandRidge Energy
SD
$529M
| $24.5M | 0.04% |
1,503,564
-10,248
| -0.7% | -$166K |
|
569
Liberty Global Class C
LBTYK
$3.46B
| $24.5M | 0.04% |
2,087,600
-41,600
| -2% | -$477K |
|
570
Cipher Digital
CIFR
$7.42B
| $24.5M | 0.04% |
+1,902,567
| New | +$30.1M |
|
571
Baytex Energy
BTE
$3.05B
| $24.5M | 0.04% |
5,471,800
+176,900
| +3% | +$653K |
|
572
OneSpaWorld
OSW
$2.7B
| $24.4M | 0.04% |
1,062,472
-117,868
| -10% | -$2.51M |
|
573
SolarEdge
SEDG
$1.97B
| $24.3M | 0.04% |
476,640
-246,000
| -34% | -$9.25M |
|
574
Inspire Medical Systems
INSP
$1.68B
| $24.2M | 0.04% |
469,968
+59,200
| +14% | +$4.14M |
|
575
Arrow Electronics
ARW
$10.7B
| $24.2M | 0.04% |
168,957
+5,857
| +4% | +$803K |
|
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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.