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 | |
|---|---|---|---|---|---|---|
476
SEI Investments
SEIC
$12.7B
| $31.4M | 0.05% |
399,826
+2,600
| +0.7% | +$214K |
|
477
Extreme Networks
EXTR
$3.2B
| $31.3M | 0.05% |
2,076,080
+510,215
| +33% | +$7.61M |
|
478
Guardant Health
GH
$21.9B
| $31.2M | 0.05% |
337,600
-264,700
| -44% | -$26.6M |
|
479
Expeditors International
EXPD
$23.9B
| $31.2M | 0.05% |
217,716
+79,800
| +58% | +$12.1M |
|
480
EQT Corp
EQT
$33.7B
| $31.2M | 0.05% |
+489,722
| New | +$28.7M |
|
481
Rocket Companies
RKT
$39.7B
| $31.1M | 0.05% |
+2,185,483
| New | +$39.8M |
|
482
National Bank Holdings
NBHC
$1.93B
| $31.1M | 0.05% |
794,100
-18,900
| -2% | -$758K |
|
483
HEICO Corp Class A
HEI.A
$37.9B
| $31M | 0.05% |
147,047
+132,520
| +912% | +$32.6M |
|
484
Interactive Brokers
IBKR
$41.7B
| $31M | 0.05% |
461,700
-154,695
| -25% | -$11M |
|
485
Atmos Energy
ATO
$28.6B
| $30.8M | 0.05% |
166,800
+114,800
| +221% | +$20.3M |
|
486
Smith & Wesson
SWBI
$637M
| $30.8M | 0.05% |
2,150,074
-46,800
| -2% | -$569K |
|
487
Envista
NVST
$4.62B
| $30.7M | 0.05% |
1,208,165
+799,900
| +196% | +$20.7M |
|
488
Compass
COMP
$9.65B
| $30.6M | 0.05% |
4,184,242
-659,558
| -14% | -$6.93M |
|
489
Affiliated Managers Group
AMG
$9.59B
| $30.4M | 0.05% |
109,750
+90,650
| +475% | +$27.3M |
|
490
America Movil
AMX
$69.8B
| $30.4M | 0.05% |
1,191,628
-236,900
| -17% | -$5.4M |
|
491
Badger Meter
BMI
$3.91B
| $30.3M | 0.05% |
199,200
+60,800
| +44% | +$9.54M |
|
|
SUNC
492
SunocoCorp LLC
SUNC
$3.87B
| $30.3M | 0.05% |
+491,500
| New | +$27.9M |
|
|
SVM
493
Silvercorp Metals
SVM
$2.71B
| $30.2M | 0.05% |
2,812,396
+348,000
| +14% | +$3.83M |
|
494
Harmony Biosciences
HRMY
$2.3B
| $30.2M | 0.05% |
1,077,371
+6,900
| +0.6% | +$226K |
|
495
Willis Towers Watson
WTW
$31.5B
| $30.1M | 0.05% |
+103,400
| New | +$31.7M |
|
|
BCPC
496
Balchem Corp
BCPC
$5.76B
| $30M | 0.05% |
177,000
+24,900
| +16% | +$4.23M |
|
497
Zoetis
ZTS
$30.4B
| $29.8M | 0.05% |
252,000
-172,600
| -41% | -$21.3M |
|
498
OR Royalties Inc
OR
$6.32B
| $29.8M | 0.05% |
783,302
+362,700
| +86% | +$14.9M |
|
499
Capitol Federal Financial
CFFN
$1.1B
| $29.7M | 0.05% |
4,168,897
-28,000
| -0.7% | -$199K |
|
500
Protolabs
PRLB
$2.19B
| $29.7M | 0.05% |
520,251
+26,700
| +5% | +$1.55M |
|
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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.