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 | |
|---|---|---|---|---|---|---|
301
Mirum Pharmaceuticals
MIRM
$6.01B
| $53.8M | 0.08% |
582,085
+143,000
| +33% | +$13.5M |
|
302
Magnolia Oil & Gas
MGY
$6.19B
| $53.7M | 0.08% |
1,701,802
+517,500
| +44% | +$13.8M |
|
303
National Healthcare
NHC
$3.4B
| $53.6M | 0.08% |
335,517
-14,600
| -4% | -$2.24M |
|
304
DNOW Inc
DNOW
$3.04B
| $53.1M | 0.08% |
4,458,025
-936,300
| -17% | -$12.7M |
|
305
Everest Group
EG
$14B
| $53M | 0.08% |
162,100
+115,120
| +245% | +$37.9M |
|
306
Sabesp
SBS
$17.8B
| $52.8M | 0.08% |
8,653,490
-292,979
| -3% | -$1.61M |
|
307
VanEck Gold Miners ETF
GDX
$27.9B
| $52.8M | 0.08% |
574,948
+530,948
| +1,207% | +$52.3M |
|
308
West Pharmaceutical
WST
$24.6B
| $52.5M | 0.08% |
209,660
+104,924
| +100% | +$26.1M |
|
309
American Public Education
APEI
$837M
| $52.3M | 0.08% |
920,220
-42,700
| -4% | -$1.96M |
|
310
FTAI Aviation
FTAI
$23.8B
| $52.2M | 0.08% |
+212,900
| New | +$56.4M |
|
|
TE
311
T1 Energy
TE
$1.49B
| $52.1M | 0.08% |
11,858,306
+8,289,050
| +232% | +$60.7M |
|
312
Evercore
EVR
$11.8B
| $51.9M | 0.08% |
173,860
+160,260
| +1,178% | +$52.5M |
|
313
WIX.com
WIX
$2.76B
| $51.9M | 0.08% |
576,049
+197,200
| +52% | +$16.5M |
|
314
Colliers International
CIGI
$5.29B
| $51.8M | 0.08% |
485,061
+108,361
| +29% | +$13.5M |
|
315
CarMax
KMX
$8.31B
| $51.8M | 0.08% |
1,245,000
+96,000
| +8% | +$4.2M |
|
316
Regeneron Pharmaceuticals
REGN
$81.4B
| $51.6M | 0.08% |
66,802
+57,720
| +636% | +$44.2M |
|
317
QuantumScape Corp
QS
$3.91B
| $51.4M | 0.08% |
8,051,800
-65,710
| -0.8% | -$546K |
|
|
MZTI
318
The Marzetti Company
MZTI
$3.14B
| $51.3M | 0.08% |
370,780
+14,400
| +4% | +$2.29M |
|
319
Alignment Healthcare
ALHC
$2.76B
| $51.2M | 0.08% |
2,903,100
+235,900
| +9% | +$4.74M |
|
320
Bath & Body Works
BBWI
$3.77B
| $51M | 0.08% |
2,732,733
+2,455,500
| +886% | +$53.1M |
|
321
Alliant Energy
LNT
$18.1B
| $51M | 0.08% |
710,700
+289,300
| +69% | +$20M |
|
322
Commerce Bancshares
CBSH
$8.48B
| $50.9M | 0.08% |
1,034,726
-3,000
| -0.3% | -$156K |
|
323
Target
TGT
$69.4B
| $49.8M | 0.08% |
410,500
-1,514,700
| -79% | -$171M |
|
324
Teekay
TK
$998M
| $49.8M | 0.08% |
4,074,674
-121,201
| -3% | -$1.34M |
|
325
Rush Street Interactive
RSI
$2.93B
| $49.7M | 0.08% |
2,285,000
+312,700
| +16% | +$5.99M |
|
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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.