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 | |
|---|---|---|---|---|---|---|
851
Enpro
NPO
$7.23B
| $12.6M | 0.02% |
50,100
+26,000
| +108% | +$6.51M |
|
852
iShares Expanded Tech-Software Sector ETF
IGV
$14.8B
| $12.6M | 0.02% |
156,800
+127,200
| +430% | +$11.3M |
|
853
Moelis & Co
MC
$4.91B
| $12.5M | 0.02% |
219,500
-76,444
| -26% | -$4.97M |
|
854
Customers Bancorp
CUBI
$2.8B
| $12.5M | 0.02% |
179,720
+45,800
| +34% | +$3.33M |
|
855
Workiva
WK
$3.7B
| $12.5M | 0.02% |
209,140
-69,900
| -25% | -$4.87M |
|
|
WBI
856
WaterBridge Infrastructure LLC
WBI
$1.5B
| $12.5M | 0.02% |
464,900
+263,700
| +131% | +$6.28M |
|
857
Lamar Advertising Co
LAMR
$15.6B
| $12.4M | 0.02% |
+98,212
| New | +$12.9M |
|
858
Puma Biotechnology
PBYI
$459M
| $12.4M | 0.02% |
1,942,413
-181,400
| -9% | -$1.17M |
|
859
Graphic Packaging
GPK
$3.46B
| $12.4M | 0.02% |
1,248,218
-45,400
| -4% | -$572K |
|
860
Nu Skin
NUS
$236M
| $12.4M | 0.02% |
1,700,496
-39,400
| -2% | -$357K |
|
|
CSGS
861
DELISTED
CSG Systems International
CSGS
| $12.3M | 0.02% |
+154,122
| New | +$12.3M |
|
862
Flowers Foods
FLO
$1.52B
| $12.3M | 0.02% |
1,511,602
-1,550,180
| -51% | -$15.6M |
|
863
Polaris
PII
$3.9B
| $12.3M | 0.02% |
225,800
+105,100
| +87% | +$6.58M |
|
864
Bel Fuse Inc Class A
BELFA
$3.43B
| $12.3M | 0.02% |
68,253
+26,200
| +62% | +$5.02M |
|
865
First Horizon
FHN
$12.3B
| $12.3M | 0.02% |
540,211
+330,800
| +158% | +$7.91M |
|
866
Dycom Industries
DY
$12.3B
| $12.3M | 0.02% |
+36,240
| New | +$13.6M |
|
|
CBL
867
CBL Properties
CBL
$1.77B
| $12.3M | 0.02% |
319,194
+3,400
| +1% | +$126K |
|
868
Beam Therapeutics
BEAM
$2.76B
| $12.2M | 0.02% |
513,578
+357,078
| +228% | +$9.91M |
|
869
KB Home
KBH
$3.42B
| $12.2M | 0.02% |
235,700
+149,800
| +174% | +$8.81M |
|
870
Penske Automotive Group
PAG
$14.3B
| $12.2M | 0.02% |
81,500
+11,000
| +16% | +$1.74M |
|
871
NETGEAR
NTGR
$658M
| $12.2M | 0.02% |
557,462
+243,843
| +78% | +$5.26M |
|
872
Camden National
CAC
$990M
| $12.2M | 0.02% |
256,394
-21,806
| -8% | -$1.02M |
|
873
B2Gold
BTG
$6.88B
| $12.1M | 0.02% |
2,674,658
+140,400
| +6% | +$705K |
|
874
Granite Construction
GVA
$5.52B
| $12.1M | 0.02% |
101,065
-30,800
| -23% | -$3.84M |
|
875
Insight Enterprises
NSIT
$4.54B
| $12.1M | 0.02% |
180,573
+43,700
| +32% | +$3.57M |
|
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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.