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 | |
|---|---|---|---|---|---|---|
|
SFIX
676
Stitch Fix
SFIX
$474M
| $18.7M | 0.03% |
5,645,858
-56,200
| -1% | -$229K |
|
677
StealthGas
GASS
$331M
| $18.7M | 0.03% |
2,032,631
+17,100
| +0.8% | +$144K |
|
678
Barrett Business Services
BBSI
$756M
| $18.7M | 0.03% |
639,462
+8,600
| +1% | +$284K |
|
679
IHS Holding
IHS
$2.82B
| $18.6M | 0.03% |
2,258,100
+856,800
| +61% | +$6.86M |
|
680
CTS Corp
CTS
$1.82B
| $18.5M | 0.03% |
388,384
+75,742
| +24% | +$3.8M |
|
681
Red Cat Holdings
RCAT
$1.58B
| $18.5M | 0.03% |
+1,415,826
| New | +$19.3M |
|
682
AGNC Investment
AGNC
$12.9B
| $18.5M | 0.03% |
1,844,929
-5,016,750
| -73% | -$55.5M |
|
683
Rubrik
RBRK
$19.9B
| $18.5M | 0.03% |
377,489
-345,900
| -48% | -$19.9M |
|
|
TEN
684
Tsakos Energy Navigation Ltd
TEN
$1.18B
| $18.4M | 0.03% |
466,225
+61,428
| +15% | +$1.88M |
|
685
Vera Therapeutics
VERA
$2.16B
| $18.4M | 0.03% |
457,300
+263,900
| +136% | +$11.4M |
|
686
Seaboard Corp
SEB
$4.02B
| $18.4M | 0.03% |
3,252
-1,850
| -36% | -$9.27M |
|
687
Cavco Industries
CVCO
$4.6B
| $18.4M | 0.03% |
37,929
+25,960
| +217% | +$14.7M |
|
688
Boise Cascade
BCC
$2.94B
| $18.2M | 0.03% |
240,549
-42,200
| -15% | -$3.38M |
|
689
Nomura Holdings
NMR
$29B
| $18.2M | 0.03% |
2,312,237
+491,400
| +27% | +$4.23M |
|
|
VRE
690
DELISTED
Veris Residential
VRE
| $18.2M | 0.03% |
965,900
+447,700
| +86% | +$7.59M |
|
691
Jones Lang LaSalle
JLL
$16.7B
| $18.2M | 0.03% |
59,849
+18,960
| +46% | +$6.12M |
|
692
Dentsply Sirona
XRAY
$2.27B
| $18.2M | 0.03% |
1,569,358
-77,513
| -5% | -$967K |
|
693
Banco Santander Chile
BSAC
$16B
| $18.2M | 0.03% |
543,829
-82,389
| -13% | -$2.78M |
|
694
Builders FirstSource
BLDR
$7.79B
| $18.1M | 0.03% |
220,241
-314,500
| -59% | -$33.6M |
|
695
Hovnanian Enterprises
HOV
$793M
| $18.1M | 0.03% |
163,415
-4,200
| -3% | -$489K |
|
696
Ryan Specialty Holdings
RYAN
$11B
| $18.1M | 0.03% |
536,600
+500,200
| +1,374% | +$21.4M |
|
697
GE HealthCare
GEHC
$32.6B
| $18.1M | 0.03% |
+254,100
| New | +$20M |
|
698
Rayonier Advanced Materials
RYAM
$561M
| $18M | 0.03% |
1,625,314
-213,338
| -12% | -$1.92M |
|
699
Grupo Aeroportuario Centro Norte
OMAB
$5.28B
| $17.9M | 0.03% |
156,200
-5,000
| -3% | -$583K |
|
700
Central Pacific Financial
CPF
$997M
| $17.9M | 0.03% |
559,390
+1,190
| +0.2% | +$38.4K |
|
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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.