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 | |
|---|---|---|---|---|---|---|
1376
DHI Group
DHX
$172M
| $5.06M | 0.01% |
1,801,329
-385,900
| -18% | -$855K |
|
|
CRON
1377
Cronos Group
CRON
$1.18B
| $5.04M | 0.01% |
2,009,549
+164,500
| +9% | +$429K |
|
1378
AnaptysBio
ANAB
$1.69B
| $5.04M | 0.01% |
90,900
+14,600
| +19% | +$786K |
|
1379
Qfin Holdings
QFIN
$1.51B
| $5.03M | 0.01% |
+389,743
| New | +$5.99M |
|
1380
Hallador Energy
HNRG
$727M
| $5.02M | 0.01% |
308,255
+8,800
| +3% | +$164K |
|
1381
Fortinet
FTNT
$120B
| $5.02M | 0.01% |
61,394
-402,800
| -87% | -$32.5M |
|
1382
Albany International
AIN
$1.81B
| $5.01M | 0.01% |
+95,900
| New | +$5.38M |
|
1383
Keros Therapeutics
KROS
$219M
| $5.01M | 0.01% |
453,482
-138,204
| -23% | -$2.13M |
|
1384
Ramaco Resources Class A
METC
$668M
| $5M | 0.01% |
323,564
-1,202,600
| -79% | -$21.3M |
|
1385
FMC
FMC
$1.25B
| $5M | 0.01% |
290,200
-451,000
| -61% | -$6.74M |
|
|
FFIC
1386
DELISTED
Flushing Financial
FFIC
| $4.97M | 0.01% |
323,492
+11,992
| +4% | +$187K |
|
1387
Viant Technology
DSP
$266M
| $4.95M | 0.01% |
441,800
-52,000
| -11% | -$575K |
|
1388
Immunocore
IMCR
$1.73B
| $4.94M | 0.01% |
164,000
+23,100
| +16% | +$747K |
|
|
VIA
1389
Via Transportation Inc
VIA
$2.06B
| $4.94M | 0.01% |
329,500
+227,300
| +222% | +$4.53M |
|
1390
Crawford & Co Class A
CRD.A
$616M
| $4.94M | 0.01% |
495,424
-18,800
| -4% | -$197K |
|
1391
Stewart Information Services
STC
$2.02B
| $4.94M | 0.01% |
80,187
-12,900
| -14% | -$859K |
|
1392
First Trust Rising Dividend Achievers ETF
RDVY
$25.7B
| $4.93M | 0.01% |
72,200
+24,500
| +51% | +$1.74M |
|
1393
Caribou Biosciences
CRBU
$167M
| $4.92M | 0.01% |
2,590,497
+950,640
| +58% | +$1.63M |
|
1394
Cable One
CABO
$195M
| $4.92M | 0.01% |
53,900
+8,400
| +18% | +$822K |
|
|
OMDA
1395
Omada Health Inc
OMDA
$1.47B
| $4.92M | 0.01% |
391,069
+248,269
| +174% | +$3.43M |
|
1396
Heritage Financial
HFWA
$1.23B
| $4.9M | 0.01% |
188,341
-89,612
| -32% | -$2.33M |
|
1397
Hanmi Financial
HAFC
$964M
| $4.89M | 0.01% |
185,511
-137,341
| -43% | -$3.7M |
|
1398
Tigo Energy
TYGO
$95.2M
| $4.88M | 0.01% |
1,298,877
-126,163
| -9% | -$417K |
|
|
HTBK
1399
DELISTED
Heritage Commerce
HTBK
| $4.87M | 0.01% |
390,000
-74,700
| -16% | -$949K |
|
1400
OppFi
OPFI
$603M
| $4.86M | 0.01% |
630,308
+14,100
| +2% | +$129K |
|
Similar funds
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.