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 | |
|---|---|---|---|---|---|---|
1476
Cognyte Software
CGNT
$673M
| $4.19M | 0.01% |
517,377
-49,534
| -9% | -$409K |
|
1477
Sana Biotechnology
SANA
$1.11B
| $4.18M | 0.01% |
1,451,200
-239,916
| -14% | -$945K |
|
1478
Nordic American Tanker
NAT
$1.4B
| $4.15M | 0.01% |
708,107
+66,700
| +10% | +$316K |
|
1479
Sprout Social
SPT
$581M
| $4.15M | 0.01% |
727,762
+322,200
| +79% | +$2.48M |
|
1480
N-able
NABL
$661M
| $4.11M | 0.01% |
880,500
+357,500
| +68% | +$2M |
|
1481
RE/MAX Holdings
RMAX
$260M
| $4.11M | 0.01% |
713,565
-24,700
| -3% | -$171K |
|
1482
Pathward Financial
CASH
$1.79B
| $4.11M | 0.01% |
+46,058
| New | +$4.01M |
|
1483
RLI Corp
RLI
$5.83B
| $4.08M | 0.01% |
+71,500
| New | +$4.29M |
|
1484
J. Jill
JILL
$279M
| $4.08M | 0.01% |
355,600
-13,800
| -4% | -$220K |
|
1485
Kaiser Aluminum
KALU
$3.03B
| $4.07M | 0.01% |
33,814
+26,514
| +363% | +$3.36M |
|
1486
Viemed Healthcare
VMD
$356M
| $4.07M | 0.01% |
442,200
+1,400
| +0.3% | +$11.7K |
|
|
OPRA
1487
Opera Ltd
OPRA
$1.78B
| $4.06M | 0.01% |
284,801
+53,000
| +23% | +$733K |
|
1488
State Street SPDR Portfolio Developed World ex-US ETF
SPDW
$42.1B
| $4.06M | 0.01% |
+88,900
| New | +$4.17M |
|
1489
Schneider National
SNDR
$6.38B
| $4.05M | 0.01% |
153,600
+125,000
| +437% | +$3.46M |
|
1490
Novavax
NVAX
$1.34B
| $4.05M | 0.01% |
+497,383
| New | +$4.51M |
|
1491
Ponce Financial Group
PDLB
$501M
| $4.05M | 0.01% |
242,135
+21,888
| +10% | +$361K |
|
|
BLLN
1492
BillionToOne Inc
BLLN
$4.47B
| $4.05M | 0.01% |
+51,254
| New | +$4.2M |
|
1493
Backblaze
BLZE
$1.25B
| $4.05M | 0.01% |
1,172,657
+361,905
| +45% | +$1.52M |
|
1494
Compass Minerals
CMP
$1.1B
| $4.04M | 0.01% |
172,911
+157,111
| +994% | +$3.7M |
|
1495
LifeMD
LFMD
$162M
| $4.04M | 0.01% |
1,118,325
-380,000
| -25% | -$1.31M |
|
1496
Eton Pharmaceutcials
ETON
$1.15B
| $4.03M | 0.01% |
163,321
-42,379
| -21% | -$741K |
|
1497
Employers Holdings
EIG
$871M
| $4.02M | 0.01% |
97,700
-69,300
| -41% | -$2.93M |
|
1498
Vestis
VSTS
$1.85B
| $4M | 0.01% |
509,100
-64,700
| -11% | -$473K |
|
1499
TriMas Corp
TRS
$1.41B
| $3.98M | 0.01% |
110,700
-121,200
| -52% | -$4.35M |
|
|
NAVN
1500
Navan Inc
NAVN
$7.5B
| $3.98M | 0.01% |
+300,417
| New | +$3.57M |
|
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.