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 | |
|---|---|---|---|---|---|---|
1326
Mama's Creations
MAMA
$807M
| $5.53M | 0.01% |
360,600
+19,300
| +6% | +$293K |
|
1327
SPS Commerce
SPSC
$2.73B
| $5.53M | 0.01% |
+99,360
| New | +$7.16M |
|
1328
PAR Technology
PAR
$736M
| $5.51M | 0.01% |
+413,200
| New | +$9.7M |
|
1329
Black Hills Corp
BKH
$5.65B
| $5.5M | 0.01% |
+79,200
| New | +$5.7M |
|
|
STEL
1330
DELISTED
Stellar Bancorp
STEL
| $5.49M | 0.01% |
+149,986
| New | +$5.38M |
|
1331
Cabaletta Bio
CABA
$448M
| $5.48M | 0.01% |
2,036,663
+514,080
| +34% | +$1.43M |
|
1332
Zimmer Biomet
ZBH
$18.8B
| $5.47M | 0.01% |
+60,536
| New | +$5.56M |
|
1333
Invesco Mortgage Capital
IVR
$811M
| $5.47M | 0.01% |
677,100
+201,500
| +42% | +$1.72M |
|
|
USAS
1334
Americas Gold and Silver
USAS
$1.73B
| $5.47M | 0.01% |
+1,047,500
| New | +$7.65M |
|
1335
CNB Financial Corp
CCNE
$1.04B
| $5.46M | 0.01% |
188,445
-26,700
| -12% | -$746K |
|
1336
Emergent Biosolutions
EBS
$241M
| $5.45M | 0.01% |
656,047
+78,900
| +14% | +$817K |
|
1337
Newmark Group
NMRK
$2.72B
| $5.43M | 0.01% |
+362,545
| New | +$5.72M |
|
1338
Talos Energy
TALO
$2.57B
| $5.42M | 0.01% |
344,000
-300,600
| -47% | -$3.86M |
|
1339
4D Molecular Therapeutics
FDMT
$596M
| $5.38M | 0.01% |
578,265
+65,365
| +13% | +$569K |
|
1340
Marcus Corp
MCS
$920M
| $5.37M | 0.01% |
312,970
-102,119
| -25% | -$1.63M |
|
1341
Columbus McKinnon
CMCO
$547M
| $5.37M | 0.01% |
369,323
+258,238
| +232% | +$4.81M |
|
1342
Aptiv
APTV
$10.1B
| $5.35M | 0.01% |
77,000
-128,400
| -63% | -$9.89M |
|
|
LAR
1343
Lithium Argentina AG
LAR
$1.14B
| $5.33M | 0.01% |
+797,600
| New | +$5.71M |
|
1344
Riskified
RSKD
$818M
| $5.33M | 0.01% |
1,358,900
+22,100
| +2% | +$97.9K |
|
1345
Babcock & Wilcox
BW
$1.41B
| $5.33M | 0.01% |
362,500
+17,000
| +5% | +$179K |
|
|
JBTM
1346
JBT Marel
JBTM
$6.04B
| $5.31M | 0.01% |
41,500
-75,200
| -64% | -$11.4M |
|
1347
iShares Russell Top 200 Growth ETF
IWY
$16.7B
| $5.3M | 0.01% |
21,280
+20,440
| +2,433% | +$5.42M |
|
1348
HUB Group
HUBG
$2.57B
| $5.29M | 0.01% |
146,672
+139,900
| +2,066% | +$5.91M |
|
1349
Pangaea Logistics
PANL
$494M
| $5.28M | 0.01% |
746,100
+185,100
| +33% | +$1.46M |
|
1350
AbCellera Biologics
ABCL
$3.28B
| $5.27M | 0.01% |
1,510,629
-878,600
| -37% | -$3.16M |
|
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.