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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1376
First Interstate BancSystem
FIBK
$3.69B
| $6.29M | 0.01% |
218,098
+90,400
| +71% | +$2.44M |
|
1377
Inter&Co
INTR
$2.3B
| $6.28M | 0.01% |
846,920
-100,306
| -11% | -$667K |
|
1378
Westwood Holdings Group
WHG
$188M
| $6.27M | 0.01% |
401,658
-5,000
| -1% | -$78K |
|
1379
NRC Health Common Stock
NRC
$464M
| $6.25M | 0.01% |
371,984
+1,500
| +0.4% | +$20.3K |
|
|
HUYA
1380
Huya Inc
HUYA
$538M
| $6.25M | 0.01% |
1,774,700
-3,300
| -0.2% | -$12K |
|
1381
Select Water Solutions
WTTR
$2.65B
| $6.22M | 0.01% |
720,376
-121,923
| -14% | -$1.05M |
|
1382
Globus Medical
GMED
$11.5B
| $6.22M | 0.01% |
105,418
-71,500
| -40% | -$4.62M |
|
|
HBI
1383
DELISTED
Hanesbrands
HBI
| $6.21M | 0.01% |
1,356,400
-874,300
| -39% | -$4.22M |
|
1384
La-Z-Boy
LZB
$1.68B
| $6.17M | 0.01% |
+166,000
| New | +$6.64M |
|
|
PLGO
1385
Pelagos Insurance Capital
PLGO
$1.93B
| $6.16M | 0.01% |
371,811
+193,078
| +108% | +$3.2M |
|
1386
Interface
TILE
$2.24B
| $6.13M | 0.01% |
292,889
-81,652
| -22% | -$1.62M |
|
1387
Reinsurance Group of America
RGA
$16.2B
| $6.11M | 0.01% |
30,800
-76,400
| -71% | -$14.9M |
|
1388
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.7B
| $6.11M | 0.01% |
+65,000
| New | +$5.59M |
|
1389
Kura Oncology
KURA
$911M
| $6.1M | 0.01% |
1,057,010
+524,400
| +98% | +$3.21M |
|
1390
Kinetik
KNTK
$4.15B
| $6.09M | 0.01% |
138,362
-338,300
| -71% | -$14.9M |
|
1391
Vanguard Intermediate-Term Bond ETF
BIV
$28.9B
| $6.07M | 0.01% |
+78,500
| New | +$5.98M |
|
|
NPKI
1392
NPK International
NPKI
$1.19B
| $6.07M | 0.01% |
713,241
-95,759
| -12% | -$702K |
|
1393
VTEX
VTEX
$633M
| $6.07M | 0.01% |
919,500
+106,200
| +13% | +$624K |
|
1394
Kohl's
KSS
$2.22B
| $6.07M | 0.01% |
+715,500
| New | +$5.5M |
|
1395
Akamai
AKAM
$17.9B
| $6.05M | 0.01% |
+75,900
| New | +$5.9M |
|
|
CMRC
1396
Commerce.com Inc Series 1
CMRC
$183M
| $6.05M | 0.01% |
1,209,900
+291,300
| +32% | +$1.5M |
|
1397
Unifirst Corp
UNF
$5.21B
| $6.04M | 0.01% |
32,100
-3,100
| -9% | -$563K |
|
1398
Regenxbio
RGNX
$706M
| $6.04M | 0.01% |
735,200
+438,400
| +148% | +$3.67M |
|
|
MLNK
1399
DELISTED
MeridianLink
MLNK
| $6.03M | 0.01% |
371,633
+21,833
| +6% | +$365K |
|
1400
Ironwood Pharmaceuticals
IRWD
$681M
| $6.03M | 0.01% |
8,406,169
-1,534,323
| -15% | -$1.2M |
|
Similar funds
Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.