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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SEVN
2401
Seven Hills Realty Trust
SEVN
$176M
| $1.18M | ﹤0.01% |
114,634
+400
| +0.4% | +$4.36K |
|
2402
Advantage Solutions
ADV
$421M
| $1.18M | ﹤0.01% |
30,832
+3,016
| +11% | +$125K |
|
2403
Orion Energy Systems
OESX
$77.9M
| $1.18M | ﹤0.01% |
134,270
+8,106
| +6% | +$56.6K |
|
|
TVRD
2404
Tvardi Therapeutics
TVRD
$23.5M
| $1.18M | ﹤0.01% |
30,175
-1,059
| -3% | -$30.2K |
|
2405
McGrath RentCorp
MGRC
$2.96B
| $1.17M | ﹤0.01% |
9,995
-56,700
| -85% | -$6.84M |
|
2406
Resources Connection
RGP
$146M
| $1.17M | ﹤0.01% |
231,200
-25,942
| -10% | -$133K |
|
|
JAMF
2407
DELISTED
Jamf
JAMF
| $1.17M | ﹤0.01% |
109,100
-76,300
| -41% | -$691K |
|
2408
Hamilton Insurance Group
HG
$2.36B
| $1.16M | ﹤0.01% |
46,900
-69,600
| -60% | -$1.59M |
|
2409
Five Star Bancorp
FSBC
$1.15B
| $1.16M | ﹤0.01% |
36,000
-30,500
| -46% | -$958K |
|
2410
SEACOR Marine Holdings
SMHI
$265M
| $1.16M | ﹤0.01% |
178,500
-33,900
| -16% | -$205K |
|
2411
Greene County Bancorp
GCBC
$593M
| $1.15M | ﹤0.01% |
50,900
-10,900
| -18% | -$262K |
|
2412
iShares Expanded Tech-Software Sector ETF
IGV
$14.9B
| $1.15M | ﹤0.01% |
+10,000
| New | +$1.11M |
|
2413
Pioneer Bancorp
PBFS
$421M
| $1.15M | ﹤0.01% |
87,760
+2,700
| +3% | +$34.4K |
|
2414
Red Robin
RRGB
$189M
| $1.14M | ﹤0.01% |
166,743
+77,886
| +88% | +$497K |
|
2415
VanEck Oil Services ETF
OIH
$2B
| $1.14M | ﹤0.01% |
+4,390
| New | +$1.09M |
|
2416
Dimensional US Core Equity Market ETF
DFAU
$12.9B
| $1.14M | ﹤0.01% |
24,900
+1,200
| +5% | +$52.9K |
|
|
SELF
2417
Global Self Storage
SELF
$60M
| $1.14M | ﹤0.01% |
225,874
+20,899
| +10% | +$109K |
|
2418
MicroSectors FANG & Innovation 3x Leveraged ETN
BULZ
$336M
| $1.13M | ﹤0.01% |
+44,000
| New | +$889K |
|
2419
Acrivon Therapeutics
ACRV
$83.9M
| $1.13M | ﹤0.01% |
623,400
+114,105
| +22% | +$160K |
|
|
XYF
2420
X Financial
XYF
$208M
| $1.13M | ﹤0.01% |
81,875
-2,100
| -3% | -$32.3K |
|
2421
Enovix
ENVX
$953M
| $1.13M | ﹤0.01% |
+112,849
| New | +$1.25M |
|
|
VBNK
2422
VersaBank
VBNK
$656M
| $1.12M | ﹤0.01% |
91,800
+48,700
| +113% | +$562K |
|
2423
PagSeguro Digital
PAGS
$2.4B
| $1.12M | ﹤0.01% |
111,823
-29,353
| -21% | -$264K |
|
|
RPT
2424
Rithm Property Trust
RPT
$104M
| $1.12M | ﹤0.01% |
73,887
+44,426
| +151% | +$704K |
|
2425
LGL Group
LGL
$93.7M
| $1.11M | ﹤0.01% |
167,021
+1,700
| +1% | +$11.8K |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.