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 | |
|---|---|---|---|---|---|---|
2901
Perfect Corp
PERF
$189M
| $383K | ﹤0.01% |
203,695
| – | – |
|
2902
Greenwich LifeSciences
GLSI
$248M
| $382K | ﹤0.01% |
38,400
+11,100
| +41% | +$125K |
|
2903
Hanover Insurance
THG
$7.74B
| $381K | ﹤0.01% |
2,100
-10,000
| -83% | -$1.71M |
|
2904
Harvard Bioscience
HBIO
$28.1M
| $381K | ﹤0.01% |
86,848
+7,650
| +10% | +$36.3K |
|
2905
Data Storage Corp
DTST
$8.37M
| $380K | ﹤0.01% |
87,900
+4,100
| +5% | +$18.2K |
|
2906
Comscore
SCOR
$108M
| $378K | ﹤0.01% |
43,321
+800
| +2% | +$4.89K |
|
2907
US GoldMining
USGO
$122M
| $378K | ﹤0.01% |
+29,400
| New | +$263K |
|
2908
Scilex Holding
SCLX
$48.5M
| $377K | ﹤0.01% |
+19,164
| New | +$324K |
|
2909
VanEck Morningstar Wide Moat ETF
MOAT
$12.5B
| $377K | ﹤0.01% |
+3,800
| New | +$371K |
|
|
ACR
2910
ACRES Commercial Realty
ACR
$101M
| $377K | ﹤0.01% |
17,794
+4,100
| +30% | +$81.1K |
|
|
NEUE
2911
DELISTED
NeueHealth
NEUE
| $375K | ﹤0.01% |
56,263
+100
| +0.2% | +$674 |
|
2912
Manitowoc
MTW
$727M
| $374K | ﹤0.01% |
+37,400
| New | +$416K |
|
2913
Destination XL Group
DXLG
$33M
| $374K | ﹤0.01% |
285,500
+24,400
| +9% | +$32K |
|
2914
Cheche Group
CCG
$33.8M
| $373K | ﹤0.01% |
8,468
+8,160
| +2,649% | +$268K |
|
2915
Spruce Power Holding Corp
SPRU
$38.9M
| $373K | ﹤0.01% |
152,320
+10,500
| +7% | +$16.3K |
|
2916
Radian Group
RDN
$4.87B
| $369K | ﹤0.01% |
+10,200
| New | +$355K |
|
2917
Copart
CPRT
$27.2B
| $369K | ﹤0.01% |
+8,200
| New | +$386K |
|
2918
S&T Bancorp
STBA
$1.82B
| $368K | ﹤0.01% |
9,800
+2,000
| +26% | +$76.9K |
|
2919
Rapid Micro Biosystems
RPID
$85.3M
| $368K | ﹤0.01% |
110,187
-800
| -0.7% | -$2.53K |
|
|
NMAD
2920
Nomad Power Solutions
NMAD
$74.1M
| $368K | ﹤0.01% |
+73,150
| New | +$308K |
|
|
YB
2921
Yuanbao Inc
YB
$634M
| $367K | ﹤0.01% |
+18,697
| New | +$475K |
|
2922
Dragonfly Energy
DFLI
$18.6M
| $366K | ﹤0.01% |
61,550
+49,260
| +401% | +$141K |
|
2923
CPS Technologies
CPSH
$83M
| $365K | ﹤0.01% |
102,112
+46,154
| +82% | +$143K |
|
2924
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.5B
| $364K | ﹤0.01% |
3,900
-3,000
| -43% | -$277K |
|
2925
Key Tronic
KTCC
$42.8M
| $364K | ﹤0.01% |
101,900
+22,000
| +28% | +$67.5K |
|
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.