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 | |
|---|---|---|---|---|---|---|
2126
German American Bancorp
GABC
$1.93B
| $1.86M | ﹤0.01% |
47,249
+36,849
| +354% | +$1.48M |
|
2127
Colony Bankcorp
CBAN
$473M
| $1.86M | ﹤0.01% |
109,078
-1,600
| -1% | -$27.3K |
|
2128
NETSCOUT
NTCT
$2.88B
| $1.85M | ﹤0.01% |
71,600
-13,100
| -15% | -$310K |
|
2129
NorthWestern Energy
NWE
$4.42B
| $1.84M | ﹤0.01% |
31,426
-153,700
| -83% | -$8.48M |
|
2130
ProFrac Holding
ACDC
$978M
| $1.84M | ﹤0.01% |
+497,200
| New | +$2.74M |
|
2131
Nuveen Churchill Direct Lending
NCDL
$614M
| $1.84M | ﹤0.01% |
133,297
+9,597
| +8% | +$154K |
|
2132
Invesco Total Return Bond ETF
GTO
$2.47B
| $1.84M | ﹤0.01% |
38,695
-11,305
| -23% | -$532K |
|
2133
VanEck Rare Earth/Strategic Metals ETF
REMX
$2.3B
| $1.84M | ﹤0.01% |
+27,900
| New | +$1.55M |
|
2134
908 Devices
MASS
$414M
| $1.83M | ﹤0.01% |
209,300
+35,200
| +20% | +$234K |
|
|
NFGC
2135
New Found Gold
NFGC
$649M
| $1.83M | ﹤0.01% |
771,900
+383,072
| +99% | +$674K |
|
2136
Landmark Bancorp
LARK
$196M
| $1.83M | ﹤0.01% |
71,877
-1,050
| -1% | -$26.4K |
|
2137
Olin
OLN
$2.18B
| $1.82M | ﹤0.01% |
73,000
-396,800
| -84% | -$8.81M |
|
|
FRMM
2138
Forum Markets
FRMM
$80.4M
| $1.82M | ﹤0.01% |
+75,621
| New | +$2.26M |
|
2139
Caribou Biosciences
CRBU
$157M
| $1.82M | ﹤0.01% |
780,421
+248,300
| +47% | +$469K |
|
|
CHA
2140
Chagee Holdings Ltd
CHA
$1.96B
| $1.82M | ﹤0.01% |
+109,800
| New | +$2.38M |
|
|
SOLZ
2141
Solana ETF
SOLZ
$86.9M
| $1.81M | ﹤0.01% |
+81,700
| New | +$1.7M |
|
2142
Mineralys Therapeutics
MLYS
$2.27B
| $1.8M | ﹤0.01% |
47,400
-129,526
| -73% | -$2.8M |
|
2143
Grid Dynamics Holdings
GDYN
$629M
| $1.8M | ﹤0.01% |
232,926
-195,345
| -46% | -$1.74M |
|
2144
GraniteShares 2x Long COIN Daily ETF
CONL
$402M
| $1.79M | ﹤0.01% |
+47,900
| New | +$1.96M |
|
2145
State Street SPDR S&P Bank ETF
KBE
$1.76B
| $1.79M | ﹤0.01% |
30,100
+2,500
| +9% | +$147K |
|
2146
USCB Financial Holdings
USCB
$415M
| $1.79M | ﹤0.01% |
102,366
+13,060
| +15% | +$224K |
|
2147
Mistras Group
MG
$576M
| $1.78M | ﹤0.01% |
180,800
-80,200
| -31% | -$713K |
|
2148
Invesco S&P 500 Pure Value ETF
RPV
$1.75B
| $1.78M | ﹤0.01% |
17,900
-200
| -1% | -$19.2K |
|
2149
Zedge
ZDGE
$38.4M
| $1.77M | ﹤0.01% |
609,322
+103,200
| +20% | +$366K |
|
|
GOLD
2150
Gold.com Inc
GOLD
$1.28B
| $1.77M | ﹤0.01% |
68,500
+12,900
| +23% | +$305K |
|
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.