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 | |
|---|---|---|---|---|---|---|
3126
Veritone
VERI
$139M
| $208K | ﹤0.01% |
+43,100
| New | +$125K |
|
3127
JetBlue
JBLU
$2.19B
| $207K | ﹤0.01% |
+42,000
| New | +$202K |
|
3128
MiNK Therapeutics
INKT
$54.8M
| $204K | ﹤0.01% |
+14,600
| New | +$234K |
|
3129
Ainos
AIMD
$10.6M
| $203K | ﹤0.01% |
+58,600
| New | +$190K |
|
3130
iShares Europe ETF
IEV
$1.7B
| $203K | ﹤0.01% |
3,100
-3,300
| -52% | -$211K |
|
3131
The Beachbody Company
BODI
$47.6M
| $203K | ﹤0.01% |
34,264
+700
| +2% | +$3.58K |
|
3132
Pyxis Tankers
PXS
$52.5M
| $202K | ﹤0.01% |
71,701
-10,200
| -12% | -$28.8K |
|
3133
a.k.a. Brands
AKA
$116M
| $200K | ﹤0.01% |
20,769
-200
| -1% | -$2.17K |
|
|
IOBT
3134
DELISTED
IO Biotech
IOBT
| $199K | ﹤0.01% |
547,315
+408,015
| +293% | +$703K |
|
3135
Coya Therapeutics
COYA
$110M
| $198K | ﹤0.01% |
34,800
+20,800
| +149% | +$127K |
|
3136
iSpecimen
ISPC
$3.31M
| $198K | ﹤0.01% |
+3,836
| New | +$180K |
|
3137
Primech Holdings
PMEC
$17.2M
| $196K | ﹤0.01% |
108,884
+21,784
| +25% | +$35.1K |
|
3138
Ark Restaurants
ARKR
$20.2M
| $196K | ﹤0.01% |
27,511
| – | – |
|
3139
Escalade
ESCA
$287M
| $195K | ﹤0.01% |
15,530
+900
| +6% | +$11.6K |
|
3140
Dyadic International
DYAI
$28.1M
| $195K | ﹤0.01% |
165,100
+117,495
| +247% | +$114K |
|
|
ALAR
3141
Alarum Technologies
ALAR
$13.4M
| $195K | ﹤0.01% |
+13,000
| New | +$187K |
|
3142
Bluerock Homes Trust
BHM
$36.4M
| $194K | ﹤0.01% |
16,200
+200
| +1% | +$2.6K |
|
3143
NN Inc
NNBR
$298M
| $194K | ﹤0.01% |
94,000
-4,200
| -4% | -$9.43K |
|
3144
Surrozen
SRZN
$279M
| $190K | ﹤0.01% |
14,726
+100
| +0.7% | +$1.05K |
|
3145
Amtech Systems
ASYS
$280M
| $188K | ﹤0.01% |
20,300
+5,800
| +40% | +$35.4K |
|
3146
Clene
CLNN
$53.5M
| $183K | ﹤0.01% |
+30,440
| New | +$145K |
|
|
IHT
3147
InnSuites Hospitality Trust
IHT
$15.1M
| $182K | ﹤0.01% |
99,603
-1,900
| -2% | -$3.88K |
|
3148
Urban One Class D
UONEK
$24.1M
| $180K | ﹤0.01% |
25,881
-140
| -0.5% | -$1K |
|
3149
HF Foods Group
HFFG
$97.6M
| $180K | ﹤0.01% |
65,200
-2,700
| -4% | -$8.63K |
|
3150
AYTU BioPharma
AYTU
$24.7M
| $179K | ﹤0.01% |
95,123
+5,210
| +6% | +$12K |
|
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.