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 | |
|---|---|---|---|---|---|---|
2751
Perella Weinberg Partners
PWP
$1.32B
| $546K | ﹤0.01% |
25,600
-188,000
| -88% | -$4.02M |
|
|
NOAH
2752
Noah Holdings
NOAH
$586M
| $542K | ﹤0.01% |
46,800
-4,500
| -9% | -$53.8K |
|
2753
Betterware México
BWMX
$615M
| $542K | ﹤0.01% |
40,300
| – | – |
|
|
EUAD
2754
Select STOXX Europe Aerospace & Defense ETF
EUAD
$1.26B
| $540K | ﹤0.01% |
11,500
-108,300
| -90% | -$4.66M |
|
2755
Constellium
CSTM
$4.01B
| $540K | ﹤0.01% |
36,300
-69,800
| -66% | -$999K |
|
2756
Aligos Therapeutics
ALGS
$41.7M
| $539K | ﹤0.01% |
55,019
+2,475
| +5% | +$22.6K |
|
2757
Pulmonx
LUNG
$94.9M
| $539K | ﹤0.01% |
332,810
+81,500
| +32% | +$170K |
|
|
DDI
2758
DoubleDown Interactive
DDI
$627M
| $539K | ﹤0.01% |
57,716
+27,316
| +90% | +$261K |
|
2759
Franklin Wireless
FKWL
$27M
| $538K | ﹤0.01% |
123,300
-2,100
| -2% | -$8.5K |
|
2760
PLAYSTUDIOS Inc
MYPS
$63.2M
| $535K | ﹤0.01% |
555,970
+52,370
| +10% | +$56.4K |
|
2761
iShares US Medical Devices ETF
IHI
$3.47B
| $535K | ﹤0.01% |
+8,900
| New | +$544K |
|
2762
Elicio Therapeutics
ELTX
$82.5M
| $532K | ﹤0.01% |
+48,671
| New | +$493K |
|
2763
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$255M
| $531K | ﹤0.01% |
+21,600
| New | +$511K |
|
2764
IZEA Worldwide
IZEA
$53.8M
| $530K | ﹤0.01% |
142,399
+28,696
| +25% | +$105K |
|
2765
COPT Defense Properties
CDP
$4.23B
| $529K | ﹤0.01% |
18,200
-63,600
| -78% | -$1.83M |
|
|
ADAP
2766
DELISTED
Adaptimmune Therapeutics
ADAP
| $527K | ﹤0.01% |
4,054,089
+2,171,229
| +115% | +$298K |
|
2767
Westrock Coffee
WEST
$814M
| $525K | ﹤0.01% |
+107,925
| New | +$649K |
|
2768
US Global Investors
GROW
$38.6M
| $523K | ﹤0.01% |
190,084
+35,069
| +23% | +$86.8K |
|
2769
Invesco S&P 500 GARP ETF
SPGP
$2.33B
| $523K | ﹤0.01% |
4,600
-200
| -4% | -$22.2K |
|
|
NOTV
2770
DELISTED
Inotiv
NOTV
| $522K | ﹤0.01% |
359,764
-38,190
| -10% | -$68.2K |
|
|
HOOG
2771
Leverage Shares 2X Long HOOD Daily ETF
HOOG
$64.5M
| $520K | ﹤0.01% |
+4,500
| New | +$323K |
|
2772
MicroSectors Gold Miners -3x Inverse Leveraged ETN
GDXD
$624M
| $520K | ﹤0.01% |
+2,997
| New | +$1.27M |
|
|
FBLA
2773
FB Bancorp
FBLA
$253M
| $519K | ﹤0.01% |
+43,200
| New | +$510K |
|
2774
Shattuck Labs
STTK
$728M
| $518K | ﹤0.01% |
216,867
+178,767
| +469% | +$219K |
|
|
LGCY
2775
Legacy Education Inc
LGCY
$136M
| $518K | ﹤0.01% |
54,100
-12,100
| -18% | -$141K |
|
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.