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 | |
|---|---|---|---|---|---|---|
|
STLN
1901
Starling Oncology, Inc. Common Stock
STLN
$657M
| $2.62M | ﹤0.01% |
750,500
+293,000
| +64% | +$1M |
|
1902
iShares MSCI United Kingdom ETF
EWU
$4.13B
| $2.61M | ﹤0.01% |
+62,098
| New | +$2.54M |
|
|
MAPS
1903
DELISTED
WM TECHNOLOGY INC A
MAPS
| $2.6M | ﹤0.01% |
2,237,794
+46,794
| +2% | +$50.6K |
|
|
ASRT
1904
DELISTED
Assertio
ASRT
| $2.59M | ﹤0.01% |
196,152
+8,010
| +4% | +$93.2K |
|
1905
Henry Schein
HSIC
$10B
| $2.59M | ﹤0.01% |
+39,012
| New | +$2.7M |
|
1906
iShares MSCI South Korea ETF
EWY
$27.8B
| $2.58M | ﹤0.01% |
+32,152
| New | +$2.39M |
|
1907
iShares Russell Top 200 Growth ETF
IWY
$16.7B
| $2.57M | ﹤0.01% |
+9,400
| New | +$2.43M |
|
1908
Franklin Covey
FC
$229M
| $2.57M | ﹤0.01% |
132,303
-14,800
| -10% | -$293K |
|
1909
Sonida Senior Living
SNDA
$1.88B
| $2.57M | ﹤0.01% |
92,591
+11,500
| +14% | +$295K |
|
|
ROBN
1910
T-Rex 2X Long HOOD Daily Target ETF
ROBN
$101M
| $2.56M | ﹤0.01% |
+23,800
| New | +$1.6M |
|
1911
Alpha Pro Tech
APT
$55.4M
| $2.56M | ﹤0.01% |
535,775
-300
| -0.1% | -$1.44K |
|
|
ONIT
1912
Onity Group
ONIT
$328M
| $2.56M | ﹤0.01% |
64,063
+16,600
| +35% | +$667K |
|
1913
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$48.2B
| $2.55M | ﹤0.01% |
5,500
-4,500
| -45% | -$2.03M |
|
1914
Amplify CWP Enhanced Dividend Income ETF
DIVO
$7.85B
| $2.55M | ﹤0.01% |
57,200
+17,600
| +44% | +$763K |
|
1915
Adtran
ADTN
$684M
| $2.55M | ﹤0.01% |
271,634
-397,206
| -59% | -$3.7M |
|
|
PMT
1916
PennyMac Mortgage Investment
PMT
$824M
| $2.54M | ﹤0.01% |
207,200
-30,900
| -13% | -$382K |
|
|
HITI
1917
High Tide
HITI
$206M
| $2.54M | ﹤0.01% |
699,200
+40,244
| +6% | +$116K |
|
1918
Rackspace Technology
RXT
$1.07B
| $2.53M | ﹤0.01% |
1,795,700
-202,586
| -10% | -$271K |
|
1919
Vestis
VSTS
$1.76B
| $2.53M | ﹤0.01% |
558,131
+173,131
| +45% | +$888K |
|
1920
Boston Omaha
BOC
$421M
| $2.53M | ﹤0.01% |
193,100
+42,900
| +29% | +$576K |
|
1921
Bank of Marin Bancorp
BMRC
$458M
| $2.52M | ﹤0.01% |
103,868
-10,224
| -9% | -$247K |
|
|
MITT
1922
TPG Mortgage Investment Trust
MITT
$215M
| $2.51M | ﹤0.01% |
346,341
-19,800
| -5% | -$150K |
|
1923
Five Point Holdings
FPH
$371M
| $2.51M | ﹤0.01% |
408,700
-66,900
| -14% | -$389K |
|
1924
Progress Software
PRGS
$1.79B
| $2.5M | ﹤0.01% |
56,965
-283,664
| -83% | -$13.1M |
|
1925
M-tron Industries
MPTI
$383M
| $2.5M | ﹤0.01% |
45,105
+6,500
| +17% | +$291K |
|
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.