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 | |
|---|---|---|---|---|---|---|
2276
Ultralife
ULBI
$125M
| $1.46M | ﹤0.01% |
214,590
-21,600
| -9% | -$164K |
|
2277
National Health Investors
NHI
$3.58B
| $1.46M | ﹤0.01% |
18,400
-22,100
| -55% | -$1.65M |
|
2278
Fidelity Nasdaq Composite Index ETF
ONEQ
$10.9B
| $1.46M | ﹤0.01% |
+16,399
| New | +$1.38M |
|
|
THS
2279
DELISTED
Treehouse Foods
THS
| $1.46M | ﹤0.01% |
72,300
-330,800
| -82% | -$6.27M |
|
2280
Columbia Research Enhanced Core ETF
RECS
$6.1B
| $1.46M | ﹤0.01% |
36,171
+8,271
| +30% | +$319K |
|
2281
GoPro
GPRO
$110M
| $1.46M | ﹤0.01% |
687,300
-551,300
| -45% | -$819K |
|
|
FSP
2282
Franklin Street Properties
FSP
$50.8M
| $1.45M | ﹤0.01% |
908,483
+377,900
| +71% | +$626K |
|
2283
United-Guardian
UG
$32.8M
| $1.45M | ﹤0.01% |
184,763
-3,200
| -2% | -$26.3K |
|
2284
Karooooo
KARO
$1.92B
| $1.45M | ﹤0.01% |
25,387
+2,600
| +11% | +$132K |
|
2285
Princeton Bancorp
BPRN
$296M
| $1.45M | ﹤0.01% |
45,423
-1,200
| -3% | -$38.7K |
|
2286
Saga Communications
SGA
$62.1M
| $1.44M | ﹤0.01% |
115,844
+1,200
| +1% | +$15.3K |
|
2287
Materion
MTRN
$5.9B
| $1.44M | ﹤0.01% |
11,900
-500
| -4% | -$52.5K |
|
2288
First Western Financial
MYFW
$310M
| $1.43M | ﹤0.01% |
62,300
-12,500
| -17% | -$285K |
|
2289
Motorcar Parts of America
MPAA
$236M
| $1.43M | ﹤0.01% |
86,600
-15,600
| -15% | -$212K |
|
2290
DLH Holdings
DLHC
$67.5M
| $1.42M | ﹤0.01% |
252,064
+24,000
| +11% | +$135K |
|
2291
Owlet
OWLT
$194M
| $1.42M | ﹤0.01% |
168,023
+30,414
| +22% | +$241K |
|
2292
Hagerty
HGTY
$1.32B
| $1.42M | ﹤0.01% |
117,968
-5,200
| -4% | -$57.6K |
|
2293
State Street SPDR Bloomberg International Treasury Bond ETF
BWX
$1.3B
| $1.42M | ﹤0.01% |
61,750
-123,750
| -67% | -$2.85M |
|
2294
GSI Technology
GSIT
$270M
| $1.42M | ﹤0.01% |
385,909
+265,800
| +221% | +$1M |
|
2295
Great Elm Group
GEG
$67.7M
| $1.42M | ﹤0.01% |
577,876
-19,036
| -3% | -$45.2K |
|
|
DFSV
2296
Dimensional US Small Cap Value ETF
DFSV
$8.48B
| $1.41M | ﹤0.01% |
44,400
-7,900
| -15% | -$247K |
|
2297
PCB Bancorp
PCB
$399M
| $1.41M | ﹤0.01% |
67,301
+8,000
| +13% | +$172K |
|
2298
Omeros
OMER
$1.24B
| $1.41M | ﹤0.01% |
344,500
-38,200
| -10% | -$152K |
|
2299
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.43B
| $1.41M | ﹤0.01% |
14,300
+4,300
| +43% | +$401K |
|
2300
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.9B
| $1.41M | ﹤0.01% |
17,500
-37,000
| -68% | -$2.84M |
|
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.