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 | |
|---|---|---|---|---|---|---|
2326
Contango Silver & Gold Inc
CTGO
$677M
| $1.35M | ﹤0.01% |
+54,000
| New | +$1.15M |
|
|
YRD
2327
Yiren Digital
YRD
$104M
| $1.34M | ﹤0.01% |
226,665
-300
| -0.1% | -$1.79K |
|
2328
Atossa Therapeutics
ATOS
$25.9M
| $1.34M | ﹤0.01% |
103,244
-17,573
| -15% | -$217K |
|
2329
Karat Packaging
KRT
$955M
| $1.34M | ﹤0.01% |
53,215
+2,600
| +5% | +$68.4K |
|
2330
Greif
GEF
$4.97B
| $1.34M | ﹤0.01% |
22,400
+17,900
| +398% | +$1.16M |
|
2331
Tredegar Corp
TG
$276M
| $1.34M | ﹤0.01% |
166,600
+10,700
| +7% | +$88.2K |
|
2332
Cerus
CERS
$601M
| $1.33M | ﹤0.01% |
839,500
+74,000
| +10% | +$99.9K |
|
2333
CF Bankshares
CFBK
$234M
| $1.33M | ﹤0.01% |
55,679
+40,900
| +277% | +$994K |
|
|
FVR
2334
FrontView REIT
FVR
$483M
| $1.33M | ﹤0.01% |
97,200
+30,200
| +45% | +$387K |
|
2335
Neuropace
NPCE
$507M
| $1.33M | ﹤0.01% |
129,100
-17
| -0% | -$160 |
|
2336
OP Bancorp
OPBK
$233M
| $1.33M | ﹤0.01% |
95,200
-57,400
| -38% | -$793K |
|
2337
Porch Group
PRCH
$1.97B
| $1.32M | ﹤0.01% |
78,909
-961,311
| -92% | -$14.8M |
|
2338
Sanara MedTech
SMTI
$314M
| $1.32M | ﹤0.01% |
41,700
+4,300
| +11% | +$130K |
|
2339
Duos Technologies
DUOT
$286M
| $1.32M | ﹤0.01% |
+179,513
| New | +$1.28M |
|
|
PLTD
2340
Direxion Dailly PLTR Bear 1X ETF
PLTD
$32.7M
| $1.32M | ﹤0.01% |
+195,000
| New | +$1.53M |
|
2341
ARK Blockchain & Fintech Innovation ETF
ARKF
$771M
| $1.31M | ﹤0.01% |
+23,100
| New | +$1.24M |
|
|
GDEN
2342
DELISTED
Golden Entertainment
GDEN
| $1.31M | ﹤0.01% |
+55,450
| New | +$1.48M |
|
2343
Capital Group Core Plus Income ETF
CGCP
$8.51B
| $1.3M | ﹤0.01% |
57,400
+46,000
| +404% | +$1.04M |
|
2344
Expensify
EXFY
$210M
| $1.3M | ﹤0.01% |
703,850
-414,350
| -37% | -$839K |
|
|
MSTU
2345
T-Rex 2X Long MSTR Daily Target ETF
MSTU
$296M
| $1.3M | ﹤0.01% |
28,000
-10,590
| -27% | -$725K |
|
|
BLFY
2346
DELISTED
Blue Foundry Bancorp
BLFY
| $1.3M | ﹤0.01% |
142,900
+42,010
| +42% | +$386K |
|
2347
Eagle Bancorp Montana
EBMT
$187M
| $1.29M | ﹤0.01% |
74,910
-13,500
| -15% | -$230K |
|
|
SEMR
2348
DELISTED
Semrush
SEMR
| $1.29M | ﹤0.01% |
182,700
-269,600
| -60% | -$2.2M |
|
2349
Sight Sciences
SGHT
$448M
| $1.29M | ﹤0.01% |
375,800
-79,226
| -17% | -$295K |
|
|
FARM
2350
DELISTED
Farmer Brothers
FARM
| $1.29M | ﹤0.01% |
755,578
+29,178
| +4% | +$50.6K |
|
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.