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 | |
|---|---|---|---|---|---|---|
2201
Rimini Street
RMNI
$466M
| $1.63M | ﹤0.01% |
349,004
+8,859
| +3% | +$39.3K |
|
2202
Greif Class B
GEF.B
$4.2B
| $1.63M | ﹤0.01% |
26,500
-200
| -0.7% | -$13.5K |
|
2203
Lennar Class B
LEN.B
$20.6B
| $1.63M | ﹤0.01% |
13,600
-8,252
| -38% | -$978K |
|
2204
Stoneridge
SRI
$205M
| $1.63M | ﹤0.01% |
214,100
-1,200
| -0.6% | -$9.51K |
|
2205
Riverview Bancorp
RVSB
$106M
| $1.63M | ﹤0.01% |
303,207
-56,000
| -16% | -$291K |
|
2206
Minerals Technologies
MTX
$2.27B
| $1.63M | ﹤0.01% |
26,200
+1,200
| +5% | +$73.2K |
|
2207
Littelfuse
LFUS
$11.6B
| $1.62M | ﹤0.01% |
+6,263
| New | +$1.57M |
|
2208
Goldgroup Mining Inc.
GORO
$207M
| $1.62M | ﹤0.01% |
1,939,670
+585,277
| +43% | +$362K |
|
2209
Nelnet
NNI
$4.57B
| $1.62M | ﹤0.01% |
12,900
+2,100
| +19% | +$263K |
|
2210
Full House Resorts
FLL
$81.7M
| $1.62M | ﹤0.01% |
503,698
-38,900
| -7% | -$153K |
|
2211
Vanguard Intermediate-Term Bond ETF
BIV
$28.8B
| $1.62M | ﹤0.01% |
20,700
-57,800
| -74% | -$4.47M |
|
2212
Holley
HLLY
$377M
| $1.61M | ﹤0.01% |
512,920
+289,020
| +129% | +$861K |
|
2213
Tilly's
TLYS
$122M
| $1.61M | ﹤0.01% |
781,812
-6,000
| -0.8% | -$10.4K |
|
2214
Avantis US Equity ETF
AVUS
$14.5B
| $1.61M | ﹤0.01% |
14,800
+7,400
| +100% | +$776K |
|
2215
Cumberland Pharmaceuticals
CPIX
$117M
| $1.61M | ﹤0.01% |
515,465
+20,502
| +4% | +$68.1K |
|
2216
State Street SPDR Portfolio S&P 500 Value ETF
SPYV
$36.8B
| $1.59M | ﹤0.01% |
28,800
-36,800
| -56% | -$1.98M |
|
2217
Data I/O
DAIO
$32.4M
| $1.59M | ﹤0.01% |
476,834
+491
| +0.1% | +$1.59K |
|
2218
Fate Therapeutics
FATE
$300M
| $1.59M | ﹤0.01% |
1,262,515
+1,048,052
| +489% | +$1.13M |
|
2219
Aware
AWRE
$26.4M
| $1.59M | ﹤0.01% |
660,007
-19,066
| -3% | -$45K |
|
|
MFA
2220
MFA Financial
MFA
$926M
| $1.59M | ﹤0.01% |
172,725
-13,225
| -7% | -$128K |
|
|
NSA
2221
DELISTED
National Storage Affiliates Trust
NSA
| $1.59M | ﹤0.01% |
52,500
-199,500
| -79% | -$6.23M |
|
2222
TransDigm Group
TDG
$69.5B
| $1.58M | ﹤0.01% |
1,200
-49,300
| -98% | -$70.5M |
|
2223
Laird Superfood
LSF
$51.8M
| $1.58M | ﹤0.01% |
283,200
-17,300
| -6% | -$109K |
|
2224
Investar Holding Corp
ISTR
$426M
| $1.58M | ﹤0.01% |
67,975
-3,700
| -5% | -$83K |
|
2225
Fidelity MSCI Information Technology Index ETF
FTEC
$21.5B
| $1.58M | ﹤0.01% |
7,100
+1,300
| +22% | +$270K |
|
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.