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 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2076
VanEck JP Morgan EM Local Currency Bond ETF
EMLC
$4.79B
| $1.42M | ﹤0.01% |
+55,051
| New | +$1.41M |
|
2077
AXT Inc
AXTI
$5.07B
| $1.42M | ﹤0.01% |
86,700
+35,300
| +69% | +$341K |
|
2078
Resources Connection
RGP
$145M
| $1.42M | ﹤0.01% |
281,200
+50,000
| +22% | +$238K |
|
|
ZONE
2079
CleanCore Solutions
ZONE
$35.7M
| $1.41M | ﹤0.01% |
+5,438,986
| New | +$4.55M |
|
2080
Zevia
ZVIA
$101M
| $1.41M | ﹤0.01% |
608,826
+222,000
| +57% | +$551K |
|
2081
Dakota Gold
DC
$827M
| $1.41M | ﹤0.01% |
248,600
-674,387
| -73% | -$3.24M |
|
2082
Standard Motor Products
SMP
$870M
| $1.41M | ﹤0.01% |
+38,303
| New | +$1.47M |
|
|
SCHV
2083
Schwab US Large-Cap Value ETF
SCHV
$16.3B
| $1.41M | ﹤0.01% |
47,600
-101,200
| -68% | -$2.96M |
|
2084
Capital Group Global Growth Equity ETF
CGGO
$12.1B
| $1.4M | ﹤0.01% |
+40,400
| New | +$1.4M |
|
2085
United Bankshares
UBSI
$6.68B
| $1.4M | ﹤0.01% |
36,403
-286,630
| -89% | -$10.7M |
|
2086
Grid Dynamics Holdings
GDYN
$644M
| $1.4M | ﹤0.01% |
154,600
-78,326
| -34% | -$678K |
|
2087
Energy Recovery
ERII
$399M
| $1.39M | ﹤0.01% |
102,985
+47,385
| +85% | +$718K |
|
2088
Quantum Computing Inc
QUBT
$2.02B
| $1.39M | ﹤0.01% |
+135,223
| New | +$1.92M |
|
2089
Data I/O
DAIO
$33.1M
| $1.39M | ﹤0.01% |
437,637
-39,197
| -8% | -$118K |
|
2090
OP Bancorp
OPBK
$235M
| $1.39M | ﹤0.01% |
98,200
+3,000
| +3% | +$41K |
|
2091
Janus Henderson Mortgage-Backed Securities ETF
JMBS
$6.77B
| $1.38M | ﹤0.01% |
30,263
-74,437
| -71% | -$3.41M |
|
|
BRSP
2092
BrightSpire Capital
BRSP
$629M
| $1.38M | ﹤0.01% |
246,900
-12,400
| -5% | -$68.2K |
|
2093
Worthington Enterprises
WOR
$2.85B
| $1.38M | ﹤0.01% |
26,800
-159,400
| -86% | -$8.8M |
|
2094
Eagle Bancorp Montana
EBMT
$189M
| $1.38M | ﹤0.01% |
69,410
-5,500
| -7% | -$95.7K |
|
2095
Virco
VIRC
$97.2M
| $1.38M | ﹤0.01% |
215,811
-10,200
| -5% | -$70.9K |
|
2096
Arteris
AIP
$1.36B
| $1.37M | ﹤0.01% |
88,700
-95,100
| -52% | -$1.38M |
|
2097
Ero Copper
ERO
$3.58B
| $1.37M | ﹤0.01% |
+48,476
| New | +$1.13M |
|
|
KW
2098
DELISTED
Kennedy-Wilson Holdings
KW
| $1.37M | ﹤0.01% |
141,200
-249,000
| -64% | -$2.23M |
|
2099
Grindr
GRND
$2.74B
| $1.36M | ﹤0.01% |
100,736
-628,329
| -86% | -$8.54M |
|
2100
Lindblad Expeditions
LIND
$2.26B
| $1.36M | ﹤0.01% |
94,485
-85,858
| -48% | -$1.08M |
|
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Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.