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 | |
|---|---|---|---|---|---|---|
|
BAI
1901
iShares A.I. Innovation and Tech Active ETF
BAI
$14.3B
| $1.88M | ﹤0.01% |
56,600
+24,200
| +75% | +$839K |
|
1902
Journey Medical
DERM
$183M
| $1.88M | ﹤0.01% |
244,000
-3,900
| -2% | -$30.6K |
|
1903
Ryan Specialty Holdings
RYAN
$11B
| $1.88M | ﹤0.01% |
+36,400
| New | +$2M |
|
1904
Cumberland Pharmaceuticals
CPIX
$119M
| $1.88M | ﹤0.01% |
472,163
-43,302
| -8% | -$128K |
|
1905
Capital Group Core Equity ETF
CGUS
$11.9B
| $1.88M | ﹤0.01% |
46,700
-32,100
| -41% | -$1.28M |
|
1906
Embotelladora Andina Series A
AKO.A
$3.76B
| $1.87M | ﹤0.01% |
80,200
-3,500
| -4% | -$75.2K |
|
1907
Stoneridge
SRI
$197M
| $1.87M | ﹤0.01% |
322,600
+108,500
| +51% | +$683K |
|
1908
H.B. Fuller
FUL
$3.24B
| $1.87M | ﹤0.01% |
31,400
-17,900
| -36% | -$1.05M |
|
1909
AmeriServ Financial
ASRV
$84.3M
| $1.86M | ﹤0.01% |
583,074
-5,000
| -0.9% | -$15.4K |
|
|
TRTX
1910
TPG RE Finance Trust
TRTX
$610M
| $1.86M | ﹤0.01% |
215,605
-44,294
| -17% | -$393K |
|
1911
Stock Yards Bancorp
SYBT
$2.64B
| $1.85M | ﹤0.01% |
+28,552
| New | +$1.92M |
|
|
ETHW
1912
Bitwise Ethereum ETF
ETHW
$197M
| $1.85M | ﹤0.01% |
+87,100
| New | +$2.16M |
|
1913
Ramaco Resources Class B
METCB
$416M
| $1.85M | ﹤0.01% |
161,809
+70,315
| +77% | +$962K |
|
1914
Bowman Consulting
BWMN
$732M
| $1.85M | ﹤0.01% |
56,000
-7,600
| -12% | -$288K |
|
1915
CEVA Inc
CEVA
$855M
| $1.85M | ﹤0.01% |
85,917
+73,217
| +577% | +$1.8M |
|
1916
Amtech Systems
ASYS
$280M
| $1.84M | ﹤0.01% |
146,596
+126,296
| +622% | +$1.14M |
|
1917
Yeti Holdings
YETI
$3.44B
| $1.84M | ﹤0.01% |
41,600
-117,600
| -74% | -$4.52M |
|
1918
JPMorgan Active Growth ETF
JGRO
$10.1B
| $1.84M | ﹤0.01% |
19,800
+8,200
| +71% | +$769K |
|
1919
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
SPTM
$14.1B
| $1.83M | ﹤0.01% |
22,200
-14,700
| -40% | -$1.2M |
|
1920
Concrete Pumping Holdings
BBCP
$479M
| $1.83M | ﹤0.01% |
272,500
-900
| -0.3% | -$5.92K |
|
1921
Middleby
MIDD
$5.38B
| $1.82M | ﹤0.01% |
12,270
-57,400
| -82% | -$7.54M |
|
|
FBRT
1922
Franklin BSP Realty Trust
FBRT
$669M
| $1.82M | ﹤0.01% |
181,019
-154,220
| -46% | -$1.61M |
|
|
ITIC
1923
Investors Title Co
ITIC
$530M
| $1.81M | ﹤0.01% |
7,267
-6,880
| -49% | -$1.81M |
|
1924
Aldeyra Therapeutics
ALDX
$91.7M
| $1.81M | ﹤0.01% |
350,000
+152,700
| +77% | +$784K |
|
1925
iShares US Medical Devices ETF
IHI
$3.48B
| $1.81M | ﹤0.01% |
29,100
+20,200
| +227% | +$1.25M |
|
Similar funds
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.