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 | |
|---|---|---|---|---|---|---|
2001
Erasca
ERAS
$6.43B
| $2.21M | ﹤0.01% |
1,015,005
+272,505
| +37% | +$433K |
|
2002
OptimizeRx
OPRX
$164M
| $2.21M | ﹤0.01% |
107,900
+30,193
| +39% | +$479K |
|
|
SLDE
2003
Slide Insurance Holdings
SLDE
$2.56B
| $2.21M | ﹤0.01% |
+139,900
| New | +$2.29M |
|
2004
La-Z-Boy
LZB
$1.67B
| $2.21M | ﹤0.01% |
64,300
-101,700
| -61% | -$3.73M |
|
2005
Invesco S&P 500 Revenue ETF
RWL
$10B
| $2.2M | ﹤0.01% |
19,900
+10,700
| +116% | +$1.14M |
|
2006
Sonoco
SON
$5.76B
| $2.2M | ﹤0.01% |
51,100
-322,200
| -86% | -$14.9M |
|
2007
Putnam Focused Large Cap Value ETF
PVAL
$13.9B
| $2.2M | ﹤0.01% |
51,540
+28,040
| +119% | +$1.16M |
|
2008
First Northwest Bancorp
FNWB
$109M
| $2.2M | ﹤0.01% |
279,505
+481
| +0.2% | +$3.71K |
|
2009
United Fire Group
UFCS
$1.4B
| $2.2M | ﹤0.01% |
72,283
-36,600
| -34% | -$1.08M |
|
2010
iShares MSCI USA Min Vol Factor ETF
USMV
$24.5B
| $2.2M | ﹤0.01% |
+23,100
| New | +$2.16M |
|
|
CMDB
2011
Costamare Bulkers Holdings
CMDB
$442M
| $2.2M | ﹤0.01% |
152,846
+13,300
| +10% | +$136K |
|
2012
Wabash National
WNC
$512M
| $2.2M | ﹤0.01% |
222,500
+108,000
| +94% | +$1.15M |
|
2013
Security National Financial
SNFCA
$242M
| $2.2M | ﹤0.01% |
265,951
-18,340
| -6% | -$155K |
|
|
ADAM
2014
Adamas Trust
ADAM
$910M
| $2.2M | ﹤0.01% |
315,010
+177,760
| +130% | +$1.24M |
|
2015
Insteel Industries
IIIN
$631M
| $2.19M | ﹤0.01% |
57,200
-15,640
| -21% | -$591K |
|
2016
Clearfield
CLFD
$391M
| $2.19M | ﹤0.01% |
63,574
+12,374
| +24% | +$461K |
|
|
GHLD
2017
DELISTED
Guild Holdings
GHLD
| $2.18M | ﹤0.01% |
109,300
+78,300
| +253% | +$1.56M |
|
|
DMC
2018
Del Monte Corp
DMC
$1.43B
| $2.18M | ﹤0.01% |
62,723
-102,277
| -62% | -$3.62M |
|
2019
Vanguard Extended Market ETF
VXF
$32.3B
| $2.18M | ﹤0.01% |
+10,400
| New | +$2.1M |
|
|
SY
2020
So-Young International
SY
$225M
| $2.18M | ﹤0.01% |
562,528
-700
| -0.1% | -$2.98K |
|
|
COE
2021
51Talk Online Education Group
COE
$118M
| $2.18M | ﹤0.01% |
49,175
-400
| -0.8% | -$14.4K |
|
2022
Parke Bancorp
PKBK
$413M
| $2.18M | ﹤0.01% |
100,947
+800
| +0.8% | +$17.4K |
|
2023
SiTime
SITM
$21.4B
| $2.17M | ﹤0.01% |
+7,200
| New | +$1.67M |
|
2024
SmartRent
SMRT
$286M
| $2.17M | ﹤0.01% |
1,538,012
-465,288
| -23% | -$597K |
|
2025
CGI
GIB
$15.2B
| $2.17M | ﹤0.01% |
+24,300
| New | +$2.35M |
|
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.