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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
DDL
1951
Dingdong
DDL
$509M
| $2.59M | ﹤0.01% |
1,281,700
+227,077
| +22% | +$513K |
|
1952
Capital Group Municipal Income ETF
CGMU
$6.59B
| $2.59M | ﹤0.01% |
+96,919
| New | +$2.57M |
|
1953
Ollie's Bargain Outlet
OLLI
$4.73B
| $2.58M | ﹤0.01% |
19,600
-36,100
| -65% | -$4.13M |
|
1954
Mitek Systems
MITK
$838M
| $2.58M | ﹤0.01% |
260,600
-10,500
| -4% | -$94.3K |
|
1955
NB Bancorp
NBBK
$1B
| $2.57M | ﹤0.01% |
144,148
-58,052
| -29% | -$980K |
|
1956
SiriusPoint
SPNT
$2.66B
| $2.57M | ﹤0.01% |
126,100
-18,800
| -13% | -$346K |
|
|
PHLT
1957
DELISTED
Performant Healthcare Inc
PHLT
| $2.57M | ﹤0.01% |
641,263
-25,100
| -4% | -$71.2K |
|
1958
Capital Group Global Growth Equity ETF
CGGO
$12.1B
| $2.56M | ﹤0.01% |
+80,200
| New | +$2.37M |
|
1959
Vanguard Health Care ETF
VHT
$19B
| $2.56M | ﹤0.01% |
+10,300
| New | +$2.55M |
|
1960
Rackspace Technology
RXT
$1.1B
| $2.56M | ﹤0.01% |
1,998,286
-532,107
| -21% | -$693K |
|
1961
Entrada Therapeutics
TRDA
$299M
| $2.55M | ﹤0.01% |
379,500
+51,015
| +16% | +$410K |
|
1962
Solventum
SOLV
$14.5B
| $2.55M | ﹤0.01% |
33,600
+19,500
| +138% | +$1.38M |
|
1963
Peapack-Gladstone Financial
PGC
$822M
| $2.55M | ﹤0.01% |
90,113
+30,593
| +51% | +$840K |
|
1964
SLM Corp
SLM
$5.26B
| $2.54M | ﹤0.01% |
77,599
-128,401
| -62% | -$3.93M |
|
1965
Security National Financial
SNFCA
$242M
| $2.54M | ﹤0.01% |
284,291
+13,400
| +5% | +$120K |
|
1966
Amylyx Pharmaceuticals
AMLX
$2.6B
| $2.54M | ﹤0.01% |
396,200
-118,900
| -23% | -$578K |
|
|
SNT
1967
Senstar Technologies
SNT
$43.3M
| $2.53M | ﹤0.01% |
535,269
+500
| +0.1% | +$1.84K |
|
1968
Vanguard Russell 1000 Value ETF
VONV
$22B
| $2.53M | ﹤0.01% |
29,700
+24,300
| +450% | +$1.98M |
|
1969
Acco Brands
ACCO
$399M
| $2.53M | ﹤0.01% |
706,300
+80,900
| +13% | +$299K |
|
1970
Cullinan Oncology
CGEM
$1.26B
| $2.52M | ﹤0.01% |
334,525
-28,483
| -8% | -$229K |
|
1971
Hamilton Insurance Group
HG
$2.32B
| $2.52M | ﹤0.01% |
116,500
-308,116
| -73% | -$6.2M |
|
1972
Alpha Pro Tech
APT
$54.8M
| $2.51M | ﹤0.01% |
536,075
-3,484
| -0.6% | -$15.8K |
|
1973
iShares US Technology ETF
IYW
$25.7B
| $2.51M | ﹤0.01% |
+14,500
| New | +$2.2M |
|
|
CAN
1974
Canaan Creative
CAN
$159M
| $2.51M | ﹤0.01% |
4,057,001
+1,184,647
| +41% | +$833K |
|
1975
OneMain Financial
OMF
$7.44B
| $2.51M | ﹤0.01% |
44,000
-146,700
| -77% | -$7.32M |
|
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Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.