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 | |
|---|---|---|---|---|---|---|
2901
Genasys
GNSS
$82.4M
| $441K | ﹤0.01% |
255,036
+47,400
| +23% | +$87.5K |
|
2902
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.38B
| $440K | ﹤0.01% |
+2,600
| New | +$384K |
|
2903
Insperity
NSP
$1.99B
| $439K | ﹤0.01% |
7,300
-39,800
| -85% | -$2.78M |
|
2904
Braskem
BAK
$841M
| $438K | ﹤0.01% |
133,600
-171,500
| -56% | -$622K |
|
2905
State Street Energy Select Sector SPDR ETF
XLE
$40.5B
| $438K | ﹤0.01% |
10,322
-229,000
| -96% | -$9.54M |
|
2906
Xencor
XNCR
$1.68B
| $437K | ﹤0.01% |
55,600
-96,800
| -64% | -$869K |
|
2907
Good Times Restaurants
GTIM
$17M
| $436K | ﹤0.01% |
246,983
-8,546
| -3% | -$15.5K |
|
2908
Polestar Automotive Holding UK
PSNY
$1.99B
| $434K | ﹤0.01% |
+13,520
| New | +$429K |
|
2909
4D Molecular Therapeutics
FDMT
$612M
| $432K | ﹤0.01% |
116,553
+97,000
| +496% | +$341K |
|
2910
Aldeyra Therapeutics
ALDX
$88.7M
| $432K | ﹤0.01% |
112,800
-3,800
| -3% | -$9.82K |
|
2911
Direxion NASDAQ-100 Equal Weighted Index ETF
QQQE
$1.44B
| $430K | ﹤0.01% |
+4,376
| New | +$397K |
|
2912
St. Joe Company
JOE
$3.9B
| $429K | ﹤0.01% |
9,000
-4,061
| -31% | -$182K |
|
2913
Lexeo Therapeutics
LXEO
$396M
| $427K | ﹤0.01% |
106,200
+85,900
| +423% | +$282K |
|
2914
Nortech Systems
NSYS
$34.3M
| $427K | ﹤0.01% |
47,799
-4,300
| -8% | -$37.4K |
|
2915
DocGo
DCGO
$64.5M
| $426K | ﹤0.01% |
271,528
-75,507
| -22% | -$141K |
|
2916
Rocky Mountain Chocolate Factory
RMCF
$13.2M
| $426K | ﹤0.01% |
302,147
-8,876
| -3% | -$11.2K |
|
2917
Identive
INVE
$63.4M
| $426K | ﹤0.01% |
130,682
+20,282
| +18% | +$65.1K |
|
2918
CVD Equipment Corp
CVV
$52.4M
| $425K | ﹤0.01% |
142,682
+3,600
| +3% | +$10.6K |
|
2919
Valmont Industries
VMI
$9.57B
| $425K | ﹤0.01% |
1,300
-25,800
| -95% | -$7.91M |
|
2920
Hamilton Beach Brands
HBB
$452M
| $424K | ﹤0.01% |
23,700
-700
| -3% | -$12.4K |
|
2921
NCS Multistage Holdings
NCSM
$134M
| $424K | ﹤0.01% |
14,344
+2,500
| +21% | +$76.5K |
|
2922
AN2 Therapeutics
ANTX
$228M
| $423K | ﹤0.01% |
398,854
+30,146
| +8% | +$35.9K |
|
2923
SB Financial Group
SBFG
$171M
| $423K | ﹤0.01% |
+22,133
| New | +$419K |
|
|
CLPR
2924
Clipper Realty
CLPR
$53.6M
| $422K | ﹤0.01% |
115,057
+18,700
| +19% | +$71.5K |
|
|
AOMR
2925
Angel Oak Mortgage REIT
AOMR
$208M
| $421K | ﹤0.01% |
44,700
-44,500
| -50% | -$404K |
|
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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.