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 | |
|---|---|---|---|---|---|---|
2701
Direxion Daily NVDA Bear 1X ETF
NVDD
$19.4M
| $658K | ﹤0.01% |
+14,130
| New | +$859K |
|
2702
Global X Artificial Intelligence & Technology ETF
AIQ
$10.4B
| $655K | ﹤0.01% |
15,000
-6,200
| -29% | -$241K |
|
2703
National Bankshares
NKSH
$270M
| $655K | ﹤0.01% |
24,070
+1,100
| +5% | +$28.6K |
|
2704
iShare MSCI Eurozone ETF
EZU
$9.95B
| $654K | ﹤0.01% |
11,000
-27,900
| -72% | -$1.58M |
|
2705
Team
TISI
$101M
| $653K | ﹤0.01% |
35,895
+15,744
| +78% | +$318K |
|
2706
Sutro Biopharma
STRO
$339M
| $652K | ﹤0.01% |
91,320
+4,420
| +5% | +$36.1K |
|
2707
Pulmonx
LUNG
$100M
| $651K | ﹤0.01% |
251,310
+86,010
| +52% | +$339K |
|
2708
iShares MSCI Italy ETF
EWI
$1.08B
| $650K | ﹤0.01% |
13,500
-71,300
| -84% | -$3.22M |
|
2709
Inseego
INSG
$78.7M
| $648K | ﹤0.01% |
78,641
-2,129
| -3% | -$16.6K |
|
2710
Geospace Technologies
GEOS
$70.8M
| $645K | ﹤0.01% |
45,200
+600
| +1% | +$4.48K |
|
2711
Biglari Holdings Class A
BH.A
$1.2B
| $644K | ﹤0.01% |
460
+130
| +39% | +$155K |
|
2712
Mine Safety
MSA
$7.28B
| $637K | ﹤0.01% |
3,800
-46,000
| -92% | -$7.2M |
|
2713
PIMCO Active Bond Exchange-Traded Fund
BOND
$8.47B
| $636K | ﹤0.01% |
6,900
-1,400
| -17% | -$127K |
|
2714
iShares Currency Hedged MSCI EAFE ETF
HEFA
$7.78B
| $634K | ﹤0.01% |
16,700
-218,800
| -93% | -$8M |
|
2715
Global X SuperDividend ETF
SDIV
$1.21B
| $632K | ﹤0.01% |
+28,045
| New | +$589K |
|
2716
Hillman Solutions
HLMN
$1.68B
| $632K | ﹤0.01% |
88,500
-464,281
| -84% | -$3.48M |
|
2717
SunPower Inc
SPWR
$45.9M
| $631K | ﹤0.01% |
+342,712
| New | +$592K |
|
|
TTSH
2718
DELISTED
Tile Shop Holdings
TTSH
| $630K | ﹤0.01% |
99,125
-1,100
| -1% | -$6.62K |
|
2719
Paramount Gold Nevada
PZG
$130M
| $629K | ﹤0.01% |
1,026,400
+197,725
| +24% | +$96.9K |
|
2720
Prudential
PUK
$34.6B
| $628K | ﹤0.01% |
25,100
-32,600
| -56% | -$729K |
|
2721
Quince Therapeutics
QNCX
$34.7M
| $627K | ﹤0.01% |
1,899
-601
| -24% | -$137K |
|
2722
Thomson Reuters
TRI
$44.7B
| $624K | ﹤0.01% |
3,052
-29,832
| -91% | -$5.68M |
|
2723
Eos Energy Enterprises
EOSE
$1.46B
| $622K | ﹤0.01% |
121,528
-877,603
| -88% | -$4.3M |
|
2724
Gaia
GAIA
$36.9M
| $622K | ﹤0.01% |
141,700
-30,900
| -18% | -$141K |
|
2725
Limoneira
LMNR
$251M
| $621K | ﹤0.01% |
+39,677
| New | +$628K |
|
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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.