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 | |
|---|---|---|---|---|---|---|
2626
Northern Technologies International Corp
NTIC
$76.5M
| $777K | ﹤0.01% |
104,877
+21,300
| +25% | +$163K |
|
2627
First Mid Bancshares
FMBH
$1.38B
| $776K | ﹤0.01% |
20,700
-10,900
| -34% | -$381K |
|
2628
LivePerson
LPSN
$35M
| $771K | ﹤0.01% |
50,900
+987
| +2% | +$11.7K |
|
2629
Heritage Global
HGBL
$38.2M
| $769K | ﹤0.01% |
346,506
+97,715
| +39% | +$205K |
|
2630
Reading International Class A
RDI
$36.6M
| $768K | ﹤0.01% |
573,290
-11,800
| -2% | -$15.7K |
|
2631
Mercer International
MERC
$31.5M
| $765K | ﹤0.01% |
218,611
-43,100
| -16% | -$178K |
|
2632
Pulmatrix
PULM
$5.7M
| $765K | ﹤0.01% |
110,820
+1,900
| +2% | +$13.1K |
|
2633
Montauk Renewables
MNTK
$265M
| $764K | ﹤0.01% |
344,213
+59,713
| +21% | +$126K |
|
2634
Plumas Bancorp
PLBC
$438M
| $760K | ﹤0.01% |
17,100
-300
| -2% | -$12.9K |
|
2635
Axcelis
ACLS
$4.29B
| $760K | ﹤0.01% |
10,899
-78,600
| -88% | -$4.48M |
|
2636
Vor Biopharma
VOR
$1.35B
| $758K | ﹤0.01% |
23,406
-11,666
| -33% | -$103K |
|
2637
Orion Energy Systems
OESX
$79M
| $757K | ﹤0.01% |
126,164
+419
| +0.3% | +$2.84K |
|
2638
Kenon Holdings
KEN
$3.46B
| $752K | ﹤0.01% |
18,100
-100
| -0.5% | -$3.35K |
|
2639
iShares MSCI Taiwan ETF
EWT
$11.5B
| $752K | ﹤0.01% |
+13,100
| New | +$670K |
|
2640
Sabre
SABR
$908M
| $748K | ﹤0.01% |
+236,749
| New | +$607K |
|
2641
Farmers National Banc Corp
FMNB
$964M
| $746K | ﹤0.01% |
54,128
-10,100
| -16% | -$132K |
|
2642
Avantis US Equity ETF
AVUS
$14.4B
| $746K | ﹤0.01% |
7,400
-8,500
| -53% | -$796K |
|
2643
WisdomTree Emerging Markets High Dividend Fund
DEM
$3.96B
| $746K | ﹤0.01% |
16,473
+2,435
| +17% | +$105K |
|
2644
iShares Core S&P 500 ETF
IVV
$908B
| $745K | ﹤0.01% |
+1,200
| New | +$689K |
|
|
OCFT
2645
DELISTED
OneConnect Financial Technology
OCFT
| $742K | ﹤0.01% |
103,060
+24,500
| +31% | +$163K |
|
2646
First Trust Morningstar Dividend Leaders Index Fund
FDL
$8B
| $741K | ﹤0.01% |
17,700
-97,200
| -85% | -$4.01M |
|
|
LGCY
2647
Legacy Education Inc
LGCY
$135M
| $740K | ﹤0.01% |
66,200
-6,640
| -9% | -$54.4K |
|
|
YMAB
2648
DELISTED
Y-mAbs Therapeutics
YMAB
| $740K | ﹤0.01% |
164,100
-92,606
| -36% | -$416K |
|
2649
A2Z Smart Technologies
AZ
$324M
| $739K | ﹤0.01% |
+69,900
| New | +$598K |
|
|
FRGE
2650
DELISTED
Forge Global Holdings
FRGE
| $738K | ﹤0.01% |
38,779
+19,379
| +100% | +$266K |
|
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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.