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 | |
|---|---|---|---|---|---|---|
2576
CarParts.com
PRTS
$48.3M
| $882K | ﹤0.01% |
119,200
+8,130
| +7% | +$69.5K |
|
2577
AMES National
ATLO
$280M
| $874K | ﹤0.01% |
49,084
+600
| +1% | +$10.4K |
|
|
FSP
2578
Franklin Street Properties
FSP
$47.7M
| $870K | ﹤0.01% |
530,583
+54,800
| +12% | +$91.3K |
|
2579
JPMorgan Active Growth ETF
JGRO
$10.1B
| $869K | ﹤0.01% |
10,100
-6,100
| -38% | -$474K |
|
|
TSE
2580
DELISTED
Trinseo
TSE
| $867K | ﹤0.01% |
278,000
+22,100
| +9% | +$72.8K |
|
2581
Viking Therapeutics
VKTX
$3.86B
| $867K | ﹤0.01% |
32,700
-295,000
| -90% | -$7.77M |
|
2582
Distribution Solutions Group
DSGR
$1.61B
| $866K | ﹤0.01% |
31,520
-29,080
| -48% | -$780K |
|
2583
Silicon Motion
SIMO
$9B
| $864K | ﹤0.01% |
11,500
-46,300
| -80% | -$2.63M |
|
2584
Better Online Solutions
BOSC
$32.2M
| $862K | ﹤0.01% |
177,642
-7,122
| -4% | -$29.2K |
|
|
WHWK
2585
Whitehawk Therapeutics
WHWK
$251M
| $857K | ﹤0.01% |
458,222
-3,900
| -0.8% | -$6.79K |
|
|
LOAN
2586
Manhattan Bridge Capital
LOAN
$47.2M
| $852K | ﹤0.01% |
155,828
+5,900
| +4% | +$30.7K |
|
2587
Energy Services of America
ESOA
$239M
| $852K | ﹤0.01% |
85,700
-10,700
| -11% | -$102K |
|
2588
Origin Bancorp
OBK
$1.68B
| $851K | ﹤0.01% |
23,800
+2,400
| +11% | +$79.5K |
|
|
SVA
2589
DELISTED
Sinovac Biotech, Ltd
SVA
| $849K | ﹤0.01% |
+1,312,520
| New | +$849K |
|
2590
Home BancShares
HOMB
$6.29B
| $846K | ﹤0.01% |
29,739
-47,700
| -62% | -$1.33M |
|
2591
Halliburton
HAL
$28.7B
| $846K | ﹤0.01% |
+41,500
| New | +$870K |
|
|
MRSN
2592
DELISTED
Mersana Therapeutics
MRSN
| $844K | ﹤0.01% |
114,008
+80,411
| +239% | +$707K |
|
2593
HEICO Corp Class A
HEI.A
$38.3B
| $843K | ﹤0.01% |
3,258
-11,000
| -77% | -$2.41M |
|
2594
Invesco S&P 500 High Beta ETF
SPHB
$955M
| $839K | ﹤0.01% |
8,600
-29,500
| -77% | -$2.49M |
|
2595
Fastly Inc
FSLY
$4.77B
| $838K | ﹤0.01% |
+118,741
| New | +$796K |
|
2596
Koppers
KOP
$887M
| $836K | ﹤0.01% |
26,000
-18,400
| -41% | -$528K |
|
2597
Candel Therapeutics
CADL
$859M
| $828K | ﹤0.01% |
+163,600
| New | +$842K |
|
2598
Goldgroup Mining Inc.
GORO
$209M
| $826K | ﹤0.01% |
1,354,393
-224,997
| -14% | -$122K |
|
|
GBIO
2599
DELISTED
Generation Bio
GBIO
| $826K | ﹤0.01% |
258,078
+70,011
| +37% | +$270K |
|
2600
iShares Russell Top 200 Value ETF
IWX
$4.04B
| $825K | ﹤0.01% |
+9,800
| New | +$789K |
|
Similar funds
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.