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 | |
|---|---|---|---|---|---|---|
2326
Kelly Services Class A
KELYA
$553M
| $1.38M | ﹤0.01% |
117,908
+52,400
| +80% | +$618K |
|
|
SEVN
2327
Seven Hills Realty Trust
SEVN
$176M
| $1.38M | ﹤0.01% |
114,234
+800
| +0.7% | +$9.4K |
|
2328
Paymentus
PAY
$5.21B
| $1.38M | ﹤0.01% |
42,100
-125,500
| -75% | -$4.2M |
|
2329
Minerals Technologies
MTX
$2.24B
| $1.38M | ﹤0.01% |
25,000
-200
| -0.8% | -$11.3K |
|
2330
Greene County Bancorp
GCBC
$595M
| $1.37M | ﹤0.01% |
61,800
+7,100
| +13% | +$157K |
|
|
SMA
2331
SmartStop Self Storage REIT
SMA
$1.9B
| $1.37M | ﹤0.01% |
+37,900
| New | +$1.34M |
|
2332
Tredegar Corp
TG
$276M
| $1.37M | ﹤0.01% |
155,900
+21,400
| +16% | +$173K |
|
|
OGI
2333
Organigram Holdings
OGI
$173M
| $1.37M | ﹤0.01% |
1,016,148
+11,400
| +1% | +$13.9K |
|
2334
STAG Industrial
STAG
$7.12B
| $1.37M | ﹤0.01% |
37,800
-18,200
| -33% | -$629K |
|
|
REFI
2335
Chicago Atlantic Real Estate Finance
REFI
$262M
| $1.37M | ﹤0.01% |
98,200
+15,000
| +18% | +$215K |
|
2336
iShares S&P 100 ETF
OEF
$20.5B
| $1.37M | ﹤0.01% |
+4,500
| New | +$1.25M |
|
2337
SPS Commerce
SPSC
$2.82B
| $1.37M | ﹤0.01% |
10,060
-7,000
| -41% | -$970K |
|
2338
First Trust SMID Cap Rising Dividend Achievers ETF
SDVY
$11.8B
| $1.37M | ﹤0.01% |
+38,700
| New | +$1.3M |
|
2339
Rogers Communications
RCI
$19.6B
| $1.37M | ﹤0.01% |
46,030
-48,200
| -51% | -$1.26M |
|
2340
PagSeguro Digital
PAGS
$2.42B
| $1.36M | ﹤0.01% |
+141,176
| New | +$1.27M |
|
2341
Hyster-Yale Materials Handling
HY
$617M
| $1.36M | ﹤0.01% |
34,100
+3,100
| +10% | +$124K |
|
2342
Tennant Co
TNC
$1.18B
| $1.35M | ﹤0.01% |
17,401
-8,099
| -32% | -$598K |
|
2343
iShares Russell Mid-Cap Growth ETF
IWP
$21.1B
| $1.35M | ﹤0.01% |
+9,700
| New | +$1.23M |
|
2344
PACS Group
PACS
$7.12B
| $1.34M | ﹤0.01% |
+103,900
| New | +$1.08M |
|
2345
Omega Healthcare
OHI
$13.9B
| $1.34M | ﹤0.01% |
36,478
-407,800
| -92% | -$15.1M |
|
2346
Champions Oncology
CSBR
$70.6M
| $1.33M | ﹤0.01% |
181,039
+29,000
| +19% | +$205K |
|
|
CRGX
2347
DELISTED
CARGO Therapeutics
CRGX
| $1.33M | ﹤0.01% |
+323,400
| New | +$1.39M |
|
|
ICAD
2348
DELISTED
iCAD Inc
ICAD
| $1.33M | ﹤0.01% |
349,690
-306,300
| -47% | -$1.02M |
|
|
YRD
2349
Yiren Digital
YRD
$104M
| $1.33M | ﹤0.01% |
226,965
-3,100
| -1% | -$19.5K |
|
2350
DLH Holdings
DLHC
$67.7M
| $1.33M | ﹤0.01% |
228,064
-34,304
| -13% | -$155K |
|
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.