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 | |
|---|---|---|---|---|---|---|
801
NewMarket
NEU
$8.59B
| $16.4M | 0.02% |
23,700
+20,200
| +577% | +$12.5M |
|
802
Banco Santander Chile
BSAC
$16B
| $16.3M | 0.02% |
647,727
-212,800
| -25% | -$5.13M |
|
803
Federated Hermes
FHI
$4.7B
| $16.3M | 0.02% |
367,700
+283,900
| +339% | +$11.7M |
|
804
Vanda Pharmaceuticals
VNDA
$314M
| $16.3M | 0.02% |
3,447,460
-118,965
| -3% | -$520K |
|
805
Quanex
NX
$1B
| $16.3M | 0.02% |
860,807
-116,300
| -12% | -$2.06M |
|
806
Sonoco
SON
$5.74B
| $16.3M | 0.02% |
373,300
+14,400
| +4% | +$644K |
|
807
Invesco S&P 500 Equal Weight ETF
RSP
$99.5B
| $16.2M | 0.02% |
+89,400
| New | +$15.4M |
|
808
IQVIA
IQV
$39.8B
| $16.2M | 0.02% |
103,047
-154,800
| -60% | -$23.3M |
|
809
Graham Corp
GHM
$1.33B
| $16.1M | 0.02% |
325,068
-2,600
| -0.8% | -$96.4K |
|
810
Progyny
PGNY
$1.95B
| $16M | 0.02% |
+727,800
| New | +$16M |
|
811
Atmus Filtration Technologies
ATMU
$4.06B
| $16M | 0.02% |
438,900
+23,800
| +6% | +$849K |
|
812
Merit Medical Systems
MMSI
$5.45B
| $16M | 0.02% |
170,912
+4,300
| +3% | +$407K |
|
813
LSI Industries
LYTS
$890M
| $15.9M | 0.02% |
935,692
+10,500
| +1% | +$169K |
|
814
Symbotic
SYM
$5.35B
| $15.9M | 0.02% |
+409,500
| New | +$10.7M |
|
815
Applied Digital
APLD
$8.97B
| $15.9M | 0.02% |
+1,578,000
| New | +$11.6M |
|
816
iShares Broad USD High Yield Corporate Bond ETF
USHY
$29.1B
| $15.8M | 0.02% |
+421,457
| New | +$15.5M |
|
817
Church & Dwight Co
CHD
$24B
| $15.8M | 0.02% |
164,110
+100,900
| +160% | +$9.95M |
|
818
ScottsMiracle-Gro
SMG
$3.62B
| $15.7M | 0.02% |
+238,600
| New | +$13.8M |
|
819
Louisiana-Pacific
LPX
$5.15B
| $15.7M | 0.02% |
182,600
+60,700
| +50% | +$5.39M |
|
820
Brookfield Asset Management
BAM
$87.1B
| $15.7M | 0.02% |
284,000
-93,200
| -25% | -$5M |
|
821
Waterstone Financial
WSBF
$378M
| $15.7M | 0.02% |
1,134,936
-21,100
| -2% | -$270K |
|
822
Wyndham Hotels & Resorts
WH
$5.49B
| $15.6M | 0.02% |
192,500
+103,500
| +116% | +$8.66M |
|
823
Phibro Animal Health
PAHC
$1.37B
| $15.6M | 0.02% |
610,800
-94,500
| -13% | -$2.06M |
|
824
Robert Half
RHI
$4.25B
| $15.6M | 0.02% |
+379,000
| New | +$17.3M |
|
825
iShares Preferred and Income Securities ETF
PFF
$13.3B
| $15.5M | 0.02% |
506,800
+463,200
| +1,062% | +$13.9M |
|
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.