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 | |
|---|---|---|---|---|---|---|
726
Glacier Bancorp
GBCI
$6.4B
| $19.7M | 0.03% |
457,592
+119,800
| +35% | +$4.97M |
|
727
Invesco BulletShares 2026 Corporate Bond ETF
BSCQ
$3.57B
| $19.6M | 0.03% |
1,006,161
-499,269
| -33% | -$9.73M |
|
728
CarGurus
CARG
$3.29B
| $19.6M | 0.03% |
586,327
+303,900
| +108% | +$9.16M |
|
729
Par Pacific Holdings
PARR
$3.9B
| $19.6M | 0.03% |
737,300
+87,800
| +14% | +$1.67M |
|
730
Life Time Group Holdings
LTH
$9.79B
| $19.6M | 0.03% |
644,700
-362,200
| -36% | -$10.7M |
|
731
National Presto Industries
NPK
$998M
| $19.5M | 0.03% |
199,200
-700
| -0.4% | -$61.2K |
|
732
Turning Point Brands
TPB
$1.73B
| $19.5M | 0.03% |
257,152
-33,400
| -11% | -$2.27M |
|
733
Kearny Financial
KRNY
$600M
| $19.4M | 0.03% |
2,996,505
+17,088
| +0.6% | +$105K |
|
734
Acuity Brands
AYI
$10.8B
| $19.3M | 0.03% |
64,600
+31,200
| +93% | +$8.08M |
|
735
Grupo Aeroportuario Centro Norte
OMAB
$5.28B
| $19.2M | 0.03% |
182,100
-400
| -0.2% | -$37.5K |
|
736
Hovnanian Enterprises
HOV
$793M
| $19.2M | 0.03% |
183,615
-1,400
| -0.8% | -$137K |
|
737
Ingredion
INGR
$6.54B
| $19.2M | 0.03% |
141,500
-132,900
| -48% | -$17.9M |
|
738
Floor & Decor
FND
$6.32B
| $19.1M | 0.03% |
251,700
+98,000
| +64% | +$7.28M |
|
|
ALE
739
DELISTED
Allete
ALE
| $19M | 0.03% |
297,199
+236,400
| +389% | +$15.4M |
|
|
AGS
740
DELISTED
PlayAGS
AGS
| $19M | 0.03% |
1,517,242
-238,700
| -14% | -$2.91M |
|
741
Univest Financial
UVSP
$1.18B
| $18.8M | 0.03% |
625,489
-18,780
| -3% | -$547K |
|
|
SNDK
742
Sandisk
SNDK
$196B
| $18.7M | 0.02% |
+413,100
| New | +$15.8M |
|
|
AVDX
743
DELISTED
AvidXchange
AVDX
| $18.7M | 0.02% |
1,910,400
+1,771,500
| +1,275% | +$16M |
|
744
Spok Holdings
SPOK
$230M
| $18.7M | 0.02% |
1,056,650
+37,200
| +4% | +$600K |
|
745
iShares Core International Aggregate Bond Fund
IAGG
$11.4B
| $18.7M | 0.02% |
365,600
+318,800
| +681% | +$16.2M |
|
746
Weis Markets
WMK
$1.78B
| $18.6M | 0.02% |
256,136
-2,500
| -1% | -$196K |
|
747
Myers Industries
MYE
$1.23B
| $18.6M | 0.02% |
1,280,797
-66,500
| -5% | -$810K |
|
748
Macerich
MAC
$6.99B
| $18.5M | 0.02% |
1,143,787
+44,087
| +4% | +$680K |
|
749
GeoPark
GPRK
$602M
| $18.5M | 0.02% |
2,837,160
-160,388
| -5% | -$1.1M |
|
750
Centene
CNC
$33.1B
| $18.4M | 0.02% |
+339,612
| New | +$19.9M |
|
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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.