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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
776
Albertsons Companies
ACI
$6.02B
| $18M | 0.02% |
1,027,080
+262,845
| +34% | +$5.15M |
|
777
SandRidge Energy
SD
$516M
| $18M | 0.02% |
1,593,735
+10,923
| +0.7% | +$121K |
|
778
dLocal
DLO
$4.34B
| $18M | 0.02% |
1,258,900
+732,900
| +139% | +$9.32M |
|
779
Waterstone Financial
WSBF
$385M
| $18M | 0.02% |
1,151,636
+16,700
| +1% | +$239K |
|
780
Globe Life
GL
$14B
| $17.9M | 0.02% |
+125,200
| New | +$17M |
|
781
Nomura Holdings
NMR
$29.2B
| $17.9M | 0.02% |
2,457,837
+246,500
| +11% | +$1.73M |
|
782
Ardmore Shipping
ASC
$707M
| $17.8M | 0.02% |
1,503,657
-26,871
| -2% | -$301K |
|
|
HDSN
783
Hudson Technologies
HDSN
$239M
| $17.8M | 0.02% |
1,796,850
+125,000
| +7% | +$1.17M |
|
784
Shoals Technologies Group
SHLS
$1.37B
| $17.8M | 0.02% |
2,402,500
+448,100
| +23% | +$2.76M |
|
785
Knight Transportation
KNX
$11.9B
| $17.8M | 0.02% |
+450,227
| New | +$19.5M |
|
786
Graphic Packaging
GPK
$3.51B
| $17.8M | 0.02% |
908,518
+666,600
| +276% | +$14.5M |
|
787
Life Time Group Holdings
LTH
$9.9B
| $17.7M | 0.02% |
641,400
-3,300
| -0.5% | -$94.1K |
|
788
Louisiana-Pacific
LPX
$5.18B
| $17.7M | 0.02% |
198,700
+16,100
| +9% | +$1.49M |
|
|
CVSA
789
Covista Inc
CVSA
$4.49B
| $17.6M | 0.02% |
113,900
-65,500
| -37% | -$8.39M |
|
790
State Street SPDR Portfolio High Yield Bond ETF
SPHY
$12.1B
| $17.6M | 0.02% |
734,100
-234,700
| -24% | -$5.57M |
|
791
iShares California Muni Bond ETF
CMF
$4.63B
| $17.6M | 0.02% |
307,900
+156,600
| +104% | +$8.76M |
|
792
Frontline
FRO
$9.02B
| $17.6M | 0.02% |
770,300
-142,600
| -16% | -$2.89M |
|
793
Alliant Energy
LNT
$18.2B
| $17.6M | 0.02% |
260,400
+98,579
| +61% | +$6.36M |
|
794
Cullen/Frost Bankers
CFR
$10.5B
| $17.5M | 0.02% |
138,400
+72,000
| +108% | +$9.36M |
|
795
Adient
ADNT
$1.54B
| $17.5M | 0.02% |
727,800
+320,200
| +79% | +$7.48M |
|
796
Republic Services
RSG
$65.9B
| $17.5M | 0.02% |
76,361
+7,961
| +12% | +$1.87M |
|
797
Woodward
WWD
$21.2B
| $17.5M | 0.02% |
+69,284
| New | +$17.2M |
|
798
CEMIG Preferred Shares
CIG
$5.58B
| $17.5M | 0.02% |
8,274,649
+928,300
| +13% | +$1.82M |
|
799
Eastman Chemical
EMN
$8.43B
| $17.4M | 0.02% |
276,440
-122,100
| -31% | -$8.52M |
|
800
British American Tobacco
BTI
$124B
| $17.4M | 0.02% |
327,099
-743,400
| -69% | -$40.4M |
|
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Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.