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 | |
|---|---|---|---|---|---|---|
1276
Sonic Automotive
SAH
$2.53B
| $7.18M | 0.01% |
94,300
+7,000
| +8% | +$558K |
|
1277
Tenable Holdings
TENB
$4.24B
| $7.15M | 0.01% |
245,200
+231,400
| +1,677% | +$7.23M |
|
1278
NACCO Industries
NC
$312M
| $7.15M | 0.01% |
169,518
-3,400
| -2% | -$135K |
|
1279
ICL Group
ICL
$7.19B
| $7.12M | 0.01% |
1,145,476
-41,400
| -3% | -$266K |
|
1280
Thomson Reuters
TRI
$45B
| $7.11M | 0.01% |
45,088
+42,036
| +1,377% | +$7.84M |
|
1281
AvalonBay Communities
AVB
$26.4B
| $7.11M | 0.01% |
36,814
-80,763
| -69% | -$15.7M |
|
1282
Schwab US Dividend Equity ETF
SCHD
$108B
| $7.11M | 0.01% |
+260,474
| New | +$7.11M |
|
1283
Donegal Group Class A
DGICA
$694M
| $7.09M | 0.01% |
365,411
-13,900
| -4% | -$254K |
|
1284
Paysign
PAYS
$738M
| $7.09M | 0.01% |
1,126,422
-87,474
| -7% | -$559K |
|
1285
Future Fuel
FF
$247M
| $7.08M | 0.01% |
1,824,500
-252,600
| -12% | -$997K |
|
1286
Sana Biotechnology
SANA
$1.02B
| $7.07M | 0.01% |
1,992,500
+1,788,788
| +878% | +$6.47M |
|
1287
Federal Agricultural Mortgage
AGM
$2.48B
| $7.07M | 0.01% |
42,100
-7,234
| -15% | -$1.35M |
|
1288
Kingstone Companies
KINS
$284M
| $7.07M | 0.01% |
480,889
-49,400
| -9% | -$724K |
|
1289
The Greenbrier Companies
GBX
$1.42B
| $7.06M | 0.01% |
153,000
-52,600
| -26% | -$2.51M |
|
1290
Arrow Financial
AROW
$728M
| $7.05M | 0.01% |
249,288
-12,517
| -5% | -$352K |
|
1291
Eton Pharmaceutcials
ETON
$1.57B
| $7.05M | 0.01% |
324,621
-81,279
| -20% | -$1.35M |
|
|
CVGW
1292
DELISTED
Calavo Growers
CVGW
| $7.05M | 0.01% |
273,920
-55,554
| -17% | -$1.5M |
|
1293
Cars.com
CARS
$654M
| $7M | 0.01% |
573,100
-204,434
| -26% | -$2.62M |
|
1294
Capital City Bank Group
CCBG
$896M
| $6.97M | 0.01% |
166,671
-13,100
| -7% | -$545K |
|
1295
Axalta
AXTA
$7.98B
| $6.96M | 0.01% |
243,100
-371,300
| -60% | -$11.2M |
|
1296
Silicon Laboratories
SLAB
$7.29B
| $6.94M | 0.01% |
+52,898
| New | +$7.2M |
|
1297
Saic
SAIC
$5.34B
| $6.93M | 0.01% |
69,750
+31,100
| +80% | +$3.48M |
|
1298
Cadre Holdings
CDRE
$1.45B
| $6.93M | 0.01% |
189,700
-78,100
| -29% | -$2.52M |
|
1299
Heritage Financial
HFWA
$1.23B
| $6.91M | 0.01% |
285,830
-35,704
| -11% | -$865K |
|
1300
Leggett & Platt
LEG
$1.33B
| $6.91M | 0.01% |
778,300
+423,000
| +119% | +$4.03M |
|
Similar funds
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.