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 | |
|---|---|---|---|---|---|---|
2251
TScan Therapeutics
TCRX
$52.8M
| $1.51M | ﹤0.01% |
829,919
+37,863
| +5% | +$67.1K |
|
2252
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.93B
| $1.5M | ﹤0.01% |
25,400
+21,000
| +477% | +$1.19M |
|
2253
Agilon Health
AGL
$1.63B
| $1.5M | ﹤0.01% |
58,384
+24,384
| +72% | +$921K |
|
2254
Community Health Systems
CYH
$423M
| $1.5M | ﹤0.01% |
467,793
-861,600
| -65% | -$2.59M |
|
|
API
2255
Agora
API
$392M
| $1.5M | ﹤0.01% |
393,000
-6,100
| -2% | -$23K |
|
|
EWCZ
2256
DELISTED
European Wax Center
EWCZ
| $1.5M | ﹤0.01% |
375,900
+171,400
| +84% | +$782K |
|
2257
Certara
CERT
$1.22B
| $1.5M | ﹤0.01% |
122,620
-174,180
| -59% | -$1.91M |
|
2258
VistaGen Therapeutics
VTGN
$11.9M
| $1.5M | ﹤0.01% |
422,012
+381,512
| +942% | +$1.14M |
|
2259
ECB Bancorp
ECBK
$181M
| $1.5M | ﹤0.01% |
94,400
+11,273
| +14% | +$183K |
|
2260
Pliant Therapeutics
PLRX
$66.3M
| $1.5M | ﹤0.01% |
1,011,802
+811,854
| +406% | +$1.24M |
|
2261
Third Coast Bancshares
TCBX
$768M
| $1.5M | ﹤0.01% |
39,400
-30,339
| -44% | -$1.15M |
|
2262
Werner Enterprises
WERN
$2.33B
| $1.49M | ﹤0.01% |
56,763
+9,000
| +19% | +$252K |
|
2263
Vista Energy
VIST
$7.57B
| $1.49M | ﹤0.01% |
43,400
-183,283
| -81% | -$7.58M |
|
2264
NEOS Nasdaq 100 High Income ETF
QQQI
$14.1B
| $1.49M | ﹤0.01% |
27,500
-141,500
| -84% | -$7.51M |
|
2265
iShares ESG Aware MSCI EM ETF
ESGE
$6.84B
| $1.49M | ﹤0.01% |
34,300
-36,900
| -52% | -$1.51M |
|
2266
KVH Industries
KVHI
$145M
| $1.48M | ﹤0.01% |
264,915
+40,900
| +18% | +$227K |
|
2267
Adicet Bio
ACET
$78.4M
| $1.48M | ﹤0.01% |
114,309
+42,195
| +59% | +$497K |
|
2268
U-Haul Holding Co Series N
UHAL.B
$12.7B
| $1.48M | ﹤0.01% |
29,100
-65,900
| -69% | -$3.51M |
|
2269
Ramaco Resources Class B
METCB
$432M
| $1.48M | ﹤0.01% |
91,494
+18,300
| +25% | +$253K |
|
2270
Global X SuperDividend ETF
SDIV
$1.21B
| $1.48M | ﹤0.01% |
61,700
+33,655
| +120% | +$793K |
|
2271
Sypris Solutions
SYPR
$47.4M
| $1.48M | ﹤0.01% |
692,652
-6,169
| -0.9% | -$12.6K |
|
2272
abrdn Physical Silver Shares ETF
SIVR
$4.49B
| $1.47M | ﹤0.01% |
33,100
-69,500
| -68% | -$2.62M |
|
2273
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.36B
| $1.47M | ﹤0.01% |
59,000
-37,702
| -39% | -$922K |
|
|
CWAN
2274
DELISTED
Clearwater Analytics
CWAN
| $1.47M | ﹤0.01% |
81,499
+66,600
| +447% | +$1.35M |
|
|
TECX
2275
Tectonic Therapeutic
TECX
$682M
| $1.47M | ﹤0.01% |
93,400
+6,413
| +7% | +$132K |
|
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.