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 | |
|---|---|---|---|---|---|---|
|
EEX
2501
DELISTED
Emerald Holding
EEX
| $956K | ﹤0.01% |
187,757
-400
| -0.2% | -$2.02K |
|
|
WSR
2502
DELISTED
Whitestone REIT
WSR
| $955K | ﹤0.01% |
77,800
-134,384
| -63% | -$1.69M |
|
2503
Granite Construction
GVA
$5.56B
| $954K | ﹤0.01% |
8,700
-11,500
| -57% | -$1.18M |
|
|
LOAN
2504
Manhattan Bridge Capital
LOAN
$47.4M
| $954K | ﹤0.01% |
173,828
+18,000
| +12% | +$97.9K |
|
2505
Eltek
ELTK
$57.9M
| $953K | ﹤0.01% |
87,023
+900
| +1% | +$9.29K |
|
|
TTAM
2506
Titan America SA
TTAM
$2.92B
| $950K | ﹤0.01% |
63,600
+31,900
| +101% | +$471K |
|
2507
iShares MSCI EAFE Min Vol Factor ETF
EFAV
$5.48B
| $950K | ﹤0.01% |
11,200
-77,100
| -87% | -$6.51M |
|
|
STRR
2508
Star Equity Holdings
STRR
$35.1M
| $945K | ﹤0.01% |
85,026
+12,804
| +18% | +$121K |
|
2509
Orchestra BioMed
OBIO
$264M
| $944K | ﹤0.01% |
380,508
+211,108
| +125% | +$582K |
|
2510
MDxHealth
MDXH
$47M
| $943K | ﹤0.01% |
202,800
+57,527
| +40% | +$177K |
|
2511
V2X
VVX
$2.6B
| $941K | ﹤0.01% |
16,200
-43,200
| -73% | -$2.31M |
|
|
AD
2512
Array Digital Infrastructure
AD
$3.11B
| $940K | ﹤0.01% |
18,797
-37,500
| -67% | -$2.33M |
|
2513
Capital Group Growth ETF
CGGR
$25.1B
| $940K | ﹤0.01% |
21,400
-44,100
| -67% | -$1.86M |
|
2514
Avantis Emerging Markets Equity ETF
AVEM
$26.9B
| $939K | ﹤0.01% |
12,500
-22,500
| -64% | -$1.61M |
|
|
TXNM
2515
TXNM Energy Inc
TXNM
$5.91B
| $939K | ﹤0.01% |
16,600
-227,684
| -93% | -$12.9M |
|
2516
CarParts.com
PRTS
$48.3M
| $936K | ﹤0.01% |
131,680
+12,480
| +10% | +$102K |
|
2517
iShares MSCI EAFE Growth ETF
EFG
$17.3B
| $934K | ﹤0.01% |
8,200
-18,800
| -70% | -$2.1M |
|
|
FBCG
2518
Fidelity Blue Chip Growth ETF
FBCG
$7.31B
| $934K | ﹤0.01% |
+17,400
| New | +$886K |
|
2519
ProShares UltraShort Dow 30
DXD
$42.8M
| $933K | ﹤0.01% |
+42,400
| New | +$991K |
|
2520
Gray Television
GTN
$537M
| $932K | ﹤0.01% |
161,200
+116,000
| +257% | +$630K |
|
2521
Savara
SVRA
$1.1B
| $929K | ﹤0.01% |
+260,100
| New | +$769K |
|
|
AIFC
2522
AI Financial Corp
AIFC
$55.9M
| $926K | ﹤0.01% |
344,300
+298,400
| +650% | +$1.79M |
|
|
AUNA
2523
Auna
AUNA
$394M
| $924K | ﹤0.01% |
137,500
+66,000
| +92% | +$418K |
|
2524
Miller Industries
MLR
$643M
| $922K | ﹤0.01% |
+22,800
| New | +$960K |
|
2525
Vanguard Global ex-US Real Estate ETF
VNQI
$3.51B
| $921K | ﹤0.01% |
+19,300
| New | +$904K |
|
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.