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 | |
|---|---|---|---|---|---|---|
2701
Cimpress
CMPR
$2.35B
| $630K | ﹤0.01% |
+10,000
| New | +$560K |
|
2702
NCS Multistage Holdings
NCSM
$134M
| $630K | ﹤0.01% |
12,344
-2,000
| -14% | -$75.2K |
|
2703
Usio Inc
USIO
$71.5M
| $627K | ﹤0.01% |
441,241
+37,300
| +9% | +$58.9K |
|
2704
Heritage Global
HGBL
$36.8M
| $616K | ﹤0.01% |
371,332
+24,826
| +7% | +$49.7K |
|
2705
Invesco BulletShares 2026 Corporate Bond ETF
BSCQ
$3.57B
| $616K | ﹤0.01% |
31,486
-974,675
| -97% | -$19.1M |
|
2706
NeuroOne Medical Technologies
NMTC
$15.9M
| $615K | ﹤0.01% |
115,433
+37,283
| +48% | +$183K |
|
|
FURY
2707
Fury Gold Mines
FURY
$116M
| $614K | ﹤0.01% |
940,500
+453,881
| +93% | +$256K |
|
|
ARTY
2708
iShares Future AI & Tech ETF
ARTY
$4.05B
| $613K | ﹤0.01% |
+13,400
| New | +$576K |
|
2709
ProShares Ultra Dow30
DDM
$542M
| $611K | ﹤0.01% |
+11,400
| New | +$580K |
|
2710
Upland Software
UPLD
$17.6M
| $611K | ﹤0.01% |
25,771
-5,060
| -16% | -$115K |
|
2711
Xerox
XRX
$411M
| $609K | ﹤0.01% |
+162,100
| New | +$716K |
|
2712
Team
TISI
$102M
| $609K | ﹤0.01% |
36,751
+856
| +2% | +$15.4K |
|
2713
Digimarc Corp
DMRC
$153M
| $608K | ﹤0.01% |
62,200
-18,400
| -23% | -$198K |
|
2714
Direxion Daily AAPL Bear 1X ETF
AAPD
$62.4M
| $608K | ﹤0.01% |
43,400
-20,000
| -32% | -$320K |
|
|
ALMS
2715
Alumis Inc
ALMS
$3.06B
| $605K | ﹤0.01% |
151,568
-75,247
| -33% | -$310K |
|
2716
Aura Biosciences
AURA
$784M
| $603K | ﹤0.01% |
97,608
-33,940
| -26% | -$222K |
|
2717
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.39B
| $601K | ﹤0.01% |
3,400
+800
| +31% | +$139K |
|
2718
Live Ventures
LIVE
$33.1M
| $597K | ﹤0.01% |
32,499
+2,800
| +9% | +$47.4K |
|
2719
ProShares UltraShort Russell2000
TWM
$40.6M
| $596K | ﹤0.01% |
+17,600
| New | +$675K |
|
|
TTSH
2720
DELISTED
Tile Shop Holdings
TTSH
| $594K | ﹤0.01% |
98,225
-900
| -0.9% | -$5.77K |
|
|
TSMX
2721
Direxion Daily TSM Bull 2X ETF
TSMX
$671M
| $593K | ﹤0.01% |
+12,600
| New | +$467K |
|
|
CBNA
2722
Chain Bridge Bancorp
CBNA
$309M
| $589K | ﹤0.01% |
+18,000
| New | +$514K |
|
2723
iShares US Equity Factor ETF
LRGF
$3.74B
| $587K | ﹤0.01% |
+8,500
| New | +$565K |
|
2724
First Mid Bancshares
FMBH
$1.39B
| $587K | ﹤0.01% |
15,500
-5,200
| -25% | -$203K |
|
2725
Booking.com
BKNG
$161B
| $587K | ﹤0.01% |
+2,700
| New | +$603K |
|
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.