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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
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.
This Fund
S&P 500
This Quarter Est. Return
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.08B |
| 2 |
NVIDIA
NVDA
|
+$938M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$639M |
| 4 |
Netflix
NFLX
|
+$598M |
| 5 |
Amazon
AMZN
|
+$575M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.46B |
| 2 |
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.58% |
| 2 | Healthcare | 14.83% |
| 3 | Consumer Discretionary | 11.24% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.91% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
2526
New Pacific Metals
NEWP
$1.2B
| $613K | ﹤0.01% |
152,372
-208,236
| -58% | -$1.02M |
2026 Q1
1 quarter
|
|
2527
PayPay
PAYP
$10.4B
| $612K | ﹤0.01% |
+42,700
| New | +$786K |
2026 Q2
0 quarters
|
|
2528
Soluna Holdings
SLNH
$137M
| $611K | ﹤0.01% |
452,600
-382,677
| -46% | -$554K |
2025 Q4
2 quarters
|
|
2529
Harvard Bioscience
HBIO
$38.6M
| $611K | ﹤0.01% |
99,327
-2,100
| -2% | -$12.6K |
2013 Q2
52 quarters
|
|
2530
Laird Superfood
LSF
$33.4M
| $609K | ﹤0.01% |
129,600
-3,300
| -2% | -$11K |
2022 Q1
17 quarters
|
|
2531
U.S. Targeted Value Portfolio ETF Class Shares
DFAT
$14.1B
| $608K | ﹤0.01% |
8,705
-9,195
| -51% | -$614K |
2026 Q1
1 quarter
|
|
2532
Kalaris Therapeutics
KLRS
$48.1M
| $608K | ﹤0.01% |
149,351
+83,200
| +126% | +$432K |
2022 Q1
17 quarters
|
|
2533
Vor Biopharma
VOR
$1.12B
| $608K | ﹤0.01% |
33,011
-95,828
| -74% | -$1.45M |
2026 Q1
1 quarter
|
|
2534
Avantis US Equity ETF
AVUS
$14.8B
| $602K | ﹤0.01% |
4,700
+2,200
| +88% | +$271K |
2022 Q2
16 quarters
|
|
2535
MAIA Biotechnology
MAIA
$70.4M
| $599K | ﹤0.01% |
+415,700
| New | +$552K |
2026 Q2
0 quarters
|
|
2536
AGI Inc
AGBK
$1.17B
| $597K | ﹤0.01% |
+84,318
| New | +$600K |
2026 Q2
0 quarters
|
|
2537
CEL-SCI Corp
CVM
$28.5M
| $595K | ﹤0.01% |
572,460
+536,570
| +1,495% | +$1.18M |
2025 Q4
2 quarters
|
|
2538
Team
TISI
$112M
| $595K | ﹤0.01% |
34,451
+3,000
| +10% | +$50K |
2024 Q2
8 quarters
|
|
2539
Reservoir Media
RSVR
$628M
| $595K | ﹤0.01% |
+60,123
| New | +$607K |
2026 Q2
0 quarters
|
|
2540
Avantis US Large Cap Value ETF
AVLV
$22.1B
| $593K | ﹤0.01% |
6,500
-23,300
| -78% | -$2.05M |
2023 Q4
10 quarters
|
|
2541
PolyPid
PYPD
$103M
| $592K | ﹤0.01% |
116,619
+98,023
| +527% | +$452K |
2026 Q1
1 quarter
|
|
2542
NET Power
NPWR
$91.1M
| $592K | ﹤0.01% |
354,206
-349,594
| -50% | -$633K |
2025 Q4
2 quarters
|
|
2543
Fury Gold Mines
FURY
$95.1M
| $587K | ﹤0.01% |
1,087,423
-124,879
| -10% | -$71.7K |
2020 Q2
24 quarters
|
|
2544
United Maritime
USEA
$23.3M
| $585K | ﹤0.01% |
222,572
-9,963
| -4% | -$23.4K |
2025 Q3
3 quarters
|
|
2545
Tarsus Pharmaceuticals
TARS
$3.3B
| $585K | ﹤0.01% |
9,300
-64,100
| -87% | -$4.1M |
2025 Q3
3 quarters
|
|
2546
Eve Holding
EVEX
$568M
| $583K | ﹤0.01% |
232,226
-111,997
| -33% | -$323K |
2026 Q1
1 quarter
|
|
2547
BuzzFeed
BZFD
$88.5M
| $580K | ﹤0.01% |
397,303
+52,949
| +15% | +$60.9K |
2024 Q1
9 quarters
|
|
2548
Capital Bancorp
CBNK
$657M
| $579K | ﹤0.01% |
+16,500
| New | +$529K |
2026 Q2
0 quarters
|
|
2549
Context Therapeutics
CNTX
$21.3M
| $577K | ﹤0.01% |
1,041,399
+858,400
| +469% | +$1.74M |
2022 Q3
15 quarters
|
|
2550
Farmers National Banc Corp
FMNB
$907M
| $574K | ﹤0.01% |
39,335
-15,814
| -29% | -$223K |
2014 Q4
46 quarters
|
|
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Jim Simons's Q2 2026 Portfolio in Review
As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.
By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
- Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
- Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
- Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
- Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
- Jim Simons opened 548 new positions and closed 621 in Q2 2026.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.