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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 | |
|---|---|---|---|---|---|---|---|
951
MacroGenics
MGNX
$225M
| $12.2M | 0.02% |
2,632,750
-330,809
| -11% | -$1.25M |
2022 Q1
17 quarters
|
|
952
EquipmentShare.com Inc
EQPT
$3.85B
| $12.2M | 0.02% |
+618,500
| New | +$13.2M |
2026 Q2
0 quarters
|
|
953
Utah Medical Products
UTMD
$238M
| $12.1M | 0.02% |
175,814
-8,300
| -5% | -$552K |
2013 Q2
52 quarters
|
|
954
Broadstone Net Lease
BNL
$3.38B
| $12.1M | 0.02% |
586,100
+524,200
| +847% | +$10.6M |
2025 Q4
2 quarters
|
|
955
Backblaze
BLZE
$564M
| $12.1M | 0.02% |
762,608
-410,049
| -35% | -$2.84M |
2022 Q1
17 quarters
|
|
956
Vera Therapeutics
VERA
$2.18B
| $12M | 0.02% |
279,528
-177,772
| -39% | -$6.62M |
2025 Q4
2 quarters
|
|
957
One Liberty Properties
OLP
$483M
| $12M | 0.02% |
489,478
-25,273
| -5% | -$591K |
2013 Q2
52 quarters
|
|
958
Bumble
BMBL
$785M
| $11.9M | 0.02% |
3,732,500
-481,387
| -11% | -$1.65M |
2022 Q1
17 quarters
|
|
959
G-III Apparel Group
GIII
$1.23B
| $11.8M | 0.02% |
+351,403
| New | +$11.1M |
2026 Q2
0 quarters
|
|
960
Asana
ASAN
$2.48B
| $11.8M | 0.02% |
1,689,539
+1,595,600
| +1,699% | +$10.7M |
2025 Q4
2 quarters
|
|
961
PAMT Corp
PAMT
$232M
| $11.8M | 0.02% |
844,041
-28,700
| -3% | -$334K |
2013 Q2
52 quarters
|
|
962
Dole
DOLE
$1.24B
| $11.8M | 0.02% |
860,793
+107,019
| +14% | +$1.56M |
2021 Q4
18 quarters
|
|
963
Fidelity National Financial
FNF
$10.8B
| $11.8M | 0.02% |
250,109
+73,700
| +42% | +$3.57M |
2025 Q4
2 quarters
|
|
964
Spok Holdings
SPOK
$219M
| $11.8M | 0.02% |
1,148,579
-113,000
| -9% | -$1.23M |
2013 Q2
52 quarters
|
|
965
Raymond James Financial
RJF
$29.9B
| $11.8M | 0.02% |
+77,337
| New | +$11.7M |
2026 Q2
0 quarters
|
|
966
Methanex
MEOH
$4.9B
| $11.7M | 0.02% |
253,576
+86,698
| +52% | +$5.11M |
2018 Q1
33 quarters
|
|
967
American Express
AXP
$216B
| $11.7M | 0.02% |
34,580
-516,300
| -94% | -$165M |
2026 Q1
1 quarter
|
|
968
DXP Enterprises
DXPE
$2.68B
| $11.7M | 0.02% |
69,209
+24,100
| +53% | +$3.8M |
2023 Q1
13 quarters
|
|
969
Allegion
ALLE
$13.2B
| $11.6M | 0.02% |
82,906
-26,194
| -24% | -$3.56M |
2024 Q2
8 quarters
|
|
970
China Yuchai International
CYD
$954M
| $11.6M | 0.02% |
245,003
-98,600
| -29% | -$4.7M |
2015 Q3
43 quarters
|
|
971
Weis Markets
WMK
$1.85B
| $11.6M | 0.02% |
148,136
-28,300
| -16% | -$2.08M |
2013 Q2
52 quarters
|
|
972
BillionToOne Inc
BLLN
$4.91B
| $11.6M | 0.02% |
96,600
+45,346
| +88% | +$4.14M |
2026 Q1
1 quarter
|
|
973
Calumet Specialty Products
CLMT
$4.89B
| $11.6M | 0.02% |
321,700
-70,100
| -18% | -$2.36M |
2026 Q1
1 quarter
|
|
974
Camden National
CAC
$959M
| $11.6M | 0.02% |
213,649
-42,745
| -17% | -$2.14M |
2013 Q2
52 quarters
|
|
975
Vanguard Total World Stock ETF
VT
$81.9B
| $11.6M | 0.02% |
73,700
+59,200
| +408% | +$9.03M |
2026 Q1
1 quarter
|
|
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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.