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Jim Simons

Jim Simons Renaissance Technologies

AUM $72.6B
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
+16.99%
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
$75.2B
AUM Growth
+$9.1B
Cap. Flow
+$1.81B
Cap. Flow %
2.4%
Top 10 Hldgs %
12.06%
Holding
4,018
New
612
Increased
1,577
Reduced
1,314
Closed
496

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$798M
2
NFLX icon
Netflix
NFLX
+$608M
3
UNH icon
UnitedHealth
UNH
+$517M
4
AAPL icon
Apple
AAPL
+$461M
5
GEV icon
GE Vernova
GEV
+$296M

Sector Composition

Rank Sector Weight
1 Technology 19.57%
2 Healthcare 15.8%
3 Consumer Discretionary 12.38%
4 Financials 11.53%
5 Industrials 8.92%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
YARW
3476
Yarrow Bioscience, Inc. Common Stock
YARW
$114M
$17.4K ﹤0.01%
211
-2,092
-91% -$136K
TXMD icon
3477
TherapeuticsMD
TXMD
$24.1M
$17.3K ﹤0.01%
14,900
+1,400
+10% +$1.7K
RDZN icon
3478
Roadzen
RDZN
$117M
$17.2K ﹤0.01%
+17,600
New +$17.6K
ADVB
3479
Advanced Biomed Inc
ADVB
$14.2M
$17.2K ﹤0.01%
+1,230
New +$36.3K
CETX icon
3480
Cemtrex
CETX
$5.2M
$17.1K ﹤0.01%
+104
New +$20.4K
TSBX
3481
DELISTED
Turnstone Biologics
TSBX
$16.9K ﹤0.01%
47,100
+6,900
+17% +$2.42K
IGC icon
3482
IGC Pharma
IGC
$30.7M
$16.8K ﹤0.01%
+55,025
New +$16.5K
PAVS icon
3483
Paranovus Entertainment Technology
PAVS
$5.71M
0
DSY
3484
Big Tree Cloud Holdings
DSY
$20.2M
$16.4K ﹤0.01%
+565
New +$15.6K
LVLU icon
3485
Lulu's Fashion Lounge
LVLU
$44.3M
$16.2K ﹤0.01%
3,600
+400
+13% +$2.51K
VNRX icon
3486
VolitionRx Ltd
VNRX
$7.6M
$15.6K ﹤0.01%
+1,025
New +$11.3K
SOPA
3487
DELISTED
Society Pass
SOPA
$15.6K ﹤0.01%
11,277
-75,880
-87% -$84.5K
XCH
3488
XCHG Ltd
XCH
$23.6M
$15.1K ﹤0.01%
11,300
-5,700
-34% -$7.45K
AQB icon
3489
AquaBounty Technologies
AQB
$7.72M
$15K ﹤0.01%
20,320
-14,400
-41% -$10.7K
ENFY
3490
DELISTED
Enlightify Inc
ENFY
$15K ﹤0.01%
13,651
+100
+0.7% +$105
NXPL icon
3491
NextPlat
NXPL
$22M
$14.1K ﹤0.01%
1,900
+440
+30% +$2.77K
MYND
3492
Mynd.ai
MYND
$18.1M
$14.1K ﹤0.01%
15,844
SPRC icon
3493
SciSparc
SPRC
$3.83M
$13.5K ﹤0.01%
+230
New +$13.2K
WCT
3494
Wellchange Holdings
WCT
$4.35M
$13.3K ﹤0.01%
+1,462
New +$18.6K
INTJ
3495
Intelligent Group
INTJ
$5.04M
$13.2K ﹤0.01%
+635
New +$8.25K
LGL.WS
3496
DELISTED
LGL Group Inc Warrants
LGL.WS
$12.7K ﹤0.01%
21,923
-6,900
-24% -$2.31K
NXTS
3497
Nexentis Technologies
NXTS
$2.83M
$12.5K ﹤0.01%
222
-1,984
-90% -$133K
CLPS icon
3498
CLPS Inc
CLPS
$26.1M
$12.1K ﹤0.01%
13,032
-12,700
-49% -$12.6K
TPIC
3499
DELISTED
TPI Composites
TPIC
$12K ﹤0.01%
+13,986
New +$14.2K
ZTEK
3500
Zentek
ZTEK
$80.3M
$12K ﹤0.01%
+11,000
New +$15.3K

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Jim Simons's Q2 2025 Portfolio in Review

As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.

Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.

By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
  • Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
  • Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
  • Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
  • Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
  • Jim Simons opened 612 new positions and closed 496 in Q2 2025.
  • Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.

Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.