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Eric Mandelblatt

Eric Mandelblatt Soroban Capital Partners

AUM $47.8B Turnover 16.67%
1-Year Est. Return 11.8%
 

Eric Mandelblatt is the founder of Soroban Capital Partners, a fundamental long/short equity firm. Soroban is known for research-intensive positions and a flexible approach across sectors. Mandelblatt’s public portfolio is followed among large fundamental hedge fund managers.

This Fund
S&P 500
This Quarter Est. Return
+8.36%
1 Year Est. Return
+11.8%
3 Year Est. Return
+67.01%
5 Year Est. Return
+109.29%
10 Year Est. Return
+430.8%
AUM
$47.8B
AUM Growth
-$3.99B
Cap. Flow
-$730M
Cap. Flow %
-1.53%
Top 10 Hldgs %
89.5%
Holding
30
New
–
Increased
12
Reduced
6
Closed
5
Avg Time Held Equity + Options
2.3 years
Top 10 Avg Time Held Equity + Options
1.7 years
Top 20 Avg Time Held Equity + Options
1.7 years
Avg Time Held Equity only
2.5 years
Top 10 Avg Time Held Equity only
1.8 years
Top 20 Avg Time Held Equity only
1.9 years

Top Buys

Rank Stock Value
1
V icon
Visa
V
+$105M
2
TSM icon
TSMC
TSM
+$98.7M
3
ETR icon
Entergy
ETR
+$67.7M
4
DPZ icon
Domino's
DPZ
+$53.6M
5
TDG icon
TransDigm Group
TDG
+$51.6M

Top Sells

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$315M
2
WDC icon
Western Digital
WDC
+$310M
3
STX icon
Seagate
STX
+$209M
4
MSFT icon
Microsoft
MSFT
+$177M
5
REXR icon
Rexford Industrial Realty
REXR
+$119M

Sector Composition

Rank Sector Weight
1 Miscellaneous 70.39%
2 Financials 6.54%
3 Consumer Discretionary 5.19%
4 Industrials 5.17%
5 Technology 5.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
MSFT icon
1
CALL
Microsoft
MSFT
$3.93T
$22.4B 46.82%
60,000,000
– –
2026 Q1
1 quarter
META icon
2
CALL
Meta Platforms (Facebook)
META
$1.81T
$11.3B 23.57%
20,000,000
– –
2026 Q1
1 quarter
AMZN icon
3
Amazon
AMZN
$2.7T
$1.7B 3.55%
7,111,703
-1,255,771
-15% -$315M
2025 Q1
5 quarters
MA icon
4
Mastercard
MA
$541B
$1.29B 2.7%
2,512,516
+48,017
+2% +$23.9M
2023 Q1
13 quarters
TDG icon
5
TransDigm Group
TDG
$63B
$1.2B 2.5%
898,197
+42,000
+5% +$51.6M
2025 Q2
4 quarters
MSFT icon
6
Microsoft
MSFT
$3.93T
$1.17B 2.46%
3,147,241
-437,450
-12% -$177M
2020 Q1
25 quarters
V icon
7
Visa
V
$756B
$1.13B 2.36%
3,289,580
+328,340
+11% +$105M
2021 Q1
21 quarters
TSM icon
8
TSMC
TSM
$2.14T
$1.04B 2.17%
2,174,760
+243,230
+13% +$98.7M
2024 Q3
7 quarters
META icon
9
Meta Platforms (Facebook)
META
$1.81T
$826M 1.73%
1,466,943
+66,860
+5% +$40.9M
2025 Q2
4 quarters
DPZ icon
10
Domino's
DPZ
$10.2B
$787M 1.65%
2,658,202
+163,008
+7% +$53.6M
2026 Q1
1 quarter
GOOG icon
11
Alphabet (Google) Class C
GOOG
$4.12T
$753M 1.58%
2,131,498
– –
2017 Q2
36 quarters
SPGI icon
12
S&P Global
SPGI
$127B
$705M 1.48%
1,731,643
+43,000
+3% +$18.2M
2025 Q4
2 quarters
EFX icon
13
Equifax
EFX
$18.9B
$700M 1.46%
4,410,883
+226,314
+5% +$38.6M
2025 Q4
2 quarters
FERG icon
14
Ferguson
FERG
$44.8B
$576M 1.21%
2,428,771
+30,404
+1% +$7.34M
2025 Q1
5 quarters
PNW icon
15
Pinnacle West Capital
PNW
$12.5B
$415M 0.87%
3,874,977
+20,162
+0.5% +$2.06M
2025 Q4
2 quarters
DTE icon
16
DTE Energy
DTE
$27B
$293M 0.61%
1,922,873
-115,600
-6% -$16.9M
2023 Q4
10 quarters
ETR icon
17
Entergy
ETR
$50.2B
$267M 0.56%
2,324,097
+600,793
+35% +$67.7M
2024 Q1
9 quarters
NXPI icon
18
NXP Semiconductors
NXPI
$57.8B
$243M 0.51%
863,266
– –
2026 Q1
1 quarter
GOOGL icon
19
Alphabet (Google) Class A
GOOGL
$4.17T
$214M 0.45%
599,870
+68,000
+13% +$24.5M
2019 Q1
29 quarters
NI icon
20
NiSource
NI
$20.5B
$214M 0.45%
4,493,353
– –
2023 Q4
10 quarters
SO icon
21
Southern Company
SO
$105B
$162M 0.34%
1,688,287
-687,224
-29% -$64.7M
2025 Q1
5 quarters
AEE icon
22
Ameren
AEE
$29.4B
$141M 0.3%
1,248,221
– –
2023 Q4
10 quarters
AEP icon
23
American Electric Power
AEP
$69.2B
$133M 0.28%
969,250
-162,273
-14% -$21.4M
2023 Q4
10 quarters
WEC icon
24
WEC Energy
WEC
$35.4B
$123M 0.26%
1,051,141
-147,007
-12% -$16.8M
2023 Q4
10 quarters
CMS icon
25
CMS Energy
CMS
$21.5B
$81M 0.17%
1,058,781
– –
2025 Q1
5 quarters
1
2

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Eric Mandelblatt's Q2 2026 Portfolio in Review

As of Q2 2026, Eric Mandelblatt held 30 positions worth $47.8B, down 7.7% from $51.8B the previous quarter. Its ten largest holdings account for 90% of the portfolio.

Eric Mandelblatt's Q2 2026 filing shows 12 increased, 6 reduced and 5 closed positions. The largest sale was Amazon, an estimated $315M.

By sector, the portfolio is most concentrated in Miscellaneous at 70% of assets, down from 73% a quarter earlier, followed by Financials and Consumer Discretionary.

  • Eric Mandelblatt added most to Visa in Q2 2026, an estimated $105M increase.
  • Eric Mandelblatt's biggest Q2 2026 reduction was Amazon, cutting an estimated $315M.
  • Eric Mandelblatt fully exited Western Digital in Q2 2026, selling an estimated $310M.
  • Eric Mandelblatt's ten largest holdings make up 90% of its $47.8B portfolio in Q2 2026.
  • Eric Mandelblatt opened 0 new positions and closed 5 in Q2 2026.
  • Eric Mandelblatt's portfolio value fell 7.7% quarter-over-quarter to $47.8B.

Based on Soroban Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.