Eric Mandelblatt Soroban Capital Partners
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$600M |
| 2 |
Meta Platforms (Facebook)
META
|
+$355M |
| 3 |
American Electric Power
AEP
|
+$266M |
| 4 |
CDW
CDW
|
+$252M |
| 5 |
Southern Company
SO
|
+$168M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alphabet (Google) Class A
GOOGL
|
+$108M |
| 2 |
Microsoft
MSFT
|
+$88.3M |
| 3 |
Brookfield
BN
|
+$87.9M |
| 4 |
CoStar Group
CSGP
|
+$83.3M |
| 5 |
WEC Energy
WEC
|
+$58.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 29.53% |
| 2 | Utilities | 18.73% |
| 3 | Financials | 15.04% |
| 4 | Communication Services | 12.48% |
| 5 | Industrials | 10.56% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
Microsoft
MSFT
$3.59T
| $1.94B | 18.97% |
3,908,541
-203,300
| -5% | -$88.3M |
|
|
2
Amazon
AMZN
$2.79T
| $1.05B | 10.28% |
4,801,898
+3,031,598
| +171% | +$600M |
|
3
Ferguson
FERG
$46.9B
| $807M | 7.87% |
3,705,056
+100,559
| +3% | +$18.5M |
|
|
4
Alphabet (Google) Class C
GOOG
$4.18T
| $634M | 6.19% |
3,575,580
| – | – |
|
5
Mastercard
MA
$509B
| $583M | 5.69% |
1,037,173
+114,957
| +12% | +$63.6M |
|
6
Visa
V
$693B
| $493M | 4.81% |
1,389,004
-103,988
| -7% | -$36.2M |
|
|
7
Brookfield
BN
$93.1B
| $466M | 4.55% |
11,301,801
-2,372,756
| -17% | -$87.9M |
|
|
8
Meta Platforms (Facebook)
META
$1.4T
| $424M | 4.13% |
+574,085
| New | +$355M |
|
9
TSMC
TSM
$2.17T
| $418M | 4.07% |
1,844,234
+343,978
| +23% | +$63.7M |
|
|
10
American Electric Power
AEP
$65.8B
| $416M | 4.05% |
4,004,686
+2,555,415
| +176% | +$266M |
|
|
11
Southern Company
SO
$102B
| $376M | 3.67% |
4,097,422
+1,867,912
| +84% | +$168M |
|
12
Rexford Industrial Realty
REXR
$8.3B
| $327M | 3.19% |
9,191,038
+3,344,677
| +57% | +$117M |
|
13
Entergy
ETR
$48.8B
| $274M | 2.67% |
3,291,080
+493,399
| +18% | +$40.7M |
|
|
14
CDW
CDW
$17.2B
| $265M | 2.58% |
+1,482,087
| New | +$252M |
|
15
CSX Corp
CSX
$95.6B
| $252M | 2.46% |
7,732,942
+815,371
| +12% | +$24.5M |
|
|
16
Alphabet (Google) Class A
GOOGL
$4.22T
| $222M | 2.16% |
1,257,370
-658,000
| -34% | -$108M |
|
17
Seagate
STX
$193B
| $205M | 2% |
1,417,600
+1,327,197
| +1,468% | +$137M |
|
18
Western Digital
WDC
$166B
| $196M | 1.91% |
3,061,134
+2,910,062
| +1,926% | +$139M |
|
19
NiSource
NI
$19.5B
| $179M | 1.74% |
4,434,245
+1,516,296
| +52% | +$59.5M |
|
20
FirstEnergy
FE
$26.6B
| $148M | 1.44% |
3,666,066
-569,882
| -13% | -$23.5M |
|
21
Ameren
AEE
$29.4B
| $132M | 1.29% |
1,378,981
+250,467
| +22% | +$24.3M |
|
22
DTE Energy
DTE
$28.1B
| $122M | 1.19% |
917,751
-279,337
| -23% | -$37.6M |
|
23
CMS Energy
CMS
$21.4B
| $99.4M | 0.97% |
1,435,170
+980,733
| +216% | +$69.9M |
|
24
Duke Energy
DUK
$93.4B
| $67.3M | 0.66% |
570,458
+84,781
| +17% | +$10M |
|
25
CenterPoint Energy
CNP
$25.5B
| $42.5M | 0.41% |
1,156,380
-282,725
| -20% | -$10.5M |
|
Similar funds
Eric Mandelblatt's Q2 2025 Portfolio in Review
As of Q2 2025, Eric Mandelblatt held 30 positions worth $10.3B, up 45% from $7.09B the previous quarter. Its ten largest holdings account for 71% of the portfolio.
Eric Mandelblatt deployed $1.87B of net new capital in Q2 2025, opening 3 new positions and adding to 15 existing holdings. Its largest new stake was Meta Platforms (Facebook): 574,085 shares worth $424M.
By sector, the portfolio is most concentrated in Technology at 30% of assets, up from 25% a quarter earlier, followed by Utilities and Financials.
On the sell side, the largest reduction was Alphabet (Google) Class A, an estimated $108M trimmed.
- Eric Mandelblatt's largest Q2 2025 buy was Meta Platforms (Facebook): 574,085 shares worth $424M.
- Eric Mandelblatt added most to Amazon in Q2 2025, an estimated $600M increase.
- Eric Mandelblatt's biggest Q2 2025 reduction was Alphabet (Google) Class A, cutting an estimated $108M.
- Eric Mandelblatt fully exited CoStar Group in Q2 2025, selling an estimated $83.3M.
- Eric Mandelblatt's ten largest holdings make up 71% of its $10.3B portfolio in Q2 2025.
- Eric Mandelblatt opened 3 new positions and closed 1 in Q2 2025.
- Eric Mandelblatt's portfolio value rose 45% quarter-over-quarter to $10.3B.
Based on Soroban Capital Partners's 13F filing for Q2 2025, filed 14 Aug 2025.