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Portman Square Capital Portfolio holdings

AUM $2.11B
1-Year Est. Return 19.71%
This Fund
S&P 500
This Quarter Est. Return
+3.33%
1 Year Est. Return
+19.71%
3 Year Est. Return
+20.03%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$2.26B
AUM Growth
-$1.16B
Cap. Flow
-$1.21B
Cap. Flow %
-53.59%
Top 10 Hldgs %
44.7%
Holding
186
New
14
Increased
22
Reduced
57
Closed
79

Top Buys

Rank Stock Value
1
PCG.PRX
PG&E Corp 6.000% Series A Preferred Stock
PCG.PRX
+$46.8M
2
ITRI icon
Itron
ITRI
+$3.84M
3
BL icon
BlackLine
BL
+$3.14M
4
TTEK icon
Tetra Tech
TTEK
+$3.14M
5
GPN icon
Global Payments
GPN
+$2.71M

Top Sells

Rank Stock Value
1
BA.PRA
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
+$36.1M
2
PODD icon
Insulet
PODD
+$13.1M
3
W icon
Wayfair
W
+$8.99M
4
ALNY icon
Alnylam Pharmaceuticals
ALNY
+$2.84M
5
LOW icon
Lowe's Companies
LOW
+$2.04M

Sector Composition

Rank Sector Weight
1 Technology 0.82%
2 Consumer Discretionary 0.41%
3 Industrials 0.33%
4 Healthcare 0.27%
5 Materials 0.07%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AEIS icon
26
PUT
Advanced Energy
AEIS
$13.2B
$26.2M 1.16%
153,700
+56,100
+57% +$8.45M
LYV icon
27
PUT
Live Nation Entertainment
LYV
$42.8B
$24M 1.06%
147,000
+27,000
+23% +$4.27M
STWD icon
28
PUT
Starwood Property Trust
STWD
$6.01B
$22.1M 0.98%
1,143,300
+786,900
+221% +$15.8M
ITRI icon
29
PUT
Itron
ITRI
$4.62B
$21.8M 0.97%
175,300
+27,000
+18% +$3.43M
ALB icon
30
PUT
Albemarle
ALB
$14B
$20.8M 0.92%
256,000
-324,000
-56% -$25M
FLR icon
31
PUT
Fluor
FLR
$7.2B
$19.5M 0.86%
462,400
-405,800
-47% -$18.7M
BL icon
32
PUT
BlackLine
BL
$1.79B
$18.6M 0.82%
350,700
+110,200
+46% +$5.95M
SPB icon
33
CALL
Spectrum Brands
SPB
$2.09B
$18.3M 0.81%
348,000
+153,000
+78% +$8.48M
TTEK icon
34
PUT
Tetra Tech
TTEK
$8.78B
$18.3M 0.81%
547,200
+97,200
+22% +$3.53M
WEC icon
35
PUT
WEC Energy
WEC
$35.3B
$16.2M 0.72%
141,400
-20,800
-13% -$2.25M
GLNG icon
36
PUT
Golar LNG
GLNG
$5.11B
$14.9M 0.66%
368,500
+38,500
+12% +$1.59M
FOUR.PRA
37
Shift4 Payments Inc 6.00% Series A Preferred Stock
FOUR.PRA
$662M
$14.8M 0.66%
155,000
– –
ON icon
38
PUT
ON Semiconductor
ON
$18.3B
$13.9M 0.62%
282,300
+185,100
+190% +$9.74M
ON icon
39
CALL
ON Semiconductor
ON
$18.3B
$12.3M 0.55%
250,000
-46,800
-16% -$2.46M
SYNA icon
40
PUT
Synaptics
SYNA
$3.91B
$11.7M 0.52%
170,900
-59,100
-26% -$4.02M
ENOV icon
41
CALL
Enovis
ENOV
$1.74B
$11.4M 0.51%
+376,900
New +$11.4M
ALNY icon
42
PUT
Alnylam Pharmaceuticals
ALNY
$30.6B
$11.4M 0.5%
25,000
-11,000
-31% -$4.48M
IREN icon
43
PUT
Iris Energy
IREN
$13.9B
$10.8M 0.48%
230,000
– –
BBIO icon
44
PUT
BridgeBio Pharma
BBIO
$16.1B
$10.7M 0.47%
205,900
-289,600
-58% -$14.1M
CMS icon
45
PUT
CMS Energy
CMS
$22.4B
$10.2M 0.45%
138,800
+200
+0.1% +$14.4K
WGO icon
46
CALL
Winnebago Industries
WGO
$904M
$10M 0.44%
+300,000
New +$9.9M
NET icon
47
PUT
Cloudflare
NET
$104B
$8.99M 0.4%
41,900
-61,300
-59% -$12.5M
GES
48
PUT
DELISTED
Guess Inc
GES
$8.36M 0.37%
500,000
+10,700
+2% +$159K
MELI icon
49
PUT
Mercado Libre
MELI
$97.5B
$7.48M 0.33%
3,200
-700
-18% -$1.68M
MCHPP
50
Microchip Technology Inc 7.50% Series A Preferred Stock
MCHPP
$7.42M 0.33%
125,000
– –
1
2
3 4 5

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Portman Square Capital's Q3 2025 Portfolio in Review

As of Q3 2025, Portman Square Capital held 186 positions worth $2.26B, down 34% from $3.42B the previous quarter. Its ten largest holdings account for 45% of the portfolio.

Portman Square Capital withdrew a net $1.21B in Q3 2025, closing 79 positions and reducing 57 holdings. Its most notable exit was Insulet, an estimated $13.1M position sold in full.

By sector, the portfolio is most concentrated in Technology at 0.82% of assets, up from 0.32% a quarter earlier, followed by Consumer Discretionary and Industrials.

Against the trend, Portman Square Capital opened a new position in PG&E Corp 6.000% Series A Preferred Stock worth $47.7M.

  • Portman Square Capital's largest Q3 2025 buy was PG&E Corp 6.000% Series A Preferred Stock: 1,201,000 shares worth $47.7M.
  • Portman Square Capital added most to BlackLine in Q3 2025, an estimated $3.14M increase.
  • Portman Square Capital's biggest Q3 2025 reduction was Boeing Co 6.00% Series A Preferred Stock, cutting an estimated $36.1M.
  • Portman Square Capital fully exited Insulet in Q3 2025, selling an estimated $13.1M.
  • Portman Square Capital's ten largest holdings make up 45% of its $2.26B portfolio in Q3 2025.
  • Portman Square Capital opened 14 new positions and closed 79 in Q3 2025.
  • Portman Square Capital's portfolio value fell 34% quarter-over-quarter to $2.26B.

Based on Portman Square Capital's 13F filing for Q3 2025, filed 16 Oct 2025.