Union Square Park Capital Management, LLC — 13F Holdings & Portfolio

CIK 1666231 · latest 13F-HR filed 2026-08-14

Union Square Park Capital Management, LLC manages $278.0M in 13F-reported U.S. long-equity assets across 60 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (23.51%), IWM (6.49%), AMD (5.75%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 18 new positions and exited 20; 21 existing positions rose in reported value and 9 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$278.0M

Long-equity book

Holdings
60

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+18 / −20 / ↑21 / ↓9

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 53.7%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People
Assets Under Management
$154.5M
Discretionary
$154.5M
Employees
2
Accounts
1
Address
1120 AVENUE OF THE AMERICAS
SUITE 1502
NEW YORK, NY 10036
Phone
(347) 514-6126
Name Title / Status Ownership Type
PLUMERI, JAMES, JOSEPH ControlCHIEF COMPLIANCE OFFICER AND DIRECTOR OF OPERATIONSLess than 5%Individual
ZALTZMAN, LEON, MICHAEL ControlMANAGING MEMBER75% or moreIndividual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Union Square Park Capital Management, LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $65.3M 23.51% 87,500 SH
2 ISHARES TR Put IWM 464287655 $18.0M 6.49% 60,000 SH
3 ADVANCED MICRO DEVICES INC Call AMD 007903107 $16.0M 5.75% 27,500 SH
4 ASML HLDG NV Call ASML N07059210 $12.9M 4.65% 6,500 SH
5 RH RH 74967X103 $11.5M 4.15% 70,000 SH
6 PELOTON INTERACTIVE INC PTON 70614W100 $9.8M 3.51% 1,650,000 SH
7 ESTABLISHMENT LABS HLDGS INC ESTA G31249108 $9.0M 3.24% 105,000 SH
8 LAM RESEARCH CORP Call LRCX 512807306 $8.7M 3.12% 20,000 SH
9 RIDENOW GROUP INC RDNW 781386305 $8.3M 2.97% 1,239,277 SH
10 COMPASS INC COMP 20464U100 $8.0M 2.88% 650,000 SH
11 BROADCOM INC Call AVGO 11135F101 $7.6M 2.72% 20,000 SH
12 MONRO INC MNRO 610236101 $7.3M 2.62% 425,000 SH
13 TELADOC HEALTH INC TDOC 87918A105 $6.8M 2.44% 800,000 SH
14 MOHAWK INDS INC Call MHK 608190104 $6.1M 2.18% 50,000 SH
15 ROBINHOOD MKTS INC Call HOOD 770700102 $5.0M 1.80% 50,000 SH
16 GROUPON INC GRPN 399473206 $4.9M 1.77% 205,000 SH
17 AIRBNB INC ABNB 009066101 $4.3M 1.54% 30,000 SH
18 SPORTSMANS WHSE HLDGS INC SPWH 84920Y106 $4.0M 1.45% 3,036,695 SH
19 GENERAC HLDGS INC GNRC 368736104 $4.0M 1.42% 13,500 SH
20 APARTMENT INVT & MGMT CO AIV 03748R747 $3.3M 1.20% 1,125,000 SH
21 SERVICE PPTYS TR SVC 81761L102 $3.2M 1.16% 1,900,000 SH
22 LIONSGATE STUDIOS CORP LION 53626N102 $3.1M 1.10% 200,000 SH
23 CENTURI HOLDINGS INC CTRI 155923105 $3.0M 1.09% 100,000 SH
24 BROADCOM INC AVGO 11135F101 $2.8M 1.02% 7,500 SH
25 HONEYWELL AEROSPACE INC HONA 43849R105 $2.8M 0.99% 12,500 SH
26 DATADOG INC DDOG 23804L103 $2.6M 0.94% 10,000 SH
27 ARISTA NETWORKS INC ANET 040413205 $2.5M 0.92% 15,000 SH
28 ROBINHOOD MKTS INC HOOD 770700102 $2.5M 0.90% 25,000 SH
29 ISHARES TR ITA 464288760 $2.4M 0.87% 10,000 SH
30 ASML HLDG NV ASML N07059210 $2.0M 0.72% 1,000 SH
31 TALEN ENERGY CORP TLN 87422Q109 $1.9M 0.69% 5,000 SH
32 INDUSTRIAL LOGISTICS PPTYS T ILPT 456237106 $1.8M 0.64% 200,000 SH
33 VISTRA CORP VST 92840M102 $1.6M 0.57% 10,000 SH
34 NRG ENERGY INC NRG 629377508 $1.5M 0.53% 10,000 SH
35 LEONARDO DRS INC DRS 52661A108 $1.3M 0.46% 30,000 SH
36 CONSTELLATION ENERGY CORP CEG 21037T109 $1.2M 0.45% 5,000 SH
37 LIGHTPATH TECHNOLOGIES INC LPTH 532257805 $1.2M 0.44% 75,000 SH
38 MOHAWK INDS INC MHK 608190104 $1.2M 0.44% 10,000 SH
39 AMAZON COM INC AMZN 023135106 $1.2M 0.43% 5,000 SH
40 CHEWY INC CHWY 16679L109 $1.2M 0.42% 60,000 SH
41 OPORTUN FINL CORP OPRT 68376D104 $1.1M 0.41% 200,000 SH
42 TRIPADVISOR INC TRIP 896945201 $1.1M 0.39% 80,000 SH
43 REAL ASSET ACQUISITION CORP RAAQW G73944103 $1.1M 0.39% 100,000 SH
44 MOOG INC MOG.A 615394202 $1.1M 0.38% 2,500 SH
45 ARHAUS INC ARHS 04035M102 $1.1M 0.38% 125,000 SH
46 CREATIVE REALITIES INC CREX 22530J309 $1.0M 0.38% 253,363 SH
47 NLIGHT INC LASR 65487K100 $1.0M 0.38% 15,000 SH
48 INSEEGO CORP INSG 45782B302 $1.0M 0.37% 100,000 SH
49 L3HARRIS TECHNOLOGIES INC LHX 502431109 $1.0M 0.37% 3,500 SH
50 GAP INC GAP 364760108 $934.0K 0.34% 50,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $278.0M 60 0001172661-26-003540
2026-03-31 2026-05-15 $176.1M 58 0001172661-26-002236
2026-03-31 2026-05-15 $208.0M 49 0001172661-26-002125
2025-12-31 2026-02-17 $208.0M 49 0001172661-26-000842
2025-09-30 2025-11-14 $281.1M 56 0001172661-25-004807
Filer Information
Address
1120 AVENUE OF THE AMERICAS
SUITE 1502
NEW YORK, NY 10036
Phone
(347) 514-6126
Filing Manager
Union Square Park Capital Management, LLC
New York, NY
Signatory
James Plumeri
CCO/Director of Operations