Top Institutional Investors

Massar Capital Management, LP — 13F Holdings & Portfolio

CIK 2037238 · latest 13F-HR filed 2026-08-14

Backtest portfolio

Massar Capital Management, LP manages $1.03B in 13F-reported U.S. long-equity assets across 265 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are TLT (19.47%), TLT (19.47%), QQQ (8.28%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 163 new positions and exited 147; 8 existing positions rose in reported value and 64 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
$1.03B

Long-equity book

Holdings
265

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+163 / −147 / ↑8 / ↓64

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
EWZ3.4% · +22%IGV3.2% · newMELI2.6% · -75%VIAV2.1% · +98%ONTO2.1% · newDOCN2.1% · newVICR2.1% · newSITM2.1% · newLSCC2.0% · newMOG.A2.0% · newSNX2.0% · newKWEB1.9% · -80%MOH1.8% · -52%JAZZ1.5% · newUTHR1.5% · newBABA1.4% · -18%MOS1.4% · -43%PYPL1.3% · -59%ILMN1.2% · newHRL1.1% · -54%XPO1.0% · newRTAC1.0% · -0%SPHR1.0% · newQURE1.0% · -86%TKR0.9% · newKLIC0.9% · newDOW0.9% · +62%VSXY0.9% · newCOKE0.9% · newUCTT0.8% · newKGS0.8% · newAVGO0.8% · newCYTK0.8% · newAWK0.8% · newDGX0.8% · newLH0.8% · newJD0.8% · -95%LQDA0.8% · newPRU0.7% · newARW0.7% · newAEXA0.7% · -3%TACO0.7% · +2%LAMR0.6% · newLFUS0.6% · newSLM0.6% · -52%PURR0.6% · newEMXC0.6% · newESI0.6% · newNOW0.6% · +66%VLY0.6% · newNWAX.U0.5% · -3%MRX0.5% · -65%AROC0.5% · +405%EGP0.5% · newSOLS0.5% · newLULU0.5% · newVALE0.5% · newBHP0.5% · -44%HXL0.5% · +195%ICHR0.5% · new

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 = 23.8%

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

Firm Profile & Key People
Name Title / Status Ownership Type

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

Show all 8 →

Top Trims

Show all 64 →

New Positions

Show all 163 →

Exited Positions

Show all 147 →

Massar Capital Management, LP 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 ISHARES TR Call TLT 464287432 $200.3M 19.47% 2,317,800 SH
2 ISHARES TR Put TLT 464287432 $200.3M 19.47% 2,317,800 SH
3 INVESCO QQQ TR Put QQQ 46090E103 $85.2M 8.28% 115,700 SH
4 ISHARES TR Put SOXX 464287523 $52.6M 5.11% 82,100 SH
5 ISHARES INC Put EWY 464286772 $44.3M 4.30% 219,300 SH
6 VANECK ETF TRUST Put SMH 92189F676 $33.5M 3.26% 51,100 SH
7 WALMART INC Put WMT 931142103 $23.6M 2.29% 208,000 SH
8 INVESCO QQQ TR Call QQQ 46090E103 $21.0M 2.04% 28,500 SH
9 NVIDIA CORPORATION Put NVDA 67066G104 $20.5M 2.00% 102,600 SH
10 EXXON MOBIL CORP Put XOM 30231G102 $14.5M 1.41% 106,400 SH
11 JPMORGAN CHASE & CO Put JPM 46625H100 $13.0M 1.27% 39,800 SH
12 ISHARES INC EWZ 464286400 $9.9M 0.97% 287,932 SH
13 ISHARES TR IGV 464287515 $9.3M 0.90% 102,230 SH
14 MERCADOLIBRE INC MELI 58733R102 $7.6M 0.74% 4,499 SH
15 GOLDMAN SACHS GROUP INC Put GS 38141G104 $7.4M 0.72% 7,300 SH
16 APPLE INC Put AAPL 037833100 $6.5M 0.63% 22,300 SH
17 VIAVI SOLUTIONS INC VIAV 925550105 $6.2M 0.61% 130,875 SH
18 ONTO INNOVATION INC ONTO 683344105 $6.2M 0.60% 16,358 SH
19 DIGITALOCEAN HLDGS INC DOCN 25402D102 $6.1M 0.59% 38,752 SH
20 VICOR CORP VICR 925815102 $6.0M 0.59% 15,868 SH
21 SITIME CORP SITM 82982T106 $6.0M 0.59% 8,079 SH
22 LATTICE SEMICONDUCTOR CORP LSCC 518415104 $6.0M 0.58% 39,049 SH
23 MOOG INC MOG.A 615394202 $5.8M 0.57% 13,742 SH
24 TD SYNNEX CORPORATION SNX 87162W100 $5.8M 0.56% 21,565 SH
25 INTERNATIONAL BUSINESS MACHS Put IBM 459200101 $5.7M 0.56% 20,400 SH
26 KRANESHARES TRUST KWEB 500767306 $5.5M 0.53% 224,001 SH
27 MOLINA HEALTHCARE INC MOH 60855R100 $5.2M 0.51% 22,943 SH
28 JAZZ PHARMACEUTICALS PLC JAZZ G50871105 $4.5M 0.44% 18,695 SH
29 UNITED THERAPEUTICS CORP DEL UTHR 91307C102 $4.4M 0.42% 8,055 SH
30 ALIBABA GROUP HLDG LTD BABA 01609W102 $4.1M 0.40% 42,329 SH
31 MOSAIC CO MOS 61945C103 $4.0M 0.38% 186,504 SH
32 PAYPAL HLDGS INC PYPL 70450Y103 $3.9M 0.38% 90,780 SH
33 PALANTIR TECHNOLOGIES INC Put PLTR 69608A108 $3.6M 0.35% 30,800 SH
34 ILLUMINA INC ILMN 452327109 $3.4M 0.33% 19,073 SH
35 HORMEL FOODS CORP HRL 440452100 $3.1M 0.30% 123,615 SH
36 XPO INC XPO 983793100 $3.0M 0.29% 14,389 SH
37 RENATUS TACTICAL ACQUIS RTAC G7490F101 $2.9M 0.28% 275,913 SH
38 SPHERE ENTERTAINMENT CO SPHR 55826T102 $2.9M 0.28% 16,474 SH
39 UNIQURE NV QURE N90064101 $2.8M 0.27% 61,314 SH
40 TIMKEN CO TKR 887389104 $2.8M 0.27% 19,009 SH
41 SELECT SECTOR SPDR TR Call XLF 81369Y605 $2.7M 0.27% 51,100 SH
42 KULICKE & SOFFA INDS INC KLIC 501242101 $2.7M 0.26% 20,155 SH
43 DOW HLDGS INC DOW 260557103 $2.6M 0.25% 95,414 SH
44 VICTORIAS SECRET AND CO VSXY 926400102 $2.6M 0.25% 30,877 SH
45 COCA COLA CONS INC COKE 191098102 $2.6M 0.25% 13,405 SH
46 ULTRA CLEAN HLDGS INC UCTT 90385V107 $2.5M 0.24% 17,298 SH
47 KODIAK GAS SVCS INC KGS 50012A108 $2.5M 0.24% 32,733 SH
48 BROADCOM INC AVGO 11135F101 $2.4M 0.23% 6,291 SH
49 CYTOKINETICS INC CYTK 23282W605 $2.4M 0.23% 27,698 SH
50 AMERICAN WTR WKS CO INC NEW AWK 030420103 $2.3M 0.22% 17,388 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.03B 265 0002037238-26-000006
2026-03-31 2026-05-15 $934.2M 246 0002037238-26-000004
2025-12-31 2026-02-17 $931.8M 317 0002037238-26-000001
2025-09-30 2025-11-14 $760.1M 174 0002037238-25-000006
Filer Information
Address
4 STAMFORD PLAZA
107 ELM STREET, 4TH FLOOR
STAMFORD, CT 06902
Phone
(212) 278-0350
Filing Manager
Massar Capital Management, LP
STAMFORD, CT
Signatory
Philippe Lionnet
Chief Operating Officer