Platinum Equity Advisors, LLC/DE

Fundamental diversified ★Signal CIK 1803274
Long book
$8.88B
Q1 2026
Positions
6
Top-10 weight
100%
concentration
Last quarter
+5.4%
SPY +14.8%
Turnover
17%
of book per quarter

Strategy in plain words

auto-generated from filings

Platinum Equity Advisors, LLC/DE is a diversified fundamental manager, running a $8.88B US long book across 6 positions.

The portfolio is extremely concentrated — the top 10 positions are almost the whole book. Turnover is modest: positions are typically held for years. Current anchor positions: INGRAM MICRO HOLDING CORP, MCGRAW HILL INC, CUSTOM TRUCK ONE SOURCE INC, GPGI INC, RYERSON HOLDING CORP.

Over the last 9 quarters its long book ran on average 2.5pp per quarter behind the S&P 500, beating the index in 4 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.

Implied long-book return vs S&P 500

methodology: positions priced quarterly, no shorts/options
Fund long book S&P 500
Q1 2024
-27.4%
Q2 2024
-18.2%
Q3 2024
+33.3%
Q4 2024
-8.3%
Q1 2025
+17.3%
Q2 2025
+7.5%
Q3 2025
+7.1%
Q4 2025
+1.1%
Q1 2026
+5.4%

Sector allocation

Consumer discretionary
53%
Other
25%
Services media
12%
Financials
10%

Long book by quarter

$997.1M
Q1 2024
$723.6M
Q2 2024
$591.4M
Q3 2024
$4.88B
Q4 2024
$4.49B
Q1 2025
$5.26B
Q2 2025
$7.70B
Q3 2025
$8.23B
Q4 2025
$8.88B
Q1 2026

What does Platinum Equity own?

Q1 2026 13F
CompanySectorSharesValue% of bookChange
INGM INGRAM MICRO HOLDING CORPConsumer discretionary197.1M$4.59B51.7%-6.6%
MH MCGRAW HILL INCOther165.2M$2.26B25.5%Held
CTOS CUSTOM TRUCK ONE SOURCE INCServices media156.7M$1.03B11.6%Held
GPGI GPGI INCFinancials52.8M$903.4M10.2%New
RYZ RYERSON HOLDING CORPConsumer discretionary3.9M$88.2M1.0%Held
IMXI INTERNATIONAL MONEY EXPRESSServices media32.0K$506K0.0%Held

13F filing history

PeriodFormFiledEntriesReported valueFlagsSource
Q1 202613F-HRMay 15, 20266$8.88B canonicalSEC ↗
Q4 202513F-HRFeb 17, 20265$8.23B canonicalSEC ↗
Q3 202513F-HR/ARESTATEMENTJan 6, 20265$7.70B canonicalSEC ↗
Q3 202513F-HR/ANEW HOLDINGSJan 6, 20261$447K canonicalSEC ↗
Q3 202513F-HRNov 14, 20254$7.70B SEC ↗
Q2 202513F-HR/ARESTATEMENTJan 6, 20264$5.26B canonicalSEC ↗
Q2 202513F-HR/ANEW HOLDINGSJan 6, 20261$323K canonicalSEC ↗
Q2 202513F-HRAug 14, 20253$5.26B SEC ↗
Q1 202513F-HR/ARESTATEMENTJan 6, 20264$4.49B canonicalSEC ↗
Q1 202513F-HR/ANEW HOLDINGSJan 6, 20261$404K canonicalSEC ↗
Q1 202513F-HRMay 15, 20253$4.49B SEC ↗
Q4 202413F-HR/ARESTATEMENTJan 6, 20264$4.88B canonicalSEC ↗
Q4 202413F-HR/ANEW HOLDINGSJan 6, 20261$667K canonicalSEC ↗
Q4 202413F-HRFeb 14, 20253$4.88B SEC ↗
Q3 202413F-HR/ARESTATEMENTJan 6, 20263$591.4M canonicalSEC ↗
Q3 202413F-HR/ANEW HOLDINGSJan 6, 20261$592K canonicalSEC ↗
Q3 202413F-HRNov 14, 20242$590.8M SEC ↗
Q2 202413F-HR/ARESTATEMENTJan 6, 20263$723.6M canonicalSEC ↗
Q2 202413F-HR/ANEW HOLDINGSJan 6, 20261$667K canonicalSEC ↗
Q2 202413F-HRAug 14, 20242$722.9M SEC ↗
Q1 202413F-HR/ANEW HOLDINGSJan 6, 20261$731K canonicalSEC ↗
Q1 202413F-HR/ARESTATEMENTJan 6, 20263$997.1M canonicalSEC ↗
Q1 202413F-HRMay 15, 20242$996.3M SEC ↗