Stocks/Funds/CIK 1803274

Platinum Equity Advisors, LLC/DE

long-term holderconcentrated
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1803274
Assets
$8.88B
+97.6% YoY
Holdings
6
Lifetime alpha vs market
-1.27% annual
Average hold time
3.1 yr
median 3.1 yr

Quarterly history

Cum return +45% vs S&P +52% · α -8% lifetimeAUM $8.9B · peak $8.9BFlow $622M (+8%)2019-122020-122021-122022-122023-122024-122025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-5.65%
trims when stocks drop
when a holding falls −10%+
Middle response
-0.41%
baseline attrition
Rally response
-9.86%
trims into rallies
when a holding rises +10%+

Top positions · 6

Ticker$ value% portYoYHold time
INGMIngram Micro Holding Cor$4.59B51.7%+33.4%1.5 yr
MHMcGraw Hill, Inc.$2.26B25.5%0.8 yr
CTOSCustom Truck One Source,$1.03B11.6%+55.7%5.0 yr
GPGIGPGI, Inc.$903M10.2%+57.3%0.3 yr
RYZRyerson Holding Corporat$88M1.0%+1.1%6.5 yr
IMXIInternational Money Expr$1M0.0%+25.2%4.8 yr

Portfolio composition (YoY)

Industry mix
Information Technology Services51.7%-31.5pp$4.59B
Education & Training Services25.5%$2.26B
Rental & Leasing Services11.6%-3.1pp$1.03B
Manufacturing - Metal Fabrication10.2%$903M
Beverages - Wineries & Distilleries1.0%-1.0pp$88M
Software - Infrastructure0.0%-0.0pp$1M
Country
US100.0%+0.0pp
Top 5: 100.0% · Top 10: 100.0% · Top 25: 100.0%

Winners

TickerPrev $PnLYoY %
INGM$3.74B+1.23B33.4%
CTOS$661M+0.37B55.7%
RYZ$90M+0.00B1.1%
IMXI$0M+0.00B25.2%

Losers

TickerPrev $PnLYoY %

Top buys this quarter · 1

GPGI GPGI, Inc.new+$903M

Top sells this quarter · 1

INGM Ingram Micro Holding Corporati$4.50B

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$8.88B6+35.57%+17.59%+17.98%+0.62B
2025-12-31$8.23B5+23.92%+17.72%+6.20%-0.02B
2025-09-30$7.70B5+54.58%+17.52%+37.07%+2.05B
2025-06-30$5.26B4+17.47%+14.94%+2.53%-0.02B
2025-03-31$4.49B4-27.15%+8.30%-35.46%+0.02B
2024-12-31$4.88B4-16.32%+24.89%-41.20%+4.09B
2024-09-30$591M3-32.41%+36.04%-68.45%+0.00B
2024-06-30$724M3-7.04%+24.49%-31.53%-0.00B
2024-03-31$997M3+58.41%+29.62%+28.78%-0.52B
2023-12-31$1.44B4+65.06%+26.18%+38.88%+0.00B
2023-09-30$1.33B4+80.57%+21.57%+59.00%-1.29B
2023-06-30$2.34B5+78.06%+19.42%+58.63%-0.13B
2023-03-31$1.99B4-7.57%-7.82%+0.25%-0.14B
2022-12-31$1.94B4+18.03%+7.56%+10.47%-0.00B
2022-09-30$1.65B5+10.84%-4.93%+15.76%+0.00B
2022-06-30$1.48B4-35.64%-16.11%-19.53%-0.14B