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AltaRock Partners

AltaRock Partners

Concentrated compounder

$4.13B

Portfolio Value

8

Holdings

Q1 '26

Period

2026-05-15

Filed

📉

Simulated 13F Return

⚠️ Approximation

Total Return

+13.57%

Q1 '25 → Q4 '25

Annualized

+18.41%/yr

S&P: +26.24%/yr

Alpha (vs S&P)

-5.61%

3 quarters tracked

1-Year Return

—

⚠️ Approximation only. 13F filings are delayed ~45 days. Options, shorts, and intra-quarter trades not captured.

📈 Recent Activity

Changes from previous quarter

AMZNINCREASED
38.2% of portfolio
+3% shares+5.1pp
TDGREDUCED
25.5% of portfolio
-6% shares+0.3pp
MSFTREDUCED
16.8% of portfolio
-10% shares-3.0pp
MCOINCREASED
9.1% of portfolio
+6% shares+1.0pp
MAREDUCED
6.3% of portfolio
-4% shares+0.3pp
VREDUCED
3.7% of portfolio
-3% shares+0.1pp
GOOGLINCREASED
0.3% of portfolio
-74% shares-0.7pp
HLTREDUCED
0.1% of portfolio
-97% shares-2.9pp

📊 Sector Breakdown

Portfolio allocation by sector

Technology 55.3%Industrials 25.5%Financials 10.0%Unknown 9.1%Consumer Discretionary 0.1%

💼 Holdings

🔍

8 of 8 positions · $4.13B

This quarter: increased 3, reduced 5. Net seller.

AMZNINCREASED
38.2%
38.2% of portfolio (was 33.1%, added)
Filed ~$208
—📄
TDGREDUCED
25.5%
25.5% of portfolio (was 25.3%, trimmed)
Filed ~$1159
—📄
MSFTREDUCED
16.8%
16.8% of portfolio (was 19.7%, trimmed)
Filed ~$370
—📄
MCOINCREASED
9.1%
9.1% of portfolio (was 8.2%, added)
Filed ~$436
—📄
MAREDUCED
6.3%
6.3% of portfolio (was 6.1%, trimmed)
Filed ~$500
—📄
VREDUCED
3.7%
3.7% of portfolio (was 3.6%, trimmed)
Filed ~$302
—📄
GOOGLINCREASED
0.3%
0.3% of portfolio (was 1.0%, added)
Filed ~$288
—📄
HLTREDUCED
0.1%
0.1% of portfolio (was 3.1%, trimmed)
Filed ~$304
—📄