13F filer · reported 2026-Q2 · filed 2026-08-14 · Δ vs 2026-Q1 · US-listed long positions only 13F portfolio $4.5B · Positions 21 · Top 10 84.3% · Effective N 11.9 Filer13F 2026-Q2 | CIK1517137 | Reported quarter2026-Q2 | | Prior quarter2026-Q1 | Filed2026-08-14 | | Reported value$4.5B | Positions21 | | Regulatory AUM (ADV)$8.2B | Employees (ADV)44 | | Head office (ADV)NEW YORK, NY, United States | Structure (ADV)Limited Partnership |
Authorized signatory: Lindsey Cara · Authorized Signatory — the person who SIGNED this filer's latest 13F, frequently a compliance officer, general counsel or CFO, and not necessarily the portfolio manager. Owners & officers (ADV Schedule A): CARA, LINDSEY, AMERY (GENERAL COUNSEL) · FELD, PETER, ALEXANDER (PORTFOLIO MANAGER AND HEAD OF RESEARCH) · Gargiulo, Pat, John (CHIEF FINANCIAL OFFICER) · MARTIN, LORELEI, B (CHIEF COMPLIANCE OFFICER) · SMITH, JEFFREY, CHAD (CHIEF EXECUTIVE OFFICER AND CHIEF INVESTMENT OFFICER) · STARBOARD PRINCIPAL CO LP (LIMITED PARTNER) · STARBOARD VALUE GP LLC (GENERAL PARTNER) Reported 2026-Q2 · filed 2026-08-14 · ADV 2026-03-06ⓘ Implied return1.14y vs SPY | Cumulative+12.2% | CAGR+10.6% | | vs SPY−11.3pp | Vol (ann.)16.7% | | Sharpe0.69 | Max drawdown−13.6% | | Beta0.94 | Avg coverage100% | | Quarters replayed4 | |
2025-06-30 → 2026-08-21 · HYPOTHETICAL replication, not actual returnsⓘ Contribution10 of 30 names | Ticker | Avg wt | Return | Contrib. |
|---|
| RIOT | 3.7% | +50.0% | +2.54pp | | KMX | 2.0% | +3.5% | +2.17pp | | ALIT · exited | 1.2% | — | −1.86pp | | GEN · exited | 4.6% | −6.6% | −1.80pp | | LW | 2.3% | −2.9% | +1.57pp | | ROG · exited | 1.6% | +59.1% | +1.49pp | | IJH | 8.4% | +19.3% | +1.48pp | | ACTG | 5.0% | +35.0% | +1.47pp | | CRM · exited | 3.2% | −15.1% | −1.14pp | | FLR | 2.0% | +26.2% | +1.13pp |
Carino-linked; contributions sum to the book return — modeled, not actual results. 2025-08-24 → 2026-08-24 · book +6.9% · SPY +20.0% · largest absolute contributors first · HYPOTHETICALⓘ Top holdings12 of 21 · 90.4% of book | Holding | Weight | Value | Δ shares |
|---|
| IJH | 15.1% | $685M | +52.3% | | QRVO | 11.6% | $523M | −25.3% | | KVUE | 11.5% | $522M | +0.0% | | DT | 8.6% | $389M | new | | AQN | 7.4% | $335M | +0.0% | | MTCH | 6.5% | $296M | −31.8% | | ACTG | 6.3% | $285M | +0.0% | | RIOT | 6.1% | $277M | −34.9% | | BILL | 5.6% | $254M | +0.0% | | LW | 5.5% | $248M | −6.2% | | KMX | 3.8% | $170M | −48.3% | | FLS | 2.4% | $107M | new |
Weights as filed for 2026-Q2 · Δ vs 2026-Q1ⓘ Sector split10 sectors | Sector | N | Weight |
|---|
| Information Technology | 5 | 33.9% | | Unclassified | 3 | 15.2% | | Financials | 3 | 14.2% | | Materials | 1 | 11.5% | | Utilities | 1 | 7.4% | | Consumer Staples | 1 | 5.5% | | Consumer Discretionary | 2 | 4.6% | | Industrials | 2 | 4.2% | | Communication Services | 2 | 2.6% | | Real Estate | 1 | 0.9% |
SIC-derived, not GICS · 85% of weight classifiedⓘ Sector history8 of 53 quarters | Sector | 2024-Q2 | 2024-Q3 | 2024-Q4 | 2025-Q1 | 2025-Q2 | 2025-Q3 | 2025-Q4 | 2026-Q1 |
|---|
| Information Technology | 36.8% | 47.7% | 36.4% | 41.1% | 42.3% | 50.0% | 44.7% | 32.0% | | Financials | 12.7% | 8.6% | 8.0% | 5.9% | 5.0% | 6.9% | 7.4% | 12.5% | | Materials | 2.3% | 1.9% | 10.0% | 10.6% | 8.7% | 8.9% | 11.0% | 11.7% | | Unclassified | 12.1% | 11.5% | 7.7% | 3.8% | 7.0% | 7.1% | 11.8% | 11.5% | | Utilities | 8.5% | 7.2% | 5.3% | 6.2% | 6.3% | 6.4% | 7.4% | 7.7% | | Consumer Discretionary | 3.8% | 3.0% | 1.9% | 1.1% | 1.2% | 1.1% | 0.9% | 6.6% | | Consumer Staples | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 5.7% | | Communication Services | 10.4% | 9.3% | 8.3% | 7.9% | 7.6% | 7.6% | 5.4% | 4.7% | | Industrials | 9.2% | 7.3% | 6.3% | 5.6% | 5.0% | 2.8% | 3.9% | 2.9% | | Real Estate | 0.0% | 0.0% | 6.2% | 6.2% | 5.3% | 4.9% | 4.0% | 2.5% | | Health Care | 4.4% | 3.6% | 9.9% | 11.6% | 11.6% | 4.3% | 3.4% | 2.2% | | Energy | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | | Top-10 concentration | 80.3% | 79.7% | 71.1% | 75.7% | 73.0% | 71.3% | 69.5% | 74.8% |
SIC-derived, not GICS · 88% of the latest book classified · share of the filed book, per quarterⓘ Basis & disclosures - As filed · positions and weights exactly as the 13F states them · nothing imputed · absent “—”
- 13F is US-listed long only · filed up to 45 days after quarter-end · a LOWER bound on what this filer manages, never a total — shorts, options, cash, bonds and non-US listings are outside it
- As filed — the holdings and weights are the 13F itself; no return engine produced them
- Implied returns are a replication, not a track record · the filed book valued daily and rebalanced to each new filing · no fees, no timing, and nothing a 13F does not carry
- Not investment advice · no recommendation, forecast or offer · past ≠ future · this is a filer's public record, not a solicitation
- SEC Form 13F · SEC Form ADV · licensed end-of-day prices · spzco.com/methodology
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