FUN Six Flags Entertainment Corporation/NEW

BULLISH Impact: 7/10 3
Horizon weeks Filed May 27, 2026 Processed 16d 21h ago SEC 0001999001-26-000071
Form 3 — initial insider ownership statement
Latest settled — T+5d ⚠ clustered
FUN ▲ +4.48% at T+5d
LONG call ✓ call won +4.48% · α vs SPY +4.17% · entry $20.30 → $21.21
Next anchor: T+20d in 12d
Currently $23.44 · +15.47% from $20.30 entry
Entry anchored
May 27, 2026
via day open
T+1d
+3.50%
call +3.50% · α +3.26%
$21.01
settled 16d ago
T+5d
+4.48%
call +4.48% · α +4.17%
$21.21
settled 10d ago
T+20d
call — · α —
in 12d
T+60d
call — · α —
in 2mo

Price Chart

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Executive Summary

Form 3 filing by Rehan Jaffer, founder and managing member of H Partners Management, indicating beneficial ownership of 4,650,000 shares of Six Flags Entertainment Corporation common stock. This initial ownership report signals a material activist or significant passive stake, as H Partners is a known event-driven fund. The filing suggests H Partners/Rehan Jaffer has a large position (4.65M shares) in FUN, which may lead to increased activist pressure, board engagement, or strategic alternatives.

Actionable Insight

This is a major new activist-style position disclosure. H Partners has a history of pushing for operational improvements and strategic alternatives in portfolio companies. Traders should watch for a subsequent Schedule 13D (which would provide more detail on intent) or public communications from H Partners. If 13D emerges with a clear activist agenda, FUN could see a 5-10% rally. If no 13D appears and the position remains passive, the impact may be muted. Given the historical underperformance on prior FUN calls noted in the calibration data, the score is pegged at 7 (significant) but with medium confidence — the stake is real and material but precise activist intent is unconfirmed.

Key Facts

  • Rehan Jaffer filed a Form 3 on 2026-05-27, reporting beneficial ownership of 4,650,000 shares of Six Flags Entertainment Corporation (FUN) common stock.
  • The shares are held by funds managed by H Partners Management, LLC, a known event-driven and activist hedge fund.
  • Jaffer disclaims beneficial ownership except to the extent of pecuniary interest, but as founder/managing member of H Partners, he has voting and dispositive power.
  • No footnotes or footers indicate a separate Schedule 13D/13G filing was included — the Form 3 appears to be an initial Section 16 statement.

Financial Impact

4,650,000 shares reported as of 2026-05-26. At current market cap of $2.1B, this stake is likely worth $50-80M depending on entry price, representing approximately 2-4% of outstanding shares.

ownership concentrationvoting power

Risk Factors

  • If H Partners' intent is passive (not activist), the filing is simply a disclosure with no near-term catalyst
  • Six Flags' high debt load and seasonal revenue could limit activist options
  • No Schedule 13D has been filed yet, creating uncertainty about Jaffer's true intentions

Market Snapshot

Exchange
NYSE
Sector
Services-Amusement & Recreation Services
Analyst Consensus
68% bullish (19 analysts)

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
3 Filing (Primary)0001999001-26-000071
Document: 0001999001-26-000071-index.html0001999001-26-000071
Document: 0001999001-26-000071.txt0001999001-26-000071
11 reports for FUN
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for FUN — sortable, filterable
Type Now
Jun 12, 2026
1d ago
Institutional Cluster
BULLISH ★ 6/10
$24.02 awaiting T+5awaiting T+5$23.44 (−2.39%)
Jun 11, 2026
2d ago
Institutional Cluster
BULLISH ★ 6/10
$23.75 awaiting T+5awaiting T+5$23.44 (−1.28%)
May 27, 2026
16d ago
8-K
NEUTRAL ★ 3/10
$20.30 $21.21▲ +4.48%▲ +4.17%$23.44 (+15.47%)
May 27, 2026
16d ago
3
BULLISH ★ 7/10
$20.30 $21.21▲ +4.48%▲ +4.17%$23.44 (+15.47%)
May 27, 2026
16d ago
3
NEUTRAL ★ 2/10
$20.30 $21.21▲ +4.48%▲ +4.17%$23.44 (+15.47%)
May 20, 2026
23d ago
8-K
NEUTRAL ★ 4/10
$19.72 $21.01▲ +6.54%▲ +4.69%$23.44 (+18.86%)
May 12, 2026
4w ago
Insider Cluster
BULLISH ★ 5/10
$18.90 $19.53▲ +3.33%▲ +3.93%$23.44 (+24.02%)
May 7, 2026
5w ago
8-K
NEUTRAL ★ 3/10
$22.01 $20.08▼ −8.77%▼ −10.23%$23.44 (+6.50%)
May 7, 2026
5w ago
8-K
NEUTRAL ★ 4/10
$22.76 $19.32▼ −15.11%▼ −16.62%$23.44 (+2.99%)
Apr 9, 2026
9w ago
8-K
NEUTRAL ★ 4/10
$19.73 $19.48▼ −1.27%▼ −4.45%$23.44 (+18.80%)
Showing 10 of 11

US Market Status

Market Closed — Opens Mon (42h 52m)

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