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SC 13D/A ·Filed Sep 29, 2026

GPI

GROUP 1 AUTOMOTIVE INC
BULLISH
Impact 6/10
Horizonweeks Processed26d 20h ago SEC0000905148-26-004293
Activist stake amendment (position change)
Actionable Insight ▲ Bullish

Conifer's continued aggressive buying after securing a board seat and standstill agreement signals strong conviction that GPI shares are undervalued at current levels. The stock has declined ~7% since the September 22 agreement, and Conifer has absorbed that decline by buying more. Watch for potential further accumulation up to the 19% cap, and monitor whether Conifer pushes for additional operational or strategic changes at the board level now that Benjamin Hart joins in November.

DirectionBullish
Confidencehigh
Horizonweeks
Latest settled — T+5d ⚠ clustered
GPI ▼ -3.26% at T+5d
LONG call ✗ call lost -3.26% · α vs SPY -5.17% · entry $240.44 → $232.61
Next anchor: T+20d in 14h
Latest observation: T+17 -7.88% FF3 residual α
Entry = T+0 close
Sep 29, 2026
via day close
T+1d
+6.76%
call +6.76% · α +6.58%
$256.70
settled 26d ago
T+5d
-3.26%
call -3.26% · α -5.17%
$232.61
settled 20d ago
T+20d
Pending
in 14h
T+60d
Pending
in 8w

Price Chart

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Executive Summary

Conifer Management filed Amendment No. 3 to its Schedule 13D, reporting beneficial ownership of 1,840,698 shares (15.4%) of Group 1 Automotive, up from the prior filing. Since the September 22 amendment, Conifer purchased an additional 328,408 shares for approximately $80.5 million, with purchases accelerating as the stock declined from ~$253 to ~$235 per share. This filing follows the September 22 Stockholder Agreement that granted Conifer a board seat and standstill through 2030, making this continued aggressive accumulation notable — Conifer is buying heavily into weakness despite having already secured governance concessions.

Key Financial Metrics

Stake
15.4%
Investor
Conifer Management, L.L.C.

Key Facts

  • Conifer Management now beneficially owns 1,840,698 shares of GPI common stock, or approximately 15.4% of shares outstanding.
  • Since Amendment No. 2 on September 22, 2026, Conifer purchased 328,408 additional shares in open-market transactions for approximately $80.5 million.
  • Purchases were executed between September 24-29, 2026, at volume-weighted average prices ranging from $239.48 to $252.06 per share.
  • The largest single-day purchase was 133,472 shares on September 28, 2026 (Acacia Partners + Acacia Conservation Fund combined).
  • This filing follows the September 22 Stockholder Agreement where Conifer secured a board seat (Benjamin Hart, effective Nov 1, 2026) and agreed to a 19% ownership cap and standstill through 2030.
  • Conifer's stake has grown from the initial 13D filing on August 20, 2026, through multiple amendments with continuous open-market buying.

Financial Impact

Conifer spent approximately $80.5 million on shares since September 22, bringing total stake to 15.4% of GPI. The stock declined from ~$253 to ~$235 during this buying period, suggesting Conifer is averaging down.

ownership percentageshare priceactivist pressure

Risk Factors

  • The standstill agreement limits Conifer's ability to escalate beyond the 19% ownership cap or launch a proxy fight through 2030.
  • GPI's stock has been declining during Conifer's accumulation period, suggesting broader market or sector headwinds that could persist.
  • The 10-K from February 2026 showed a restructuring plan and discontinued operations, indicating the company faces operational challenges.

Investment Themes

Consumer & Retail

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13D/A Filing (Primary)0000905148-26-004293
Document: 0000905148-26-004293-index-headers.html0000905148-26-004293
Document: 0000905148-26-004293-index.html0000905148-26-004293
Document: 0000905148-26-004293.txt0000905148-26-004293
22 reports for GPI
Performance horizon
10% Hit rate @ T+1 1 of 10 directional calls Went positive at some point 1 of 10 best @ T+20▲ +11.36%Apr 30, 2026
Filters
Rows
Reports for GPI — sortable, filterable
TypeNow
Oct 21, 2026
5d ago
8-K
MIXED ★ 6/10
$224.85 $242.79▲ +7.98%▲ +9.16%$243.88 (+8.46%)
Sep 30, 2026
25d ago
Insider Buy
BULLISH ★ 6/10
$256.70 $249.84▼ −2.67%▼ −3.41%$243.88 (−4.99%)
Sep 29, 2026
26d ago
SC 13D/A
BULLISH ★ 6/10
$240.44 $256.70▲ +6.76%▲ +6.58%$243.88 (+1.43%)
Sep 28, 2026
28d ago
Insider Buy
BULLISH ★ 6/10
$240.93 $240.44▼ −0.20%▲ +0.00%$243.88 (+1.22%)
Sep 24, 2026
4w ago
8-K
NEUTRAL ★ 5/10
$247.79 $252.18▲ +1.77%▲ +1.23%$243.88 (−1.58%)
Sep 22, 2026
4w ago
Press Release
NEUTRAL ★ 5/10
$247.51 $247.79▲ +0.11%▲ +0.20%$243.88 (−1.47%)
Sep 22, 2026
4w ago
SC 13D/A
BULLISH ★ 6/10
$253.75 $247.51▼ −2.46%▼ −1.74%$243.88 (−3.89%)
Sep 22, 2026
4w ago
8-K
BULLISH ★ 6/10
$253.75 $247.51▼ −2.46%▼ −1.74%$243.88 (−3.89%)
Sep 21, 2026
5w ago
Insider Buy
BULLISH ★ 6/10
$253.75 $247.51▼ −2.46%▼ −1.74%$243.88 (−3.89%)
Sep 11, 2026
6w ago
Insider Buy
BULLISH ★ 7/10
$284.01 $275.45▼ −3.01%▼ −2.56%$243.88 (−14.13%)
Showing 10 of 22

US Market Status

Market Closed — Opens Tue (15h 58m)

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Report published Sep 29, 2026