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Institutional Cluster ·Filed Sep 22, 2026

GPOR

GULFPORT ENERGY CORP
MIXED
Impact 3/10
Horizonweeks Processed1mo ago
Institutional cluster: 37 buyers, 22 sellers (mixed)
Actionable Insight ◆ Mixed

The divergence between active buyers (American Century, Bridgewater) and aggressive sellers (Millennium, RenTech, Wellington) suggests a lack of consensus on GPOR's near-term outlook. Monitor Q3 2026 earnings for catalyst that could resolve this split.

DirectionMixed
Confidencemedium
Horizonweeks
Latest settled — T+20d
GPOR ▲ +2.01% at T+20d
NEUTRAL call +2.01% · α vs SPY +2.57% · entry $158.50 → $161.69
Next anchor: T+60d in 7w
Latest observation: T+23 +4.29% FF3 residual α
Entry = T+0 close
Sep 22, 2026
via day close
T+1d
+0.77%
call +0.77% · α +1.49%
$159.72
settled 5w ago
T+5d
-3.99%
call -3.99% · α -2.81%
$152.17
settled 27d ago
T+20d
+2.01%
call +2.01% · α +2.57%
$161.69
settled 6d ago
T+60d
Pending
in 7w

Executive Summary

Institutional activity in GPOR during Q2 2026 was mixed: 37 funds accumulated $42.7M in net new positions, while 22 funds reduced holdings by $87.9M. Notable buyers include American Century, Bridgewater, and Vanguard, while major sellers include Millennium, BofA, and RenTech. The net selling pressure of $45.2M suggests cautious positioning despite some conviction buying.

Key Financial Metrics

Direction
distributing
Buy Value
$193.7M
Sell Value
$87.9M
Net Flow
-$45.2M

Institutional Positions

Net institutional flow: -$45.2M

▲ Buyers (37)

InstitutionActionChangePosition ValueValue Δ
American Century CompaniesADD+67.9%$57.5M$14.8M
BridgewaterADD+74.2%$27.1M$7.7M
Vanguard Portfolio ManagementADD+46%$77.1M$11.3M

▼ Sellers (22)

InstitutionActionChangePrev ValueValue Δ
MillenniumTRIM-45.8%$42.8M-$24.2M
RenTechTRIM-45.3%$29.0M-$16.3M
Wellington Management GroupNEAR_EXIT-75.1%$25.2M-$20.2M

Key Facts

  • 37 institutional buyers added $42.7M in net new positions, totaling $193.7M in holdings
  • 22 institutional sellers reduced positions by $87.9M
  • Top buyer: Vanguard Portfolio Management added $11.3M (+46% shares)
  • Top seller: Millennium trimmed $24.2M (-45.8% shares)
  • Bridgewater added $7.7M (+74.2% shares)
  • RenTech trimmed $16.3M (-45.3% shares)
  • Wellington Management Group near-exited, reducing $20.2M (-75.1% shares)

Financial Impact

Net institutional selling of $45.2M (buyers added $42.7M, sellers reduced $87.9M)

institutional_ownershipfloat

Risk Factors

  • 13F data is 45+ days stale; positions may have been unwound since quarter-end
  • Net selling pressure of $45.2M may indicate deteriorating fundamentals
  • Hedge fund selling by Millennium and RenTech could signal negative thesis

Investment Themes

Traditional Energy

Documents Analyzed

This report is based on 1 institutional 13F filing from SEC EDGAR.

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-GPOR-2026-Q2
9 reports for GPOR
Performance horizon
75% Hit rate @ T+5 3 of 4 directional calls Went positive at some point 4 of 4 best @ T+60▲ +17.64%Mar 2, 2026
Filters
Rows
Reports for GPOR — sortable, filterable
TypeNow
Oct 23, 2026
3d ago
Court Ruling
NEUTRAL ★ 1/10
—awaiting T+5——
Sep 22, 2026
4w ago
Institutional Cluster
MIXED ★ 3/10
$158.50 $152.17▼ −3.99%▼ −2.81%—
Sep 3, 2026
7w ago
Court Ruling
BULLISH ★ 5/10
$179.40 $173.06▼ −3.53%▼ −2.33%—
Aug 10, 2026
11w ago
Insider Buy
NEUTRAL ★ 2/10
$171.26 $170.98▼ −0.16%▲ +0.24%—
Apr 8, 2026
28w ago
DEFA14A
NEUTRAL ★ 3/10
$203.33 $193.23▼ −4.97%▼ −8.15%—
Mar 2, 2026
34w ago
Insider Cluster
BEARISH ★ 8/10
$209.13 $197.06▲ +5.77%▲ +4.56%—
Mar 2, 2026
34w ago
Insider Cluster
BEARISH ★ 8/10
$209.13 $197.06▲ +5.77%▲ +4.56%—
Mar 2, 2026
34w ago
Insider Cluster
NEUTRAL ★ 4/10
$209.13 $197.06▼ −5.77%▼ −4.56%—
Feb 24, 2026
34w ago
8-K
BULLISH ★ 8/10
$199.67 $209.78▲ +5.06%▲ +6.16%—
Showing 9 of 9

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Sep 22, 2026