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Institutional Cluster ·Filed Oct 21, 2026

MDYG

STATE STREET SPDR S&P 400 MID CAP GROWTH ETF
BULLISH
Impact 4/10
Horizonweeks Processed6d 8h ago
Institutional cluster: 3 buyers, 0 sellers (bullish)
Actionable Insight ▲ Bullish

The cluster is small in absolute dollar terms but unanimous in direction, suggesting a shared tactical view favoring mid-cap growth exposure. Monitor upcoming 13F filings for continuation or reversal of this trend, and compare to sector ETF flows for confirmation.

DirectionBullish
Confidencemedium
Horizonweeks
Latest settled — T+1d
MDYG ▼ -0.73% at T+1d
LONG call ✗ call lost -0.73% · α vs SPY -0.21% · entry $102.59 → $101.84
Next anchor: T+5d in 7h
Entry = T+0 close
Oct 21, 2026
via day close
T+1d
-0.73%
call -0.73% · α -0.21%
$101.84
settled 6d ago
T+5d
Pending
in 7h
T+20d
Pending
in 21d
T+60d
Pending
in 3mo

Executive Summary

Three asset managers increased their positions in the State Street SPDR S&P 400 Mid Cap Growth ETF during Q3 2026, with two funds more than doubling their holdings. The net buying of $7.9M is a modest signal of conviction in mid-cap growth exposure, though the 45-day reporting lag means positions may have already been adjusted.

Key Financial Metrics

Direction
accumulating
Buy Value
$13.4M
Net Flow
$7.9M

Institutional Positions

Net institutional flow: $7.9M

▲ Buyers (3)

InstitutionActionChangePosition ValueValue Δ
Farther Finance AdvisorsDOUBLED+136.4%$10.8M$5.9M
Concurrent Investment AdvisorsDOUBLED+399.3%$2.6M$2.0M
AssetmarkADD+46.8%$34.0K$9.0K

Key Facts

  • 3 institutional buyers, 0 sellers in Q3 2026
  • Net institutional buying of $7.9M, total current holdings $13.4M
  • Farther Finance Advisors doubled position (+136.4% shares) to $10.8M
  • Concurrent Investment Advisors nearly quadrupled position (+399.3% shares) to $2.6M
  • Assetmark added 46.8% to a small position ($34K)
  • All three buyers are asset managers, not passive/index funds

Financial Impact

Three asset managers accumulated $7.9M in net new positions in MDYG during Q3 2026, with total current holdings of $13.4M. No selling activity was recorded.

institutional holdingsETF flows

Risk Factors

  • 13F data is 45+ days stale; positions may have been unwound since quarter-end
  • Small aggregate dollar amount ($7.9M) limits signal strength
  • No insider buying to corroborate the institutional thesis

Documents Analyzed

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

DocumentAccession Number
INST-CLUSTER Data (Synthetic)inst-cluster-MDYG-2026-Q3

US Market Status

Market Closed — Opens in 8h 20m

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Report published Oct 21, 2026