As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

  5/2/24  Vanguard Inst’l Index Funds       485BXT                 1:54K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
 4/26/24‡ Vanguard Inst’l Index Funds       485BPOS     4/26/24   19:11M                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Institutional Index Fund
          → Vanguard Institutional Total Stock Market Index Fund
  4/4/24  Vanguard Inst’l Index Funds       485BXT                 1:53K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
  3/7/24  Vanguard Inst’l Index Funds       485BXT                 1:52K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
  2/8/24  Vanguard Inst’l Index Funds       485BXT                 1:51K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
 1/11/24  Vanguard Inst’l Index Funds       485BXT                 2:76K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
12/14/23  Vanguard Inst’l Index Funds       485BXT                 1:47K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
11/16/23  Vanguard Inst’l Index Funds       485BXT                 1:45K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
10/19/23  Vanguard Inst’l Index Funds       485BXT                 1:44K                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund
 7/21/23  Vanguard Inst’l Index Funds       485APOS                6:3.6M                                   Donn… Fin’l/ArcFiling/FA 
          → Vanguard Extended Market Index Fund 
          → ⇒ Admiral Shares ← VEXAX 
          → ⇒ ETF Shares ← VXF 
          → ⇒ Institutional Plus Shares ← VEMPX 
          → ⇒ Institutional Select Shares ← VSEMX 
          → ⇒ Institutional Shares ← VIEIX 
          → ⇒ Investor Shares ← VEXMX 
 4/28/23‡ Vanguard Inst’l Index Funds       485BPOS©    4/28/23   17:6.3M                                   Donn… Fin’l/ArcFiling/FA 
          → Vanguard Institutional Index Fund
          → Vanguard Institutional Total Stock Market Index Fund
 4/29/22‡ Vanguard Inst’l Index Funds       485BPOS     4/29/22   19:7.3M                                   Donn… Fin’l/ArcFiling/FA 
          → Vanguard Institutional Index Fund
          → Vanguard Institutional Total Stock Market Index Fund
 4/29/21‡ Vanguard Inst’l Index Funds       485BPOS     4/29/21   32:18M                                    Donn… Fin’l/ArcFiling/FA 
          → Vanguard Institutional Index Fund
          → Vanguard Institutional Total Stock Market Index Fund

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‡	A non-Insider-Ownership Filing that was accepted after the SEC “closed” at 5:30:00pm ET.  The legal “Filed As Of” date may be the next, or another, day.
¹	Filing/Form Types:
	485APOS	Post-Effective Amendment of a Form N-1 or N-1A Registration.
	485BPOS	Post-Effective Amendment of a Form N-1 or N-1A Registration.
	485BXT	Post-Effective Amendment of a Form N-1 or N-1A Registration to Designate a New Effective Date.
	©	This Filing was a Confirming copy.
→	Fund / Series:  Fund or Series of this Filer with a Class or Contract that this Filing pertains to.
⇒	Class / Contract:  Class or Contract of this Fund or Series that this Filing pertains to.