Vanguard Portfolio Management
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Vanguard Portfolio Management’s Calix CALX Stock Holding History

Vanguard Portfolio Management’s Portfolio CALX Stock Details CALX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$209M Buy
5,588,048
+54,294
+1% +$2.28M 0.01% 1186
2026
Q1 		$271M Buy
+5,533,754
New +$290M 0.01% 964

Other funds holding CALX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Vanguard Portfolio Management's CALX Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Calix (CALX) stake by 0.98% in Q2 2026, buying an estimated $2.28M and bringing the position to 5,588,048 shares worth $209M. The position accounts for 0.01% of the portfolio, ranked #1186.

Vanguard Portfolio Management first reported a position in CALX in Q1 2026 and has held it in 2 quarters since. The position peaked at $271M in Q1 2026. 261 funds tracked by Wall St. Rank hold CALX as of Q2 2026.

  • Vanguard Portfolio Management held 5,588,048 shares of Calix worth $209M as of Q2 2026.
  • Vanguard Portfolio Management bought 54,294 Calix shares in Q2 2026, an estimated $2.28M.
  • Calix made up 0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1186 holding.
  • Vanguard Portfolio Management first reported a position in Calix in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's Calix position peaked at $271M in Q1 2026.
  • 261 funds tracked by Wall St. Rank held Calix as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.