BlackRock
PMMF

BlackRock’s iShares Prime Money Market ETF PMMF Stock Holding History

BlackRock’s Portfolio PMMF Stock Details PMMF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$101M Hold
1,000,000
– – ﹤0.01% 2107
2025
Q4 		$100M Hold
1,000,000
– – ﹤0.01% 2109
2025
Q3 		$101M Hold
1,000,000
– – ﹤0.01% 2098
2025
Q2 		$100M Hold
1,000,000
– – ﹤0.01% 2044
2025
Q1 		$100M Buy
+1,000,000
New +$100M ﹤0.01% 1985

Other funds holding PMMF

SA
Stewardship Advisors Mount Joy, Pennsylvania $481M AUM 18.41% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
Cambridge Investment Research Advisors
Cambridge Investment Research Advisors Fairfield, Iowa $44.6B AUM 28.94% 1-Year Est. Return
SCA
Sulzberger Capital Advisors Miami, Florida $102M AUM 16.79% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
MCC
Money Concepts Capital Palm Beach Gardens, Florida $1.81B AUM 21.93% 1-Year Est. Return
1CP
17 Capital Partners Pheonix, Arizona $194M AUM 16.84% 1-Year Est. Return
HFAS
Hummer Financial Advisory Services Chicago, Illinois $152M AUM 20.1% 1-Year Est. Return
PIP
Philadelphia Investment Partners Voorhees, New Jersey $147M AUM
CS
Capital Square Chattanooga, Tennessee $217M AUM 13.95% 1-Year Est. Return

BlackRock's PMMF Position: Q1 2026 in Review

BlackRock held its iShares Prime Money Market ETF (PMMF) position steady in Q1 2026 at 1,000,000 shares worth $101M. The position accounts for ﹤0.01% of the portfolio, ranked #2107.

BlackRock first reported a position in PMMF in Q1 2025 and has held it in 5 quarters since. The position peaked at $101M in Q3 2025. 29 funds tracked by Wall St. Rank hold PMMF as of Q1 2026.

  • BlackRock held 1,000,000 shares of iShares Prime Money Market ETF worth $101M as of Q1 2026.
  • BlackRock left its iShares Prime Money Market ETF share count unchanged in Q1 2026.
  • iShares Prime Money Market ETF made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2107 holding.
  • BlackRock first reported a position in iShares Prime Money Market ETF in Q1 2025 and has held it in 5 quarters since.
  • BlackRock's iShares Prime Money Market ETF position peaked at $101M in Q3 2025.
  • 29 funds tracked by Wall St. Rank held iShares Prime Money Market ETF as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.