ISHRS PRIME MMKT ETF (PMMF) Institutional Shareholders
ISHRS PRIME MMKT ETF (PMMF) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $163.28M in PMMF holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of PMMF tracked by InsiderSet, reporting ownership valued at approximately $100.31M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $100.27M, representing an estimated loss of -0.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 88% of the total disclosed PMMF value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Td Waterhouse Canada Inc., Royal Bank Of Canada, and several other long-term asset managers with concentrated positions in ISHRS PRIME MMKT ETF (PMMF).
This page ranks the largest institutional PMMF shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
39
Total Reported Value
$163.28M
Largest Holder
Blackrock, Inc.
Largest Position
$100.31M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
47
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 1,000,000 | $100,310,000 | $100,270,000 | -$40,000 | -0.04% | |
| Td Waterhouse Canada Inc. | 0.03% | 100,239 | $10,048,990 | $10,050,965 | +$1,975 | +0.02% | |
| Royal Bank Of Canada | 0.00% | 86,552 | $8,682,000 | $8,678,569 | -$3,431 | -0.04% | |
| Tower Research Capital Llc (Trc) | 0.14% | 56,591 | $5,676,643 | $5,674,380 | -$2,263 | -0.04% | |
| Stewardship Advisors, Llc | 1.06% | 50,867 | $5,102,469 | $5,100,434 | -$2,035 | -0.04% | |
| Sulzberger Capital Advisors, Inc. | 4.66% | 47,629 | $4,777,665 | $4,775,760 | -$1,905 | -0.04% | |
| 17 Capital Partners, Llc | 1.18% | 26,042 | $2,612,273 | $2,611,231 | -$1,042 | -0.04% | |
| Capital Square, Llc | 1.06% | 23,950 | $2,401,706 | $2,401,467 | -$240 | -0.01% | |
| Hrt Financial Lp | 0.00% | 22,249 | $2,231,000 | $2,230,907 | -$93 | -0.00% | |
| Hudock, Inc. | 0.28% | 21,431 | $2,149,768 | $2,148,886 | -$882 | -0.04% | |
| Independent Financial Group, Llc | 0.04% | 18,843 | $1,890,158 | $1,889,388 | -$770 | -0.04% | |
| Uptick Partners, Llc | 0.29% | 18,780 | $1,883,775 | $1,883,071 | -$704 | -0.04% | |
| Philadelphia Investment Partners, Llc | 1.12% | 17,915 | $1,796,924 | $1,796,337 | -$587 | -0.03% | |
| Hummer Financial Advisory Services Inc | 1.06% | 16,000 | $1,604,960 | $1,604,320 | -$640 | -0.04% | |
| Sanctuary Advisors, Llc | 0.01% | 15,947 | $1,599,689 | $1,599,006 | -$683 | -0.04% | |
| Cibc Asset Management Inc | 0.00% | 12,686 | $1,272,533 | $1,272,025 | -$508 | -0.04% | |
| Bank Of Montreal | 0.00% | 10,303 | $1,033,494 | $1,033,082 | -$412 | -0.04% | |
| National Bank Of Canada | 0.00% | 10,298 | $1,032,992 | $1,032,580 | -$412 | -0.04% | |
| Newedge Advisors, Llc | 0.00% | 9,014 | $904,224 | $903,834 | -$390 | -0.04% | |
| Vestgen Advisors, Llc | 0.03% | 8,587 | $861,362 | $861,018 | -$344 | -0.04% | |
| Butensky & Cohen Financial Security, Inc | 0.19% | 7,671 | $769,467 | $769,171 | -$296 | -0.04% | |
| Cary Street Partners Financial Llc | 0.02% | 7,319 | $734,169 | $733,876 | -$293 | -0.04% | |
| Scotia Capital Inc. | 0.00% | 5,742 | $575,983 | $575,750 | -$233 | -0.04% | |
| Stifel Financial Corp | 0.00% | 5,663 | $568,056 | $567,829 | -$227 | -0.04% | |
| Integrity Alliance, Llc. | 0.01% | 4,400 | $441,364 | $441,188 | -$176 | -0.04% | |
| Stephens Inc | 0.00% | 4,340 | $435,345 | $435,172 | -$173 | -0.04% | |
| Kestra Advisory Services, Llc | 0.00% | 3,125 | $313,469 | $313,344 | -$125 | -0.04% | |
| Cetera Investment Advisers | 0.00% | 2,802 | $281,096 | $280,957 | -$139 | -0.05% | |
| Flow Traders U.S. Llc | 0.01% | 2,575 | $258,000 | $258,195 | +$195 | +0.08% | |
| Stonex Group Inc. | 0.01% | 2,536 | $254,372 | $254,285 | -$87 | -0.03% | |
| Two Sigma Securities, Llc | 0.02% | 2,448 | $245,559 | $245,461 | -$98 | -0.04% | |
| Summit Financial, Llc | 0.00% | 2,252 | $225,898 | $225,808 | -$90 | -0.04% | |
| Steward Partners Investment Advisory, Llc | 0.00% | 1,092 | $109,539 | $109,495 | -$44 | -0.04% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.00% | 971 | $97,401 | $97,362 | -$39 | -0.04% | |
| Capital Investment Advisory Services, Llc | 0.00% | 491 | $49,252 | $49,233 | -$19 | -0.04% | |
| Cambridge Investment Research Advisors, Inc. | 0.05% | 205,530 | $20,617 | $20,608,493 | +$20,587,876 | +99858.74% | |
| Red Tortoise Llc | 0.01% | 192 | $19,296 | $19,252 | -$44 | -0.23% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 47 | $4,715 | $4,713 | -$2 | -0.05% | |
| Wells Fargo & Company/Mn | 0.00% | 2 | $165 | $201 | +$36 | +21.54% |
Frequently asked questions about PMMF
Who owns the most PMMF stock?
The largest holders of PMMF are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ISHRS PRIME MMKT ETF (PMMF).
Is PMMF widely held by superinvestors?
Many widely followed stocks like PMMF appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly PMMF is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.