HEALTHSTREAM INC (HSTM) Top Institutional Shareholders
HEALTHSTREAM INC (HSTM) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $420.05M in HSTM holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of HSTM tracked by InsiderSet, reporting ownership valued at approximately $79.77M in its March 31, 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 $100.15M, representing an estimated gain of +25.54% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed HSTM value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Copeland Capital Management, Llc, and several other long-term asset managers with concentrated positions in HEALTHSTREAM INC (HSTM).
This page ranks the largest institutional HSTM 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
195
Total Reported Value
$420.05M
Largest Holder
Blackrock, Inc.
Largest Position
$79.77M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
171
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% | 3,851,929 | $79,773,451 | $100,150,154 | +$20,376,703 | +25.54% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,456,043 | $30,156,022 | $37,857,118 | +$7,701,096 | +25.54% | |
| Copeland Capital Management, Llc | 0.59% | 1,276,739 | $26,441,281 | $33,195,214 | +$6,753,933 | +25.54% | |
| Vanguard Capital Management Llc | 0.00% | 1,047,927 | $21,702,568 | $27,246,102 | +$5,543,534 | +25.54% | |
| State Street Corp | 0.00% | 995,557 | $20,617,985 | $25,884,482 | +$5,266,497 | +25.54% | |
| Vanguard Portfolio Management Llc | 0.00% | 921,846 | $19,091,431 | $23,967,996 | +$4,876,565 | +25.54% | |
| Two Sigma Investments, Lp | 0.01% | 844,420 | $17,487,938 | $21,954,920 | +$4,466,982 | +25.54% | |
| Geode Capital Management, Llc | 0.00% | 714,747 | $14,804,216 | $18,583,422 | +$3,779,206 | +25.53% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 477,848 | $9,896,232 | $12,424,048 | +$2,527,816 | +25.54% |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.01% | 425,698 | $8,816,206 | $11,068,148 | +$2,251,942 | +25.54% |
| Arrowstreet Capital, Limited Partnership | 0.00% | 377,945 | $7,827,241 | $9,826,570 | +$1,999,329 | +25.54% | |
| Morgan Stanley | 0.00% | 368,986 | $7,641,734 | $9,593,636 | +$1,951,902 | +25.54% | |
| Northern Trust Corp | 0.00% | 361,677 | $7,490,329 | $9,403,602 | +$1,913,273 | +25.54% | |
| Robeco Institutional Asset Management B.V. | 0.01% | 313,359 | $6,489,664 | $8,147,334 | +$1,657,670 | +25.54% | |
| Jacobs Levy Equity Management, Inc | 0.03% | 288,179 | $5,968,187 | $7,492,654 | +$1,524,467 | +25.54% | |
| Goldman Sachs Group Inc | 0.00% | 274,458 | $5,684,032 | $7,135,908 | +$1,451,876 | +25.54% | |
| Charles Schwab Investment Management Inc | 0.00% | 265,644 | $5,501,487 | $6,906,744 | +$1,405,257 | +25.54% | |
| Invenomic Capital Management Lp | 0.23% | 240,370 | $4,978,063 | $6,249,620 | +$1,271,557 | +25.54% | |
| Bank Of New York Mellon Corp | 0.00% | 223,637 | $4,631,521 | $5,814,562 | +$1,183,041 | +25.54% | |
| Creative Planning | 0.00% | 218,186 | $4,518,632 | $5,672,836 | +$1,154,204 | +25.54% | |
| Panagora Asset Management Inc | 0.02% | 215,229 | $4,457,393 | $5,595,954 | +$1,138,561 | +25.54% | |
| Envestnet Asset Management Inc | 0.00% | 199,631 | $4,134,357 | $5,190,406 | +$1,056,049 | +25.54% | |
| Kennedy Capital Management Llc | 0.09% | 195,241 | $4,043,441 | $5,076,266 | +$1,032,825 | +25.54% | |
| Invesco Ltd. | 0.00% | 177,679 | $3,679,732 | $4,619,654 | +$939,922 | +25.54% | |
| Millennium Management Llc | 0.00% | 175,630 | $3,637,297 | $4,566,380 | +$929,083 | +25.54% | |
| Fmr Llc | 0.00% | 175,150 | $3,627,363 | $4,553,900 | +$926,537 | +25.54% | |
| Vanguard Fiduciary Trust Co | 0.00% | 161,294 | $3,340,399 | $4,193,644 | +$853,245 | +25.54% | |
| Lazard Asset Management Llc | 0.01% | 157,208 | $3,255,778 | $4,087,408 | +$831,630 | +25.54% | |
| Principal Financial Group Inc | 0.00% | 152,382 | $3,155,830 | $3,961,932 | +$806,102 | +25.54% | |
| Teacher Retirement System Of Texas | 0.01% | 151,183 | $3,130,999 | $3,930,758 | +$799,759 | +25.54% | |
| Herald Investment Management Ltd | 0.43% | 150,000 | $3,108,000 | $3,900,000 | +$792,000 | +25.48% | |
| Sei Investments Co | 0.00% | 146,400 | $3,031,781 | $3,806,400 | +$774,619 | +25.55% | |
| Bank Of America Corp | 0.00% | 131,563 | $2,724,670 | $3,420,638 | +$695,968 | +25.54% | |
| Numerai Gp Llc | 0.26% | 123,627 | $2,560,315 | $3,214,302 | +$653,987 | +25.54% | |
| Ubs Group Ag | 0.00% | 111,820 | $2,315,792 | $2,907,320 | +$591,528 | +25.54% | |
| Public Sector Pension Investment Board | 0.01% | 107,436 | $2,225,000 | $2,793,336 | +$568,336 | +25.54% | |
| Connors Investor Services Inc | 0.19% | 98,119 | $2,032,044 | $2,551,094 | +$519,050 | +25.54% | |
| Ameriprise Financial Inc | 0.00% | 96,979 | $2,008,436 | $2,521,454 | +$513,018 | +25.54% | |
| Jane Street Group, Llc | 0.00% | 95,704 | $1,982,030 | $2,488,304 | +$506,274 | +25.54% | |
| Engineers Gate Manager Lp | 0.02% | 88,758 | $1,838,178 | $2,307,708 | +$469,530 | +25.54% | |
| Pinnacle Financial Partners, Inc. | 0.01% | 82,997 | $1,718,868 | $2,157,922 | +$439,054 | +25.54% | |
| Stifel Financial Corp | 0.00% | 80,636 | $1,669,972 | $2,096,536 | +$426,564 | +25.54% | |
| Royal Bank Of Canada | 0.00% | 80,265 | $1,662,000 | $2,086,890 | +$424,890 | +25.56% | |
| Citadel Advisors Llc | 0.00% | 78,765 | $1,631,223 | $2,047,890 | +$416,667 | +25.54% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.00% | 76,202 | $1,578,143 | $1,981,252 | +$403,109 | +25.54% | |
| Globeflex Capital L P | 0.23% | 72,988 | $1,511,581 | $1,897,688 | +$386,107 | +25.54% | |
| Cerity Partners Llc | 0.00% | 70,705 | $1,464,299 | $1,838,330 | +$374,031 | +25.54% | |
| Cambiar Investors Llc | 0.06% | 67,229 | $1,392,313 | $1,747,954 | +$355,641 | +25.54% | |
| Rhumbline Advisers | 0.00% | 66,356 | $1,374,211 | $1,725,256 | +$351,045 | +25.55% | |
| Campbell & Co Investment Adviser Llc | 0.07% | 63,233 | $1,309,555 | $1,644,058 | +$334,503 | +25.54% |
Frequently asked questions about HSTM
Who owns the most HSTM stock?
The largest holders of HSTM 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 HEALTHSTREAM INC (HSTM).
Is HSTM widely held by superinvestors?
Many widely followed stocks like HSTM appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly HSTM 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.