Guardian Phrmcy Services-AGRDN
13F holders, Q1 2026 (March 31)171holders +42
53new positions
13sold out
6famous investors
$37.65avg. 13F price*
At the end of Q1 2026, 171 institutions reported holding Guardian Phrmcy Services-A (GRDN) in their 13F filings, up 42 from Q4 2025. 53 opened new positions and 13 sold out. The largest holders were FMR LLC ($88.9M), Wellington Management Group LLP ($66.5M) and BlackRock, Inc. ($66.1M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Guardian Phrmcy Services-A
- CUSIP
- 40145W101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 53 | $166.4M |
| Exits | 13 | $3.2M |
All 13F filers, Q4 2025 → Q1 2026: 9,964,517 shares bought and 1,896,473 shares sold, net +8,068,044 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 171 holders
| FMR LLC | 0.00% | Add +129677.6% | 2,359,357 | $88.9M |
| Wellington Management Group LLP | 0.01% | Add +57.2% | 1,765,119 | $66.5M |
| BlackRock, Inc. | 0.00% | Add +0.8% | 1,756,374 | $66.1M |
| Woodline Partners LP | 0.19% | Add +23.9% | 1,306,318 | $49.2M |
| Brown Advisory Inc. | 0.08% | Reduce -23.1% | 1,259,174 | $47.4M |
| Vanguard Capital Management LLC | 0.00% | — | 1,225,543 | $46.2M |
| Valiant Capital Management, L.P. | 3.52% | Reduce -3.7% | 1,186,658 | $44.7M |
| TimesSquare Capital Management, LLC | 0.69% | Add +2.8% | 1,077,474 | $40.6M |
| T. Rowe Price Investment Management, Inc. | 0.03% | New | 1,028,389 | $38.7M |
| Boston Partners | 0.04% | Reduce -3.5% | 1,017,683 | $38.4M |
| Franklin Resources Inc. | 0.01% | Reduce -3.9% | 952,952 | $35.9M |
| Loomis Sayles & Co. L P | 0.05% | Add +46.6% | 931,689 | $35.1M |
| Jennison Associates LLC | 0.02% | Add +609.5% | 822,784 | $31.0M |
| Boone Capital Management LLC | 7.28% | New | 631,193 | $23.8M |
| Driehaus Capital Management LLC | 0.16% | Add +16.3% | 589,121 | $22.2M |
| Citadel Advisors | 0.02% | New | 579,121 | $21.8M |
| Geode Capital Management, LLC | 0.00% | Add +13.9% | 559,035 | $21.1M |
| Nuveen, LLC | 0.01% | Reduce -16.3% | 537,451 | $20.2M |
| State Street Corp. | 0.00% | Add +10.5% | 509,018 | $19.2M |
| Aristotle Capital Boston, LLC | 1.16% | Reduce -15.8% | 495,856 | $18.7M |
| Marshall Wace, LLP | 0.02% | New | 417,710 | $15.7M |
| Silvercrest Asset Management Group LLC | 0.10% | Reduce -51.5% | 374,946 | $14.1M |
| Sei Investments Co. | 0.01% | Add +40.5% | 358,181 | $13.5M |
| Two Sigma Investments, LP | 0.01% | Add +109.1% | 312,675 | $11.8M |
| Alyeska Investment Group, L.P. | 0.03% | New | 275,000 | $10.4M |
| Raymond James Financial Inc. | 0.00% | New | 261,019 | $9.7M |
| Vanguard Portfolio Management LLC | 0.00% | — | 248,513 | $9.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +200.0% | 208,594 | $7.9M |
| Clearbridge Investments, LLC | 0.01% | Reduce -3.1% | 202,815 | $7.6M |
| Peregrine Capital Management LLC | 0.28% | Reduce -8.8% | 201,603 | $7.6M |
| Seven Grand Managers, LLC | 0.50% | Add +100.0% | 200,000 | $7.5M |
| Acadian Asset Management LLC | 0.01% | Add +66.2% | 195,072 | $7.3M |
| Northern Trust Corp. | 0.00% | Reduce -20.5% | 189,249 | $7.1M |
| Lisanti Capital Growth, LLC | 1.79% | New | 188,150 | $7.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 173,159 | $6.5M |
| Ranger Investment Management, L.P. | 0.46% | Reduce -0.3% | 167,190 | $6.3M |
| Trexquant Investment LP | 0.04% | Add +78.8% | 163,020 | $6.1M |
| J. Goldman & Co LP | 0.28% | Add +57.8% | 159,572 | $6.0M |
| Lazard Asset Management LLC | 0.01% | Reduce -12.1% | 147,502 | $5.6M |
| Hudson Bay Capital Management LP | 0.04% | New | 141,840 | $5.3M |
| Allspring Global Investments Holdings, LLC | 0.01% | Reduce -5.3% | 136,012 | $5.1M |
| Bank of America Corp. | 0.00% | Add +86.1% | 128,048 | $4.8M |
| Ghisallo Capital Management LLC | 0.13% | Add +150.0% | 125,000 | $4.7M |
| Morgan Stanley | 0.00% | Reduce -20.0% | 116,968 | $4.4M |
| Jane Street Group, LLC | 0.00% | New | 115,576 | $4.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +13.3% | 114,726 | $4.3M |
| Russell Investments Group, Ltd. | 0.00% | Add +15.8% | 105,434 | $4.0M |
| Renaissance Technologies | 0.01% | Reduce -17.8% | 99,989 | $3.8M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -30.0% | 98,172 | $3.7M |
| First Trust Advisors LP | 0.00% | New | 93,677 | $3.5M |
| CSM Advisors, LLC | 0.08% | Reduce -20.9% | 91,770 | $3.5M |
| Royce & Associates LP | 0.03% | Reduce -53.2% | 87,096 | $3.3M |
| Qube Research & Technologies Ltd | 0.00% | Add +63.7% | 79,332 | $3.0M |
| Bessemer Group Inc. | 0.00% | New | 78,656 | $3.0M |
| D. E. Shaw & Co. | 0.00% | Reduce -12.5% | 75,683 | $2.9M |
| Bank of New York Mellon Corp | 0.00% | Add +3.2% | 69,432 | $2.6M |
| Legato Capital Management LLC | 0.20% | New | 58,890 | $2.2M |
| Kiker Wealth Management, LLC | 1.03% | New | 57,027 | $2.1M |
| Inspire Investing, LLC | 0.11% | New | 49,565 | $1.9M |
| Susquehanna International Group, LLP | 0.00% | Add +371.2% | 49,304 | $1.9M |
| Swiss National Bank | 0.00% | Add +22.9% | 48,300 | $1.8M |
| Jain Global LLC | 0.02% | New | 47,065 | $1.8M |
| Globeflex Capital L P | 0.25% | No change | 44,354 | $1.7M |
| Kornitzer Capital Management Inc. | 0.03% | Reduce -9.6% | 41,786 | $1.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Add +79.1% | 38,185 | $1.4M |
| Squarepoint Ops LLC | 0.00% | New | 36,360 | $1.4M |
| Sanctuary Advisors, LLC | 0.01% | New | 35,901 | $1.4M |
| JPMorgan Chase & Co. | 0.00% | Add +75.0% | 35,476 | $1.3M |
| UBS Group AG | 0.00% | Add +69.8% | 30,735 | $1.2M |
| Great Lakes Advisors, LLC | 0.01% | Reduce -8.7% | 30,708 | $1.2M |
| Principal Financial Group Inc. | 0.00% | New | 30,389 | $1.1M |
| Maven Securities LTD | 0.07% | New | 30,000 | $1.1M |
| Credit Agricole S A | 0.00% | No change | 30,000 | $1.1M |
| Millennium Management | 0.00% | Reduce -83.8% | 27,194 | $1.0M |
| Engineers Gate Manager LP | 0.01% | Reduce -54.1% | 26,593 | $1.0M |
| TD Asset Management Inc | 0.00% | New | 25,864 | $974K |
| Rhumbline Advisers | 0.00% | Add +2.2% | 25,700 | $968K |
| Teachers Retirement System of the State of Kentucky | 0.01% | New | 24,800 | $934K |
| Los Angeles Capital Management LLC | 0.00% | Add +67.5% | 24,478 | $922K |
| Quadrature Capital Ltd | 0.01% | New | 23,522 | $886K |
| Dark Forest Capital Management LP | 0.08% | New | 22,978 | $865K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +97.2% | 22,785 | $858K |
| American Century Companies Inc. | 0.00% | New | 21,125 | $796K |
| Hussman Strategic Advisors, Inc. | 0.17% | New | 21,000 | $791K |
| Sterling Capital Management LLC | 0.01% | Reduce -70.4% | 20,404 | $768K |
| Deutsche Bank AG | 0.00% | Reduce -3.3% | 19,340 | $728K |
| Legal & General Group Plc | 0.00% | Reduce -11.4% | 18,664 | $703K |
| California State Teachers Retirement System | 0.00% | Reduce -0.9% | 17,814 | $671K |
| Wells Fargo & Company | 0.00% | Reduce -29.1% | 17,486 | $659K |
| Occudo Quantitative Strategies LP | 0.04% | Reduce -43.4% | 17,693 | $656K |
| LPL Financial LLC | 0.00% | Add +0.3% | 16,548 | $623K |
| T. Rowe Price Associates Inc. | 0.00% | Add +36.0% | 16,164 | $609K |
| Gotham Asset Management | 0.00% | Add +26.4% | 15,988 | $602K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 14,749 | $555K |
| Jackson Creek Investment Advisors LLC | 0.16% | Reduce -0.2% | 14,551 | $548K |
| Alliancebernstein L.P. | 0.00% | No change | 18,000 | $542K |
| Invesco Ltd. | 0.00% | Reduce -4.7% | 13,515 | $509K |
| Mangrove Partners Im, LLC | 0.04% | New | 13,249 | $499K |
| AQR Capital Management | 0.00% | New | 13,034 | $491K |
| Janus Henderson Group PLC | 0.00% | Reduce -72.2% | 13,000 | $490K |
"% of holder's portfolio" is GRDN's weight in each manager's 13F, not the share of Guardian Phrmcy Services-A the manager owns.