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Phathom Pharmaceuticals, Inc. 13F holders

161 funds reported a position in Phathom Pharmaceuticals, Inc. in their 13F for the quarter ended 30 June 2026, together 72.1 million shares worth $782.1 million. Against the quarter before, 18 opened a position, 58 added, 50 trimmed and 32 sold out; together they bought a net 2.9 million shares. The largest holders: Frazier Life Sciences Management, L.P., Medicxi Ventures Management (Jersey) Ltd and BlackRock, Inc.

Funds holding161-13 on Q1 2026
Shares they held72.1Mworth $782.1 million
Net bought on the quarter2.9M sharesabout $31.6 million at the funds' values
Funds buying to selling76 to 82opened or added, to cut or sold
Opened 18Added 58Held 34Trimmed 50Sold out 32
Opened: 18 fundsAdded: 58 fundsHeld: 34 fundsTrimmed: 50 fundsSold out: 32 funds

What each fund did in PHAT against its 13F for the quarter before; a change under 0.1% of a holding counts as held

Q3 2024: 133 funds, 72.8 million shares133Q3 2024Q4 2024: 144 funds, 66.7 million shares144Q4 2024Q1 2025: 137 funds, 64.0 million shares137Q1 2025Q2 2025: 117 funds, 57.6 million shares117Q2 2025Q3 2025: 133 funds, 62.5 million shares133Q3 2025Q4 2025: 173 funds, 62.0 million shares173Q4 2025Q1 2026: 174 funds, 69.1 million shares174Q1 2026Q2 2026: 161 funds, 72.1 million shares161Q2 2026

Funds reporting a position in PHAT in their 13F, each quarter; hover a bar for the shares they held

Filed so far for the quarter to 30 September 2026

3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 23 reported a position in Phathom Pharmaceuticals, Inc.: 3 opened one, 11 added, 1 trimmed and 4 sold out, a net 1.8 million shares bought.

The largest moves in the name among the funds that have filed, against each fund's previous 13F.

The well-known funds

Of the 44 funds followed here, 7 reported a position in Phathom Pharmaceuticals, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Millennium Management, 3.4 million shares worth $36.6 million, 0.0% of its reported book. New this quarter: Point72 Asset Management. In the quarter, 3 funds added or opened a position and 4 trimmed or sold out; together they bought a net 123,348 shares, about $1.3 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Millennium Management3,375,834$36.6 million0.0%-647,075trimmed30 June 202613F
Geode Capital Management1,315,687$14.3 million0.0%-12,358trimmed30 June 202613F
Point72 Asset Management1,022,193$11.1 million0.0%+1,022,193new30 June 202613F
Two Sigma Investments519,076$5.6 million0.0%+36,940added30 June 202613F
Renaissance Technologies226,400$2.5 million0.0%-79,400trimmed30 June 202613F
Citadel Advisors184,901$2.0 million0.0%-198,157trimmed30 June 202613F
FMR LLC8,230$89,2900.0%+1,205added30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

The largest holders

FundSharesShare of allValueOf its bookChange in sharesFiling
Frazier Life Sciences Management, L.P.12,466,48917.30%$135.3 million2.95%no change13F
Medicxi Ventures Management (Jersey) Ltd7,464,57210.36%$81.0 million45.65%no change13F
BlackRock, Inc.4,525,1296.28%$49.1 million0.00%+463,13313F
Invesco Ltd.4,029,7315.59%$43.7 million0.00%-292,32913F
Carlyle Group Inc.3,496,8084.85%$37.9 million0.38%no change13F
Millennium Management LLC3,375,8344.68%$36.6 million0.03%-647,07513F
Vanguard Capital Management LLC2,656,9443.69%$28.8 million0.00%+73,30813F
GW&K Investment Management, LLC2,166,8383.01%$23.5 million0.18%+745,72913F
Franklin Resources Inc.1,970,8282.73%$21.4 million0.01%+976,32413F
NEA Management Company, LLC1,960,1692.72%$21.3 million1.34%no change13F
683 Capital Management, LLC1,850,0002.57%$20.1 million1.93%no change13F
Goldman Sachs Group Inc.1,778,0322.47%$19.3 million0.00%+1,151,83613F
State Street Corp.1,586,3232.20%$17.2 million0.00%+199,43313F
Catalys Pacific, LLC1,493,8542.07%$16.2 million7.06%no change13F
Nomura Asset Management International Inc.1,462,7382.03%$15.9 million0.02%+257,36913F
Geode Capital Management, LLC1,315,6871.83%$14.3 million0.00%-12,35813F
Wasatch Advisors LP1,307,2471.81%$14.2 million0.09%-33,66913F
Ensign Peak Advisors, Inc1,051,9131.46%$11.4 million0.02%-575,89313F
Propel Bio Management, LLC1,050,3581.46%$11.4 million5.96%+209,08613F
Point72 Asset Management, L.P.1,022,1931.42%$11.1 million0.02%new13F
Vanguard Portfolio Management LLC796,6311.11%$8.6 million0.00%+130,60213F
SummitTX Capital, L.P.789,5501.10%$8.6 million0.23%-206,33513F
HSBC Holdings PLC709,6950.98%$7.7 million0.00%new13F
Marshall Wace, LLP666,0900.92%$7.2 million0.01%-194,60213F
EcoR1 Capital, LLC625,0000.87%$6.8 million0.34%no change13F
Perceptive Advisors LLC532,0000.74%$5.8 million0.09%-393,00013F
Two Sigma Investments, LP519,0760.72%$5.6 million0.00%+36,94013F
Northern Trust Corp.458,3010.64%$5.0 million0.00%+43,34513F
StepStone Group LP422,0850.59%$4.6 million0.21%no change13F
Charles Schwab Investment Management Inc.419,0940.58%$4.5 million0.00%+10,07913F
Woodline Partners LP369,0520.51%$4.0 million0.01%no change13F
Vanguard Fiduciary Trust Co.354,5730.49%$3.8 million0.00%+15,86013F
Hennion & Walsh Asset Management, Inc.327,2780.45%$3.6 million0.10%+181,34613F
Ameriprise Financial Inc.293,9790.41%$3.2 million0.00%+39,76013F
JPMorgan Chase & Co.275,2510.38%$3.0 million0.00%-12,17913F
Simplify Asset Management Inc.249,2670.35%$2.7 million0.04%-13,11913F
Renaissance Technologies LLC226,4000.31%$2.5 million0.00%-79,40013F
Jane Street Group, LLC212,7060.30%$2.3 million0.00%new13F
UBS Group AG204,5730.28%$2.2 million0.00%-155,79813F
NewEdge Advisors, LLC203,9620.28%$2.2 million0.01%+20,96213F
Avidity Partners Management LP200,0000.28%$2.2 million0.35%-298,78013F
Morgan Stanley199,9090.28%$2.2 million0.00%+123,22813F
Jump Financial, LLC191,8660.27%$2.1 million0.02%+165,42113F
Opaleye Management Inc.185,5890.26%$2.0 million0.18%new13F
Citadel Advisors LLC184,9010.26%$2.0 million0.00%-198,15713F
Trexquant Investment LP173,8840.24%$1.9 million0.01%-119,42113F
Jones Hill Capital LP161,4860.22%$1.8 million0.37%new13F
Bank of New York Mellon Corp152,3130.21%$1.7 million0.00%+28,29513F
Wells Fargo & Company152,0020.21%$1.6 million0.00%+105,88913F
Bank of America Corp.151,0150.21%$1.6 million0.00%-57,10013F
The 50 largest of the 161 funds that reported a position in PHAT in their 13F for the quarter ended 30 June 2026, by the value each reported.
Read moreShare of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?

Options the funds reported on PHAT

FundOptionShares under the optionsValue of those sharesQuarter endedFiling
Citadel AdvisorsCalls480,800$5.2 million30 June 202613F
Citadel AdvisorsPuts31,100$337,43530 June 202613F
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
Read moreThey are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
29 July 202613GBlackRock, Inc. and 1 other4.4 million5.5%30 June 2026passive, institutional (13d-1(b))EDGAR
20 July 202613G/AMillennium Management LLC and 5 others3.4 million4.2%30 June 2026passive, under 20% (13d-1(c))EDGAR
12 March 202613GMillennium Management LLC and 5 others4.2 million5.3%6 March 2026passive, under 20% (13d-1(c))EDGAR
27 January 202613G/AIntegrated Core Strategies (US) LLC and 7 others2.1 million2.7%31 December 2025passive, under 20% (13d-1(c))EDGAR
4 November 202513D/AFrazier Life Sciences Public Fund, L.P. and 16 others6.0 million8.6%1 November 2025Item 4 is hereby amended to remove references to "FLSPOF" and the "FLSPOF Shares" from the first paragraph.EDGAR
3 November 202513G/AIntegrated Core Strategies (US) LLC and 7 others5.1 million7.1%30 September 2025passive, under 20% (13d-1(c))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13G

Fails to deliver

Settlement dateShares failedPriceFile
22 September 20261,968$7.45SEC
21 September 20265,115$7.48SEC
17 September 202637$7.69SEC
8 September 2026336$9.50SEC
27 August 2026155$8.77SEC
25 August 202621,610$8.66SEC
24 August 20262,000$8.87SEC
19 August 2026613$9.25SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 21,610 on 25 August 2026. A fail is an operational fact about settlement, not a position.