California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Phathom Pharmaceuticals PHAT Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio PHAT Stock Details PHAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$562K Buy
51,787
+11,565
+29% +$132K ﹤0.01% 2131
2026
Q1 		$447K Buy
40,222
+79
+0.2% +$998 ﹤0.01% 2103
2025
Q4 		$666K Buy
40,143
+37,252
+1,289% +$532K ﹤0.01% 1971
2025
Q3 		$34K Buy
2,891
+2
+0.1% +$21 ﹤0.01% 2368
2025
Q2 		$27.7K Sell
2,889
-32,373
-92% -$179K ﹤0.01% 2406
2025
Q1 		$221K Hold
35,262
– – ﹤0.01% 2292
2024
Q4 		$286K Buy
35,262
+1
+0% +$12 ﹤0.01% 2300
2024
Q3 		$638K Buy
35,261
+6,210
+21% +$86.8K ﹤0.01% 2011
2024
Q2 		$299K Buy
29,051
+104
+0.4% +$1.07K ﹤0.01% 2300
2024
Q1 		$307K Sell
28,947
-1,643
-5% -$14K ﹤0.01% 2343
2023
Q4 		$279K Sell
30,590
-396
-1% -$3.41K ﹤0.01% 2404
2023
Q3 		$321K Sell
30,986
-6,085
-16% -$83.5K ﹤0.01% 2392
2023
Q2 		$531K Buy
37,071
+11,541
+45% +$133K ﹤0.01% 2275
2023
Q1 		$182K Buy
25,530
+446
+2% +$3.92K ﹤0.01% 2589
2022
Q4 		$281K Buy
25,084
+864
+4% +$8.91K ﹤0.01% 2544
2022
Q3 		$268K Sell
24,220
-710
-3% -$6.76K ﹤0.01% 2563
2022
Q2 		$210K Buy
24,930
+4,305
+21% +$44.3K ﹤0.01% 2660
2022
Q1 		$281K Sell
20,625
-2,224
-10% -$35.9K ﹤0.01% 2580
2021
Q4 		$449K Buy
22,849
+376
+2% +$8.85K ﹤0.01% 2548
2021
Q3 		$721K Sell
22,473
-5,465
-20% -$182K ﹤0.01% 2322
2021
Q2 		$946K Buy
27,938
+10,475
+60% +$375K ﹤0.01% 2244
2021
Q1 		$656K Buy
17,463
+1,269
+8% +$53.1K ﹤0.01% 2396
2020
Q4 		$538K Sell
16,194
-435
-3% -$17.6K ﹤0.01% 2392
2020
Q3 		$610K Hold
16,629
– – ﹤0.01% 2160
2020
Q2 		$547K Hold
16,629
– – ﹤0.01% 2200
2020
Q1 		$429K Buy
16,629
+192
+1% +$6.42K ﹤0.01% 2138
2019
Q4 		$512K Buy
+16,437
New +$413K ﹤0.01% 2340

Other funds holding PHAT

Frazier Life Sciences Management
Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return
MVM
Medicxi Ventures Management St. Helier, Jersey $177M AUM 212.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Carlyle Group
Carlyle Group Washington, District of Columbia $10B AUM 10.61% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GW&K Investment Management
GW&K Investment Management Boston, Massachusetts $12.8B AUM 48.82% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s PHAT Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) increased its Phathom Pharmaceuticals (PHAT) stake by 29% in Q2 2026, buying an estimated $132K and bringing the position to 51,787 shares worth $562K. The position accounts for ﹤0.01% of the portfolio, ranked #2131.

California State Teachers Retirement System (CalSTRS) first reported a position in PHAT in Q4 2019 and has held it in 27 quarters since. The position peaked at $946K in Q2 2021. 161 funds tracked by Wall St. Rank hold PHAT as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 51,787 shares of Phathom Pharmaceuticals worth $562K as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) bought 11,565 Phathom Pharmaceuticals shares in Q2 2026, an estimated $132K.
  • Phathom Pharmaceuticals made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #2131 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Phathom Pharmaceuticals in Q4 2019 and has held it in 27 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Phathom Pharmaceuticals position peaked at $946K in Q2 2021.
  • 161 funds tracked by Wall St. Rank held Phathom Pharmaceuticals as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.