Vanguard Group
TECX

Vanguard Group’s Tectonic Therapeutic TECX Stock Holding History

Vanguard Group’s Portfolio TECX Stock Details TECX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$12.5M Buy
599,898
+30,418
+5% +$565K ﹤0.01% 2853
2025
Q3 		$8.94M Sell
569,480
-14,913
-3% -$308K ﹤0.01% 3035
2025
Q2 		$11.6M Buy
584,393
+223,225
+62% +$4.53M ﹤0.01% 2820
2025
Q1 		$6.4M Buy
361,168
+120
+0% +$3.91K ﹤0.01% 3074
2024
Q4 		$16.7M Sell
361,048
-81,766
-18% -$3.46M ﹤0.01% 2672
2024
Q3 		$13.4M Buy
442,814
+286,046
+182% +$5.23M ﹤0.01% 2808
2024
Q2 		$2.58M Sell
156,768
-2
-0% -$32 ﹤0.01% 3479
2024
Q1 		$2.41M Buy
156,770
+23,284
+17% +$369K ﹤0.01% 3533
2023
Q4 		$2.18M Buy
133,486
+2,250
+2% +$38.6K ﹤0.01% 3572
2023
Q3 		$2.43M Buy
131,236
+32,808
+33% +$580K ﹤0.01% 3520
2023
Q2 		$1.12M Hold
98,428
– – ﹤0.01% 3865
2023
Q1 		$1.18M Buy
98,428
+1,907
+2% +$26.6K ﹤0.01% 3868
2022
Q4 		$826K Buy
96,521
+78
+0.1% +$686 ﹤0.01% 3974
2022
Q3 		$743K Buy
96,443
+11,402
+13% +$127K ﹤0.01% 4090
2022
Q2 		$939K Sell
85,041
-4,390
-5% -$51.7K ﹤0.01% 4109
2022
Q1 		$1.42M Sell
89,431
-50,495
-36% -$1.04M ﹤0.01% 4094
2021
Q4 		$6.46M Sell
139,926
-3,448
-2% -$198K ﹤0.01% 3472
2021
Q3 		$9.6M Buy
143,374
+1,255
+0.9% +$103K ﹤0.01% 3267
2021
Q2 		$15.2M Sell
142,119
-14,938
-10% -$1.77M ﹤0.01% 2989
2021
Q1 		$23.9M Buy
157,057
+6,914
+5% +$1.12M ﹤0.01% 2691
2020
Q4 		$25.1M Buy
150,143
+24,922
+20% +$4.43M ﹤0.01% 2527
2020
Q3 		$19.6M Sell
125,221
-543
-0.4% -$109K ﹤0.01% 2471
2020
Q2 		$26.3M Buy
125,764
+8,754
+7% +$1.8M ﹤0.01% 2289
2020
Q1 		$21.8M Buy
117,010
+18,878
+19% +$4.45M ﹤0.01% 2242
2019
Q4 		$23.7M Buy
98,132
+958
+1% +$185K ﹤0.01% 2451
2019
Q3 		$16.5M Buy
97,174
+45,764
+89% +$10.4M ﹤0.01% 2576
2019
Q2 		$10M Buy
51,410
+5,782
+13% +$1.25M ﹤0.01% 2851
2019
Q1 		$12.1M Buy
45,628
+31,557
+224% +$5.77M ﹤0.01% 2729
2018
Q4 		$2.81M Sell
14,071
-6,491
-32% -$1.98M ﹤0.01% 3273
2018
Q3 		$12.8M Buy
20,562
+16,229
+375% +$7.2M ﹤0.01% 2800
2018
Q2 		$1.49M Buy
+4,333
New +$1.56M ﹤0.01% 3579

Other funds holding TECX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Vanguard Group's TECX Position: Q4 2025 in Review

Vanguard Group increased its Tectonic Therapeutic (TECX) stake by 5.3% in Q4 2025, buying an estimated $565K and bringing the position to 599,898 shares worth $12.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2853.

Vanguard Group first reported a position in TECX in Q2 2018 and has held it in 31 quarters since. The position peaked at $26.3M in Q2 2020. 105 funds tracked by Wall St. Rank hold TECX as of Q4 2025.

  • Vanguard Group held 599,898 shares of Tectonic Therapeutic worth $12.5M as of Q4 2025.
  • Vanguard Group bought 30,418 Tectonic Therapeutic shares in Q4 2025, an estimated $565K.
  • Tectonic Therapeutic made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2853 holding.
  • Vanguard Group first reported a position in Tectonic Therapeutic in Q2 2018 and has held it in 31 quarters since.
  • Vanguard Group's Tectonic Therapeutic position peaked at $26.3M in Q2 2020.
  • 105 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.