Mariner
TWST icon

Mariner’s Twist Bioscience TWST Stock Holding History

Mariner’s Portfolio TWST Stock Details TWST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.9M Buy
18,421
+1,450
+9% +$94.4K ﹤0.01% 1522
2026
Q1 		$806K Buy
16,971
+10,045
+145% +$450K ﹤0.01% 2123
2025
Q4 		$220K Sell
6,926
-1,557
-18% -$48.6K ﹤0.01% 3097
2025
Q3 		$239K Buy
8,483
+134
+2% +$4.06K ﹤0.01% 3010
2025
Q2 		$307K Sell
8,349
-3,069
-27% -$106K ﹤0.01% 2709
2025
Q1 		$449K Sell
11,418
-141
-1% -$6.35K ﹤0.01% 2297
2024
Q4 		$537K Buy
11,559
+2,812
+32% +$127K ﹤0.01% 2139
2024
Q3 		$397K Buy
8,747
+2,231
+34% +$106K ﹤0.01% 2333
2024
Q2 		$321K Sell
6,516
-4,438
-41% -$181K ﹤0.01% 2394
2024
Q1 		$376K Buy
10,954
+3,602
+49% +$130K ﹤0.01% 2248
2023
Q4 		$271K Buy
+7,352
New +$170K ﹤0.01% 2437
2022
Q4 		– Sell
-9,471
Closed -$334K – 2841
2022
Q3 		$334K Buy
+9,471
New +$402K ﹤0.01% 1700

Other funds holding TWST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $13.2B AUM 32.43% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Mariner's TWST Position: Q2 2026 in Review

Mariner increased its Twist Bioscience (TWST) stake by 8.5% in Q2 2026, buying an estimated $94.4K and bringing the position to 18,421 shares worth $1.9M. The position accounts for ﹤0.01% of the portfolio, ranked #1522.

Mariner first reported a position in TWST in Q3 2022 and has held it in 12 quarters since. 338 funds tracked by Wall St. Rank hold TWST as of Q2 2026.

  • Mariner held 18,421 shares of Twist Bioscience worth $1.9M as of Q2 2026.
  • Mariner bought 1,450 Twist Bioscience shares in Q2 2026, an estimated $94.4K.
  • Twist Bioscience made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1522 holding.
  • Mariner first reported a position in Twist Bioscience in Q3 2022 and has held it in 12 quarters since.
  • 338 funds tracked by Wall St. Rank held Twist Bioscience as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.