Rafferty Asset Management’s Twist Bioscience TWST Stock Holding History

Rafferty Asset Management’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	$4.19M	Sell	40,732 -55,523	-58%	-$3.61M	0.01%	400
2026 Q1	$4.57M	Sell	96,255 -18,003	-16%	-$807K	0.02%	413
2025 Q4	$3.62M	Sell	114,258 -10	-0%	-$312	0.01%	518
2025 Q3	$3.22M	Buy	114,268 +38,608	+51%	+$1.17M	0.01%	534
2025 Q2	$2.78M	Sell	75,660 -23,624	-24%	-$816K	0.01%	529
2025 Q1	$3.9M	Buy	99,284 +5,965	+6%	+$269K	0.02%	422
2024 Q4	$4.34M	Sell	93,319 -45,786	-33%	-$2.07M	0.02%	444
2024 Q3	$6.28M	Buy	139,105 +36,028	+35%	+$1.71M	0.02%	365
2024 Q2	$5.08M	Sell	103,077 -141,015	-58%	-$5.75M	0.02%	410
2024 Q1	$8.37M	Buy	244,092 +14,483	+6%	+$523K	0.03%	336
2023 Q4	$8.46M	Sell	229,609 -109,317	-32%	-$2.53M	0.04%	325
2023 Q3	$6.87M	Sell	338,926 -74,745	-18%	-$1.64M	0.04%	328
2023 Q2	$8.46M	Sell	413,671 -17,397	-4%	-$261K	0.05%	248
2023 Q1	$6.5M	Buy	431,068 +100,718	+30%	+$2.22M	0.04%	315
2022 Q4	$7.87M	Buy	330,350 +173,102	+110%	+$5.02M	0.07%	269
2022 Q3	$5.54M	Buy	157,248 +14,618	+10%	+$621K	0.06%	319
2022 Q2	$4.99M	Buy	142,630 +20,532	+17%	+$727K	0.05%	277
2022 Q1	$6.03M	Buy	122,098 +58,645	+92%	+$3.25M	0.04%	327
2021 Q4	$4.91M	Buy	63,453 +37,791	+147%	+$3.88M	0.03%	393
2021 Q3	$2.75M	Buy	25,662 +2,907	+13%	+$333K	0.02%	532
2021 Q2	$3.03M	Sell	22,755 -799	-3%	-$92.9K	0.02%	497
2021 Q1	$2.92M	Buy	23,554 +16,973	+258%	+$2.58M	0.02%	513
2020 Q4	$930K	Sell	6,581 -25,161	-79%	-$2.79M	0.01%	525
2020 Q3	$2.41M	Buy	31,742 +14,113	+80%	+$879K	0.03%	362
2020 Q2	$799K	Buy	+17,629	New	+$633K	0.01%	605
2020 Q1	–	Sell	-23,258	Closed	-$488K	–	796
2019 Q4	$488K	Sell	23,258 -21,488	-48%	-$503K	0.01%	691
2019 Q3	$1.07M	Buy	44,746 +22,117	+98%	+$643K	0.02%	520
2019 Q2	$656K	Buy	+22,629	New	+$599K	0.01%	637

Other funds holding TWST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return

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 Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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 Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Rafferty Asset Management's TWST Position: Q2 2026 in Review

Rafferty Asset Management reduced its Twist Bioscience (TWST) stake by 58% in Q2 2026, selling an estimated $3.61M and leaving 40,732 shares worth $4.19M. The position accounts for 0.01% of the portfolio, ranked #400.

Rafferty Asset Management first reported a position in TWST in Q2 2019 and has held it in 28 quarters since. The position peaked at $8.46M in Q2 2023. 338 funds tracked by Wall St. Rank hold TWST as of Q2 2026.

Rafferty Asset Management held 40,732 shares of Twist Bioscience worth $4.19M as of Q2 2026.
Rafferty Asset Management sold 55,523 Twist Bioscience shares in Q2 2026, an estimated $3.61M.
Twist Bioscience made up 0.01% of Rafferty Asset Management's portfolio in Q2 2026, its #400 holding.
Rafferty Asset Management first reported a position in Twist Bioscience in Q2 2019 and has held it in 28 quarters since.
Rafferty Asset Management's Twist Bioscience position peaked at $8.46M in Q2 2023.
338 funds tracked by Wall St. Rank held Twist Bioscience as of Q2 2026.

Based on Rafferty Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.