Castleark Management’s Twilio TWLO Stock Holding History

Castleark Management’s Portfolio TWLO Stock Details TWLO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$19.1M	Buy	92,390 +65,630	+245%	+$11.6M	0.51%	37
2026 Q1	$3.37M	Buy	+26,760	New	+$3.29M	0.11%	176
2019 Q3	–	Sell	-1,620	Closed	-$221K	–	388
2019 Q2	$221K	Sell	1,620 -64,681	-98%	-$8.61M	0.01%	329
2019 Q1	$8.56M	Sell	66,301 -18,314	-22%	-$2.06M	0.32%	102
2018 Q4	$7.56M	Sell	84,615 -108,855	-56%	-$8.84M	0.32%	94
2018 Q3	$16.7M	Buy	193,470 +22,765	+13%	+$1.66M	0.48%	66
2018 Q2	$9.56M	Buy	+170,705	New	+$8.46M	0.29%	113

Other funds holding TWLO

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Alkeon Capital Management New York $74.1B AUM 71.18% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return

Castleark Management's TWLO Position: Q2 2026 in Review

Castleark Management increased its Twilio (TWLO) stake by 245% in Q2 2026, buying an estimated $11.6M and bringing the position to 92,390 shares worth $19.1M. The position accounts for 0.51% of the portfolio, ranked #37.

Castleark Management first reported a position in TWLO in Q2 2018 and has held it in 7 quarters since. 964 funds tracked by Wall St. Rank hold TWLO as of Q2 2026.

Castleark Management held 92,390 shares of Twilio worth $19.1M as of Q2 2026.
Castleark Management bought 65,630 Twilio shares in Q2 2026, an estimated $11.6M.
Twilio made up 0.51% of Castleark Management's portfolio in Q2 2026, its #37 holding.
Castleark Management first reported a position in Twilio in Q2 2018 and has held it in 7 quarters since.
964 funds tracked by Wall St. Rank held Twilio as of Q2 2026.

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