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Castleark Management’s Insulet PODD Stock Holding History

Castleark Management’s Portfolio PODD Stock Details PODD Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-80,957
Closed -$23M – 333
2025
Q4 		$23M Buy
80,957
+30,460
+60% +$9.52M 0.68% 30
2025
Q3 		$15.6M Buy
50,497
+2,827
+6% +$886K 0.44% 40
2025
Q2 		$15M Buy
+47,670
New +$13.8M 0.45% 34
2022
Q3 		– Sell
-915
Closed -$199K – 322
2022
Q2 		$199K Hold
915
– – 0.01% 267
2022
Q1 		$244K Hold
915
– – 0.01% 281
2021
Q4 		$243K Hold
915
– – 0.01% 299
2021
Q3 		$260K Hold
915
– – 0.01% 287
2021
Q2 		$251K Hold
915
– – 0.01% 296
2021
Q1 		$239K Sell
915
-2,335
-72% -$625K 0.01% 294
2020
Q4 		$831K Hold
3,250
– – 0.03% 255
2020
Q3 		$769K Hold
3,250
– – 0.03% 236
2020
Q2 		$631K Sell
3,250
-30,506
-90% -$5.83M 0.03% 244
2020
Q1 		$5.59M Sell
33,756
-27,980
-45% -$5.11M 0.33% 86
2019
Q4 		$10.6M Sell
61,736
-7,080
-10% -$1.18M 0.42% 64
2019
Q3 		$11.3M Buy
+68,816
New +$9.67M 0.46% 61
2018
Q3 		– Sell
-202,640
Closed -$17.4M – 402
2018
Q2 		$17.4M Sell
202,640
-7,516
-4% -$674K 0.53% 47
2018
Q1 		$18.2M Sell
210,156
-25,919
-11% -$2.01M 0.58% 40
2017
Q4 		$16.3M Buy
+236,075
New +$15.5M 0.49% 59
2016
Q4 		– Sell
-262,560
Closed -$10.7M – 412
2016
Q3 		$10.7M Buy
+262,560
New +$10.4M 0.33% 86
2014
Q4 		– Sell
-198,004
Closed -$9.39M – 383
2014
Q3 		$9.39M Buy
+198,004
New +$7.23M 0.27% 74
2014
Q2 		– Sell
-198,004
Closed -$9.39M – 332
2014
Q1 		$9.39M Buy
198,004
+79,179
+67% +$3.5M 0.27% 74
2013
Q4 		$4.41M Buy
+118,825
New +$4.39M 0.13% 155

Other funds holding PODD

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

Castleark Management's PODD Position: Q1 2026 in Review

Castleark Management sold out of Insulet (PODD) in Q1 2026, closing a stake of 80,957 shares — an estimated $23M sold.

Castleark Management first reported a position in PODD in Q4 2013 and held it in 22 quarters. The position peaked at $23M in Q4 2025. 784 funds tracked by Wall St. Rank hold PODD as of Q1 2026.

  • Castleark Management reported no remaining Insulet position as of Q1 2026 after selling out during the quarter.
  • Castleark Management sold 80,957 Insulet shares in Q1 2026, an estimated $23M.
  • Castleark Management first reported a position in Insulet in Q4 2013 and held it in 22 quarters.
  • Castleark Management's Insulet position peaked at $23M in Q4 2025.
  • 784 funds tracked by Wall St. Rank held Insulet as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.