TNDM Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Carpenter Rick EVP & Chief Technology Officer 2026-08-15 897 $0
Carpenter Rick EVP & Chief Technology Officer 2026-08-15 457 $10,383
Carpenter Rick EVP & Chief Technology Officer 2026-08-15 1,610 $0
Carpenter Rick EVP & Chief Technology Officer 2026-08-15 820 $18,630
Hansen Shannon Marie EVP & Chief Legal Officer 2026-08-15 1,097 $0
Hansen Shannon Marie EVP & Chief Legal Officer 2026-08-15 559 $12,700
Hansen Shannon Marie EVP & Chief Legal Officer 2026-08-15 1,917 $0
Hansen Shannon Marie EVP & Chief Legal Officer 2026-08-15 976 $22,175
Morrison Susan EVP & Chief Admin. Officer 2026-08-15 1,097 $0
Morrison Susan EVP & Chief Admin. Officer 2026-08-15 314 $7,134

How Institutional Funds Moved on TNDM

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
Opti Capital Management, LP Opti Capital Management, LP opened a new position worth $26,365,625. 2026-06-30
First Light Asset Management, LLC First Light Asset Management, LLC increased this position by 103% ($25,203,087 -> $51,057,815). 2026-06-30
VOYA INVESTMENT MANAGEMENT LLC VOYA INVESTMENT MANAGEMENT LLC exited a position previously worth $119,898,071. 2026-06-30
Balyasny Asset Management L.P. Balyasny Asset Management L.P. opened a new position worth $23,863,713. 2026-06-30
ArrowMark Colorado Holdings LLC ArrowMark Colorado Holdings LLC reduced this position by 67% ($59,496,185 -> $19,610,753). 2026-06-30
GOLDMAN SACHS GROUP INC GOLDMAN SACHS GROUP INC opened a new position worth $9,872,677. 2026-06-30
TWO SIGMA INVESTMENTS, LP TWO SIGMA INVESTMENTS, LP reduced this position by 76% ($35,736,599 -> $8,426,392). 2026-06-30
Woodline Partners LP Woodline Partners LP opened a new position worth $19,729,255. 2026-06-30

Which Funds Hold TNDM

Largest reported positions as of 2026-06-30.

FundValueShares
Sessa Capital IM, L.P. $76,959,000 5,100,000
VANGUARD PORTFOLIO MANAGEMENT LLC $64,881,975 4,299,667
First Light Asset Management, LLC $51,057,815 3,383,553
VANGUARD CAPITAL MANAGEMENT LLC $46,726,728 3,096,536
BANK OF MONTREAL /CAN/ $40,044,249 42,039,000
JENNISON ASSOCIATES LLC $35,181,264 2,331,429
Paradice Investment Management LLC $30,542,371 2,024,014
JACOBS LEVY EQUITY MANAGEMENT, INC $30,277,014 2,006,429
Freestone Grove Partners LP $28,159,962 1,866,134
Driehaus Capital Management LLC $26,965,770 1,786,996

Data compiled from public SEC filings. This is informational reporting, not investment advice.

Fort Baker Capital Management LP: 13F Moves Tracked Quarterly

Chart summarizing Fort Baker Capital Management LP's 13F portfolio changes for the quarter ending 2026-06-30

This page tracks Fort Baker Capital Management LP’s institutional portfolio moves as disclosed in its SEC Form 13F filings, updated every quarter as new data becomes available. Rather than a one-off snapshot, it’s meant as a running record of how the fund’s equity holdings shift over time, quarter by quarter, so readers can follow the … Read more

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Chart summarizing VOYA INVESTMENT MANAGEMENT LLC 13F portfolio moves for the quarter ending 2026-03-31

This page tracks VOYA INVESTMENT MANAGEMENT LLC’s institutional portfolio moves as disclosed in its quarterly SEC Form 13F filings. Rather than a one-time snapshot, this profile is built to grow over time, with each new quarter’s filing added below so readers can follow how the fund’s stock holdings shift, expand, or shrink release by release. … Read more

Defilade Capital Management, L.P.: 13F Portfolio Moves Tracked Quarterly

Table summarizing Defilade Capital Management L.P.'s 13F portfolio changes for the quarter ending 2026-03-31, including new positions, increases, reductions, and exits.

This page tracks Defilade Capital Management, L.P.’s institutional portfolio moves as disclosed in its SEC Form 13F filings, updated every quarter as new filings become available. Because 13F filings report only quarter-end snapshots rather than exact trade dates, all activity below is described as occurring during the quarter ending 2026-03-31, and future updates will build … Read more