Islander Capital Partners, L.P. 13F: Quarter-over-Quarter Portfolio Changes
Islander Capital Partners, L.P. reported a disclosed portfolio value of approximately $253.7 million in its latest SEC Form 13F-HR filing for Q1 2026, up 14.3% quarter on quarter. Over the quarter, the fund initiated 2 new positions, bought more shares in 9 holdings, trimmed 2 holdings, and exited 1 position.
Islander Capital Partners, L.P.'s top buy was a new stake in Doordash INC (DASH) , equal to 2.7% of the disclosed portfolio. Its top sell was Amazon.com (AMZN) . The fund sold 34.0% of its previously reported shares, reducing the position's portfolio weight by 2.4 percentage points.
New PositionsQ1 2026
Securities disclosed for the first time in Q1 2026 that were not present in the prior 13F-HR filing.
| Company | Ticker | Initial Portfolio Weight | History |
|---|---|---|---|
| DOORDASH INC | DASH | 2.7% | History → |
| LIBERTY MEDIA CORP DEL | FWONK | 2.0% | Holders → |
Top BuysQ1 2026
The fund's top buys among existing positions in Q1 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| TKO GROUP HOLDINGS INC | TKO | +2.2% | +172.1% | History → |
| KLAVIYO INC | KVYO | +0.3% | +97.2% | History → |
| ROBLOX CORP | RBLX | +1.2% | +84.8% | History → |
| AFFIRM HLDGS INC | AFRM | +-0.7% | +74.7% | History → |
| UBER TECHNOLOGIES INC | UBER | +0.4% | +60.9% | Holders → |
| SHOPIFY INC | SHOP | +0.2% | +59.0% | History → |
| MADISON SQUARE GARDEN ENTMT | MSGE | +0.5% | +47.2% | Holders → |
| SPOTIFY TECHNOLOGY S A | SPOT | +0.3% | +38.8% | History → |
| TRANSDIGM GROUP INC | TDG | +-1.0% | +13.6% | History → |
Top SellsQ1 2026
The fund's top sells among positions it retained in Q1 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| AMAZON.COM | AMZN | -2.4% | 34.0% | Holders → |
| NETFLIX INC. | NFLX | -3.6% | 24.2% | History → |
Full ExitsQ1 2026
Positions present in the prior 13F-HR filing that no longer appear in Q1 2026.
| Company | Ticker | Last-Reported Portfolio Weight |
|---|---|---|
| ZILLOW GROUP INC | Z | 2.0% |
Net Portfolio Value ChangeQ1 2026
- $0.2BPrior quarter
- $0.3BCurrent quarter
- +$0.0BNet delta
- +14.3%% change
Methodology & FAQ
How Islander Capital Partners, L.P. Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Islander Capital Partners, L.P.: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description — including how confidential treatment filings are handled — is documented in the Methodology.
What stocks did Islander Capital Partners, L.P. buy in Q1 2026?
In Q1 2026, Islander Capital Partners, L.P. initiated 2 new positions (DOORDASH INC (DASH), LIBERTY MEDIA CORP DEL (FWONK)); bought more shares of TKO GROUP HOLDINGS INC (TKO), KLAVIYO INC (KVYO), ROBLOX CORP (RBLX), AFFIRM HLDGS INC (AFRM), UBER TECHNOLOGIES INC (UBER) — the largest 5 of 9 adds.
What stocks did Islander Capital Partners, L.P. sell in Q1 2026?
In Q1 2026, Islander Capital Partners, L.P. fully sold 1 position (ZILLOW GROUP INC (Z)); reduced holdings in AMAZON.COM (AMZN), NETFLIX INC. (NFLX).
Which positions did Islander Capital Partners, L.P. initiate in Q1 2026?
Islander Capital Partners, L.P. established 2 new positions in Q1 2026: DOORDASH INC (DASH, 2.7%), LIBERTY MEDIA CORP DEL (FWONK, 2.0%).
Which existing positions saw the largest allocation increases for Islander Capital Partners, L.P. in Q1 2026?
Of 9 existing positions with share-count increases in Q1 2026, the largest were: TKO GROUP HOLDINGS INC (TKO, +2.2% weight, +172.1% shares), KLAVIYO INC (KVYO, +0.3% weight, +97.2% shares), ROBLOX CORP (RBLX, +1.2% weight, +84.8% shares), AFFIRM HLDGS INC (AFRM, +-0.7% weight, +74.7% shares), UBER TECHNOLOGIES INC (UBER, +0.4% weight, +60.9% shares), SHOPIFY INC (SHOP, +0.2% weight, +59.0% shares), MADISON SQUARE GARDEN ENTMT (MSGE, +0.5% weight, +47.2% shares), SPOTIFY TECHNOLOGY S A (SPOT, +0.3% weight, +38.8% shares), TRANSDIGM GROUP INC (TDG, +-1.0% weight, +13.6% shares).
Which positions did Islander Capital Partners, L.P. fully exit in Q1 2026?
Islander Capital Partners, L.P. fully exited 1 position in Q1 2026: ZILLOW GROUP INC (Z, last-reported weight 2.0%).
Which existing positions saw the largest allocation reductions for Islander Capital Partners, L.P. in Q1 2026?
Of 2 existing positions with share-count reductions in Q1 2026, the largest were: AMAZON.COM (AMZN, -2.4% weight, -34.0% shares), NETFLIX INC. (NFLX, -3.6% weight, -24.2% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.