Fund · State Street(R) Blackstone Senior Loan ETF · measured from SEC filings
SRLN holdings
SRLN reports 743 holdings and behaves like 132.2 equally weighted ones, computed from its SEC Form N-PORT filing for 2026-06-30. The fact sheet publishes the first number; this page computes the second, and traces it across 28 quarters of filings.
Measured concentration
as of 2026-06-30Computed by this site from the fund's SEC Form N-PORT filing; what the measure does not tell you · every fund in one table · hold it with other funds? X-ray the mix. Pricing: 2.96% at a quoted market price (level 1), 17 issuer countries.
What stands out
as of 2026-06-30The largest line in SRLN's filing is not a stock but State Street Institutional US Government Money Market Fund, a short-term position at 2.18% of net assets. Ten companies are 17.33% of the fund; the other 733 share the rest. Among the 6 loan funds measured here, SRLN behaves like 132.2 holdings against a median of 105.4 — close to the median. Across 28 quarterly filings SRLN has become less concentrated: it behaved like 52 at 2019-09-30 and 132.2 at 2026-06-30. Between the 2026-03-31 and 2026-06-30 filings 225 positions were added and 170 dropped; 31.0% of the weight moved.
Each sentence is read from the fund's own SEC filing; the class median is computed across the comparable loan funds on this site. Nothing here is a view on the fund.
Every filing since 2019
28Between 2019-09-30 and 2026-06-30, SRLN went from behaving like 52 equally weighted positions to 132.2 — 154% more, while its top ten went from 24.15% to 17.33% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-06-30 | 743 | 132.2 | 17.33% | 2.12% |
| 2026-03-31 | 684 | 95.4 | 20.83% | 6.53% |
| 2025-12-31 | 629 | 130.8 | 17.98% | 2.16% |
| 2025-09-30 | 630 | 94.1 | 20.63% | 7% |
| 2025-06-30 | 671 | 137.9 | 17.28% | 3.9% |
| 2025-03-31 | 602 | 116.5 | 18.3% | 5.47% |
| 2024-12-31 | 576 | 68.6 | 21.72% | 9.6% |
| 2024-09-30 | 549 | 88 | 20.62% | 7.1% |
Earlier filings (20 more, back to 2019-09-30)
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2024-06-30 | 539 | 103.9 | 18.86% | 6.19% |
| 2024-03-31 | 504 | 88.9 | 19.71% | 7.17% |
| 2023-12-31 | 556 | 89.6 | 20.34% | 7% |
| 2023-09-30 | 492 | 127.5 | 16.45% | 2.39% |
| 2023-06-30 | 452 | 89.2 | 19.94% | 6.39% |
| 2023-03-31 | 433 | 98.9 | 19.18% | 5.12% |
| 2022-12-31 | 496 | 91.8 | 19.96% | 5.83% |
| 2022-09-30 | 535 | 123 | 16.51% | 2.58% |
| 2022-06-30 | 377 | 60.7 | 23.52% | 10.1% |
| 2022-03-31 | 431 | 49.5 | 22.79% | 12.49% |
| 2021-12-31 | 382 | 67.5 | 21.66% | 9.55% |
| 2021-09-30 | 316 | 45.4 | 25.68% | 12.7% |
| 2021-06-30 | 303 | 34.6 | 28.4% | 15.22% |
| 2021-03-31 | 345 | 42.9 | 25.61% | 13.61% |
| 2020-12-31 | 268 | 53 | 25.71% | 11.24% |
| 2020-09-30 | 223 | 64 | 23.65% | 9.43% |
| 2020-06-30 | 291 | 80.7 | 20.56% | 8.01% |
| 2020-03-31 | 321 | 31.6 | 28.24% | 16.37% |
| 2019-12-31 | 296 | 45.8 | 25.19% | 12.66% |
| 2019-09-30 | 286 | 52 | 24.15% | 11.58% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Largest positions, as filed
as of 2026-06-30The 15 largest of 743 positions in SRLN's Form N-PORT, weight as a share of net assets, securities-lending collateral excluded. Every position, every quarter: SRLN.csv.gz.
| # | Position | Weight | Cumulative |
|---|---|---|---|
| 1 | State Street Global Advisors | 2.96% | 3.0% |
| 2 | HOLOGIC INC | 2.12% | 5.1% |
| 3 | Gainwell Acquisition Corp | 2.10% | 7.2% |
| 4 | Barclays Bank PLC | 1.87% | 9.1% |
| 5 | DISCOVERY GLOBAL HOLDINGS INC | 1.70% | 10.8% |
| 6 | TransDigm Inc | 1.57% | 12.3% |
| 7 | NEPTUNE BIDCO US INC | 1.56% | 13.9% |
| 8 | Jane Street Group LLC | 1.45% | 15.3% |
| 9 | Finastra USA Inc | 1.42% | 16.8% |
| 10 | UKG Inc | 1.42% | 18.2% |
| 11 | DAYFORCE INC | 1.41% | 19.6% |
| 12 | Global Medical Response Inc | 1.39% | 21.0% |
| 13 | Great Outdoors Group LLC | 1.22% | 22.2% |
| 14 | Apex Group Treasury LLC | 1.21% | 23.4% |
| 15 | Michaels Companies, Inc. (The) | 1.18% | 24.6% |
By country of issuer
as of 2026-06-30Share of SRLN's own investments by the issuer country the filer reported (incorporation, not revenue). Each country links to every fund that holds it.
| Country | Share |
|---|---|
| United States | 91.62% |
| Cayman Islands° | 4.21% |
| Luxembourg° | 1.46% |
| Jersey° | 0.64% |
| Denmark | 0.36% |
| United Kingdom | 0.33% |
| Netherlands° | 0.30% |
| Canada | 0.30% |
Returns the fund reported
2019-07 – 2026-06Monthly total returns from Item B.5 of SRLN's own filings, 84 months on record. Not computed here and not from a price feed.
Cross-checked against a series computed separately from prices: median difference 0.15 percentage points over 84 months, which is roughly the distributions. Every month with the filing it came from: SRLN.json · all funds.
Since the previous filing
2026-03-31 → 2026-06-30674 positions became 729: 225 added (18.9% of the fund at the later date), 170 dropped (18.7% at the earlier date). Half the sum of all weight changes, a turnover proxy: 31.0%. Positions are matched on identifiers, so a security whose identifier changed shows as one drop and one add. Every filing of SRLN compared this way, as a feed: changes.xml · all funds: filings received.
| Largest increases | 2026-03-31 | 2026-06-30 | Largest decreases | 2026-03-31 | 2026-06-30 |
|---|---|---|---|---|---|
| MITCHELL INTERNATIONAL INC | 0.04% | 0.99% | State Street Global Advisors | 6.53% | 2.96% |
| Apex Group Treasury LLC | 0.31% | 1.21% | Peraton Corp | 0.97% | 0.19% |
| NEPTUNE BIDCO US INC | 0.84% | 1.56% | Global Medical Response Inc | 1.87% | 1.39% |
| Scientific Games Holdings LP | 0.07% | 0.73% | Rocket Software Inc | 1.15% | 0.72% |
| Whitewater Matterhorn Holdings LLC | 0.00% | 0.50% | Trident TPI Holdings Inc | 0.39% | 0.11% |
| American Airlines Inc | 0.12% | 0.52% | Ascend Learning LLC | 0.32% | 0.09% |
New: HOLOGIC INC (2.12%), Barclays Bank PLC (1.87%), DISCOVERY GLOBAL HOLDINGS INC (1.70%), ATHENAHEALTH GROUP INC (1.02%), SWORD PURCHASER LLC (0.75%), AI AQUA MERGER SUB INC (0.62%). Gone: State Street Bank & Trust Co. (2.00%), Central Parent Inc (1.02%), Athenahealth Group Inc (0.96%), AI AQUA MERGER SUB INC (0.83%), MITCHELL INTERNATIONAL INC (0.82%), Altice France SA (0.71%).
Asset categories and pricing
as of 2026-06-30| Asset category (as filed) | Share of investments |
|---|---|
| loan LON | 82.65% |
| debt DBT | 8.09% |
| CDO/CLO ABS-CBDO | 3.81% |
| short-term investment STIV | 2.96% |
| repurchase agreement RA | 1.87% |
| equity EC | 0.62% |
3.0% of SRLN is carried at a quoted market price (fair-value level 1); 0.6% at level 3, priced from the filer's own inputs. Categories and levels are the filer's, from Form N-PORT; what a low level-1 share does and does not mean is in the measure's page.
Neighbours by effective holdings, loan funds
5Every measured loan fund lined up by how many holdings it behaves like; these sit either side of SRLN (132.2). Same filings, same arithmetic. Position in this list says nothing about which fund is better.
| Fund | Reports | Behaves like | Top ten | As of |
|---|---|---|---|---|
| JHLN John Hancock Global Senior Loan ETF | 438 | 25.4 | 24.64% | 2026-06-30 |
| TFLR T. Rowe Price Floating Rate ETF | 360 | 55.6 | 21.95% | 2026-05-31 |
| FTSL First Trust Senior Loan Fund | 379 | 80.9 | 19.3% | 2026-07-31 |
| FLRT Pacer Aristotle Pacific Floating Rate High Income ETF | 319 | 129.8 | 13.58% | 2026-07-31 |
| HYBL State Street(R) Blackstone High Income ETF | 643 | 243.2 | 11.58% | 2026-06-30 |
Essays that examine SRLN
0Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.